From e55b424b86b32f8f5c9f18e22ac602b18650c0c4 Mon Sep 17 00:00:00 2001 From: Aryan Sharma Date: Sat, 29 Aug 2026 03:38:35 +0530 Subject: [PATCH 1/5] feat(stats/base/ndarray/snanmskmin): add C implementation Signed-off-by: Aryan Sharma --- .../stats/base/ndarray/snanmskmin/README.md | 128 ++++++++- .../ndarray/snanmskmin/benchmark/benchmark.js | 2 +- .../snanmskmin/benchmark/benchmark.native.js | 145 ++++++++++ .../ndarray/snanmskmin/benchmark/c/Makefile | 146 ++++++++++ .../snanmskmin/benchmark/c/benchmark.length.c | 183 ++++++++++++ .../stats/base/ndarray/snanmskmin/binding.gyp | 171 ++++++++++++ .../ndarray/snanmskmin/docs/types/index.d.ts | 2 +- .../ndarray/snanmskmin/docs/types/test.ts | 2 +- .../ndarray/snanmskmin/examples/c/Makefile | 146 ++++++++++ .../ndarray/snanmskmin/examples/c/example.c | 31 +++ .../base/ndarray/snanmskmin/examples/index.js | 2 +- .../base/ndarray/snanmskmin/include.gypi | 51 ++++ .../stdlib/stats/base/ndarray/snanmskmin.h | 40 +++ .../base/ndarray/snanmskmin/lib/index.js | 17 +- .../stats/base/ndarray/snanmskmin/lib/main.js | 2 +- .../base/ndarray/snanmskmin/lib/native.js | 62 +++++ .../base/ndarray/snanmskmin/manifest.json | 107 +++++++ .../base/ndarray/snanmskmin/package.json | 4 + .../base/ndarray/snanmskmin/src/Makefile | 70 +++++ .../stats/base/ndarray/snanmskmin/src/addon.c | 64 +++++ .../stats/base/ndarray/snanmskmin/src/main.c | 102 +++++++ .../base/ndarray/snanmskmin/test/test.js | 234 ++-------------- .../base/ndarray/snanmskmin/test/test.main.js | 253 +++++++++++++++++ .../ndarray/snanmskmin/test/test.native.js | 260 ++++++++++++++++++ 24 files changed, 2011 insertions(+), 213 deletions(-) create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/benchmark/benchmark.native.js create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/benchmark/c/Makefile create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/benchmark/c/benchmark.length.c create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/binding.gyp create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/examples/c/Makefile create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/examples/c/example.c create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/include.gypi create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/include/stdlib/stats/base/ndarray/snanmskmin.h create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/lib/native.js create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/manifest.json create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/src/Makefile create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/src/addon.c create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/src/main.c create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/test/test.main.js create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/test/test.native.js diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/README.md b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/README.md index 849c3c5adfd4..30a4b96493a0 100644 --- a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/README.md +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/README.md @@ -2,7 +2,7 @@ @license Apache-2.0 -Copyright (c) 2025 The Stdlib Authors. +Copyright (c) 2026 The Stdlib Authors. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. @@ -103,6 +103,132 @@ console.log( v ); + + +
+ +## C APIs + +
+ +
+ + + +
+ +### Usage + +```c +#include "stdlib/stats/base/ndarray/snanmskmin.h" +``` + +#### stdlib_stats_snanmskmin( arrays ) + +Compute the minimum value of a one-dimensional single-precision floating-point ndarray according to a mask, ignoring `NaN` values. + +```c +#include "stdlib/ndarray/ctor.h" +#include "stdlib/ndarray/dtypes.h" +#include "stdlib/ndarray/orders.h" +#include "stdlib/ndarray/index_modes.h" +#include + +// ... + +// Create ndarray and mask... +struct ndarray *x = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)data, ndims, shape, xstrides, offset, order, imode, nsubmodes, submodes ); +struct ndarray *mask = stdlib_ndarray_allocate( STDLIB_NDARRAY_UINT8, (uint8_t *)mdata, ndims, shape, mstrides, offset, order, imode, nsubmodes, submodes ); + +const struct ndarray *arrays[] = { x, mask }; + +float v = stdlib_stats_snanmskmin( arrays ); + +// ... + +// Free memory: +stdlib_ndarray_free( x ); +stdlib_ndarray_free( mask ); +``` + +The function accepts the following arguments: + +- **arrays**: `[2](const struct ndarray *)` array containing ndarrays (a one-dimensional input ndarray and a one-dimensional mask ndarray). + +```c +float stdlib_stats_snanmskmin( const struct ndarray *arrays[] ); +``` + +
+ + + +
+ +
+ + + +
+ +### Examples + +```c +#include "stdlib/stats/base/ndarray/snanmskmin.h" +#include "stdlib/ndarray/ctor.h" +#include "stdlib/ndarray/dtypes.h" +#include "stdlib/ndarray/orders.h" +#include "stdlib/ndarray/index_modes.h" +#include +#include + +int main( void ) { + float x[] = { 1.0f, -2.0f, 4.0f, 2.0f, 0.0f/0.0f }; + uint8_t mask[] = { 0, 0, 1, 0, 0 }; + + int64_t ndims = 1; + int64_t shape[] = { 5 }; + int64_t strides[] = { 4 }; + int64_t mstrides[] = { 1 }; + int64_t offset = 0; + enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR; + enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR; + int8_t submodes[] = { imode }; + int64_t nsubmodes = 1; + + struct ndarray *X = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)x, ndims, shape, strides, offset, order, imode, nsubmodes, submodes ); + if ( X == NULL ) { + printf( "Error allocating memory.\n" ); + return 1; + } + + struct ndarray *Mask = stdlib_ndarray_allocate( STDLIB_NDARRAY_UINT8, (uint8_t *)mask, ndims, shape, mstrides, offset, order, imode, nsubmodes, submodes ); + if ( Mask == NULL ) { + printf( "Error allocating memory.\n" ); + stdlib_ndarray_free( X ); + return 1; + } + + const struct ndarray *arrays[] = { X, Mask }; + + float v = stdlib_stats_snanmskmin( arrays ); + printf( "min: %f\n", v ); + + stdlib_ndarray_free( X ); + stdlib_ndarray_free( Mask ); + + return 0; +} +``` + +
+ + + +
+ + +
diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/benchmark/benchmark.js index bcefddedbca4..3bf722b714ba 100644 --- a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/benchmark/benchmark.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2025 The Stdlib Authors. +* Copyright (c) 2026 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/benchmark/benchmark.native.js new file mode 100644 index 000000000000..77909cc893d6 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/benchmark/benchmark.native.js @@ -0,0 +1,145 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var bench = require( '@stdlib/bench' ); +var uniform = require( '@stdlib/random/base/uniform' ); +var bernoulli = require( '@stdlib/random/base/bernoulli' ); +var fillBy = require( '@stdlib/ndarray/fill-by' ); +var zeros = require( '@stdlib/ndarray/zeros' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var pow = require( '@stdlib/math/base/special/pow' ); +var format = require( '@stdlib/string/format' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var isError = require( '@stdlib/assert/is-error' ); +var pkg = require( './../package.json' ).name; + +var snanmskmin = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': isError( snanmskmin ) +}; + + +// VARIABLES // + +var options = { + 'dtype': 'float32' +}; +var moptions = { + 'dtype': 'uint8' +}; + + +// FUNCTIONS // + +/** +* Returns a random number. +* +* @private +* @returns {number} random number +*/ +function rand() { + if ( bernoulli( 0.8 ) < 1 ) { + return NaN; + } + return uniform( -10.0, 10.0 ); +} + +/** +* Returns a random mask value. +* +* @private +* @returns {integer} random mask value +*/ +function mrand() { + return bernoulli( 0.2 ); +} + +/** +* Creates a benchmark function. +* +* @private +* @param {PositiveInteger} len - array length +* @returns {Function} benchmark function +*/ +function createBenchmark( len ) { + var mask; + var x; + + x = fillBy( zeros( [ len ], options ), rand ); + mask = fillBy( zeros( [ len ], moptions ), mrand ); + + return benchmark; + + /** + * Benchmark function. + * + * @private + * @param {Benchmark} b - benchmark instance + */ + function benchmark( b ) { + var v; + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + x.set( i%len, i ); + v = snanmskmin( [ x, mask ] ); + if ( isnanf( v ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnanf( v ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); + } +} + + +// MAIN // + +/** +* Main execution sequence. +* +* @private +*/ +function main() { + var len; + var min; + var max; + var f; + var i; + + min = 1; // 10^min + max = 6; // 10^max + + for ( i = min; i <= max; i++ ) { + len = pow( 10, i ); + f = createBenchmark( len ); + bench( format( '%s::native:len=%d', pkg, len ), opts, f ); + } +} + +main(); diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/benchmark/c/Makefile b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/benchmark/c/Makefile new file mode 100644 index 000000000000..0756dc7da20a --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/benchmark/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := benchmark.length.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled benchmarks. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/benchmark/c/benchmark.length.c b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/benchmark/c/benchmark.length.c new file mode 100644 index 000000000000..782a9902dbe3 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/benchmark/c/benchmark.length.c @@ -0,0 +1,183 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/base/ndarray/snanmskmin.h" +#include +#include +#include +#include +#include +#include + +#define NAME "snanmskmin" +#define ITERATIONS 1000000 +#define REPEATS 3 + +/** +* Prints the TAP version. +*/ +static void print_version( void ) { + printf( "TAP version 13\n" ); +} + +/** +* Prints the TAP summary. +* +* @param total total number of tests +* @param passing total number of passing tests +*/ +static void print_summary( int total, int passing ) { + printf( "#\n" ); + printf( "1..%d\n", total ); + printf( "# total %d\n", total ); + printf( "# pass %d\n", passing ); + printf( "#\n" ); + printf( "# ok\n" ); +} + +/** +* Prints benchmarks results. +* +* @param iterations number of iterations +* @param elapsed elapsed time in seconds +*/ +static void print_results( int iterations, double elapsed ) { + double rate = (double)iterations / elapsed; + printf( " ---\n" ); + printf( " iterations: %d\n", iterations ); + printf( " elapsed: %g\n", elapsed ); + printf( " rate: %g\n", rate ); + printf( " ...\n" ); +} + +/** +* Returns a clock time to resolve high precision timing. +* +* @return clock time +*/ +static double tic( void ) { + struct timeval now; + gettimeofday( &now, NULL ); + return (double)now.tv_sec + (double)now.tv_usec / 1.0e6; +} + +/** +* Generates a random number. +* +* @return random number +*/ +static float rand_float( void ) { + float r = (float)rand() / (float)RAND_MAX; + if ( r > 0.8f ) { + return 0.0f / 0.0f; + } + return ( r * 20.0f ) - 10.0f; +} + +/** +* Generates a random mask value. +* +* @return random mask value +*/ +static uint8_t rand_mask( void ) { + float r = (float)rand() / (float)RAND_MAX; + if ( r < 0.2f ) { + return 1; + } + return 0; +} + +/** +* Runs a benchmark. +* +* @param iterations number of iterations +* @param len array length +* @return elapsed time in seconds +*/ +static double benchmark( int iterations, int len ) { + double elapsed; + double t; + float *x; + uint8_t *mask; + int i; + float v; + + x = (float *)malloc( len * sizeof(float) ); + if ( x == NULL ) { + printf( "unable to allocate memory\n" ); + exit( 1 ); + } + mask = (uint8_t *)malloc( len * sizeof(uint8_t) ); + if ( mask == NULL ) { + printf( "unable to allocate memory\n" ); + exit( 1 ); + } + for ( i = 0; i < len; i++ ) { + x[ i ] = rand_float(); + mask[ i ] = rand_mask(); + } + + t = tic(); + for ( i = 0; i < iterations; i++ ) { + x[ i % len ] = (float)i; + v = stdlib_ndarray_snanmskmin( len, x, 1, 0, mask, 1, 0 ); + if ( v != v && v == v ) { // Should never happen unless compiler optimizes this out incorrectly, just to use v + printf( "unexpected result\n" ); + } + } + elapsed = tic() - t; + + if ( v != v && v == v ) { + printf( "unexpected result\n" ); + } + free( x ); + free( mask ); + + return elapsed; +} + +/** +* Main execution sequence. +*/ +int main( void ) { + double elapsed; + int count; + int iter; + int len; + int i; + int j; + + // Use the current time to seed the random number generator: + srand( time( NULL ) ); + + print_version(); + count = 0; + for ( i = 1; i <= 6; i++ ) { + len = pow( 10, i ); + iter = ITERATIONS / pow( 10, i - 1 ); + for ( j = 0; j < REPEATS; j++ ) { + count += 1; + printf( "# c::%s:len=%d\n", NAME, len ); + elapsed = benchmark( iter, len ); + print_results( iter, elapsed ); + printf( "ok %d benchmark finished\n", count ); + } + } + print_summary( count, count ); + return 0; +} diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/binding.gyp b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/binding.gyp new file mode 100644 index 000000000000..f5643768f909 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/binding.gyp @@ -0,0 +1,171 @@ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A `.gyp` file for building a Node.js native add-on. +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # List of files to include in this file: + 'includes': [ + './include.gypi', + ], + + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Target name should match the add-on export name: + 'addon_target_name%': 'addon', + + # Set variables based on the host OS: + 'conditions': [ + [ + 'OS=="win"', + { + # Define the object file suffix: + 'obj': 'obj', + }, + { + # Define the object file suffix: + 'obj': 'o', + } + ], # end condition (OS=="win") + ], # end conditions + }, # end variables + + # Define compile targets: + 'targets': [ + + # Target to generate an add-on: + { + # The target name should match the add-on export name: + 'target_name': '<(addon_target_name)', + + # Define dependencies: + 'dependencies': [], + + # Define directories which contain relevant include headers: + 'include_dirs': [ + # Local include directory: + '<@(include_dirs)', + ], + + # List of source files: + 'sources': [ + '<@(src_files)', + ], + + # Settings which should be applied when a target's object files are used as linker input: + 'link_settings': { + # Define libraries: + 'libraries': [ + '<@(libraries)', + ], + + # Define library directories: + 'library_dirs': [ + '<@(library_dirs)', + ], + }, + + # C/C++ compiler flags: + 'cflags': [ + # Enable commonly used warning options: + '-Wall', + + # Aggressive optimization: + '-O3', + ], + + # C specific compiler flags: + 'cflags_c': [ + # Specify the C standard to which a program is expected to conform: + '-std=c99', + ], + + # C++ specific compiler flags: + 'cflags_cpp': [ + # Specify the C++ standard to which a program is expected to conform: + '-std=c++11', + ], + + # Linker flags: + 'ldflags': [], + + # Apply conditions based on the host OS: + 'conditions': [ + [ + 'OS=="mac"', + { + # Linker flags: + 'ldflags': [ + '-undefined dynamic_lookup', + '-Wl,-no-pie', + '-Wl,-search_paths_first', + ], + }, + ], # end condition (OS=="mac") + [ + 'OS!="win"', + { + # C/C++ flags: + 'cflags': [ + # Generate platform-independent code: + '-fPIC', + ], + }, + ], # end condition (OS!="win") + ], # end conditions + }, # end target <(addon_target_name) + + # Target to copy a generated add-on to a standard location: + { + 'target_name': 'copy_addon', + + # Declare that the output of this target is not linked: + 'type': 'none', + + # Define dependencies: + 'dependencies': [ + # Require that the add-on be generated before building this target: + '<(addon_target_name)', + ], + + # Define a list of actions: + 'actions': [ + { + 'action_name': 'copy_addon', + 'message': 'Copying addon...', + + # Explicitly list the inputs in the command-line invocation below: + 'inputs': [], + + # Declare the expected outputs: + 'outputs': [ + '<(addon_output_dir)/<(addon_target_name).node', + ], + + # Define the command-line invocation: + 'action': [ + 'cp', + '<(PRODUCT_DIR)/<(addon_target_name).node', + '<(addon_output_dir)/<(addon_target_name).node', + ], + }, + ], # end actions + }, # end target copy_addon + ], # end targets +} + diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/docs/types/index.d.ts b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/docs/types/index.d.ts index 91e4b8e4a20d..157dba0853da 100644 --- a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/docs/types/index.d.ts +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/docs/types/index.d.ts @@ -1,7 +1,7 @@ /* * @license Apache-2.0 * -* Copyright (c) 2025 The Stdlib Authors. +* Copyright (c) 2026 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/docs/types/test.ts b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/docs/types/test.ts index 87d668bb1baa..5a79993a55df 100644 --- a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/docs/types/test.ts +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/docs/types/test.ts @@ -1,7 +1,7 @@ /* * @license Apache-2.0 * -* Copyright (c) 2025 The Stdlib Authors. +* Copyright (c) 2026 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/examples/c/Makefile b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/examples/c/Makefile new file mode 100644 index 000000000000..c8f8e9a1517b --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/examples/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := example.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled examples. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/examples/c/example.c b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/examples/c/example.c new file mode 100644 index 000000000000..a8e47b4aed92 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/examples/c/example.c @@ -0,0 +1,31 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/base/ndarray/snanmskmin.h" +#include +#include + +int main( void ) { + float x[] = { 1.0f, -2.0f, 4.0f, 2.0f, 0.0f/0.0f }; + uint8_t mask[] = { 0, 0, 1, 0, 0 }; + + float v = stdlib_ndarray_snanmskmin( 5, x, 1, 0, mask, 1, 0 ); + printf( "min: %f\n", v ); + + return 0; +} diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/examples/index.js b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/examples/index.js index 9ed37e99e562..6c5377fd0509 100644 --- a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/examples/index.js +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/examples/index.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2025 The Stdlib Authors. +* Copyright (c) 2026 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/include.gypi b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/include.gypi new file mode 100644 index 000000000000..55b7beb37ffe --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/include.gypi @@ -0,0 +1,51 @@ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A GYP include file for building a Node.js native add-on. +# +# Main documentation: +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Source directory: + 'src_dir': './src', + + # Include directories: + 'include_dirs': [ + '} arrays - array-like object containing ndarrays +* @returns {number} minimum value +* +* @example +* var Float32Vector = require( '@stdlib/ndarray/vector/float32' ); +* var Uint8Vector = require( '@stdlib/ndarray/vector/uint8' ); +* +* var x = new Float32Vector( [ 1.0, -2.0, 4.0, 2.0, NaN ] ); +* var mask = new Uint8Vector( [ 0, 0, 1, 0, 0 ] ); +* +* var v = snanmskmin( [ x, mask ] ); +* // returns -2.0 +*/ +function snanmskmin( arrays ) { + var mask = arrays[ 1 ]; + var x = arrays[ 0 ]; + return addon( getData( x ), serialize( x ), getData( mask ), serialize( mask ) ); // eslint-disable-line max-len +} + + +// EXPORTS // + +module.exports = snanmskmin; diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/manifest.json b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/manifest.json new file mode 100644 index 000000000000..5a2f4835de5e --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/manifest.json @@ -0,0 +1,107 @@ +{ + "options": { + "task": "build", + "wasm": false + }, + "fields": [ + { + "field": "src", + "resolve": true, + "relative": true + }, + { + "field": "include", + "resolve": true, + "relative": true + }, + { + "field": "libraries", + "resolve": false, + "relative": false + }, + { + "field": "libpath", + "resolve": true, + "relative": false + } + ], + "confs": [ + { + "task": "build", + "wasm": false, + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/math/base/assert/is-nanf", + "@stdlib/ndarray/ctor", + "@stdlib/ndarray/base/napi/addon-arguments", + "@stdlib/napi/export", + "@stdlib/napi/argv", + "@stdlib/napi/create-double" + ] + }, + { + "task": "benchmark", + "wasm": false, + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/math/base/assert/is-nanf", + "@stdlib/ndarray/ctor", + "@stdlib/ndarray/dtypes", + "@stdlib/ndarray/index-modes", + "@stdlib/ndarray/orders", + "@stdlib/ndarray/base/bytes-per-element" + ] + }, + { + "task": "examples", + "wasm": false, + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/math/base/assert/is-nanf", + "@stdlib/ndarray/ctor", + "@stdlib/ndarray/dtypes", + "@stdlib/ndarray/index-modes", + "@stdlib/ndarray/orders", + "@stdlib/ndarray/base/bytes-per-element" + ] + }, + { + "task": "", + "wasm": true, + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/math/base/assert/is-nanf", + "@stdlib/ndarray/ctor" + ] + } + ] +} + diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/package.json b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/package.json index faf1f641a0b1..d76815dfc2eb 100644 --- a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/package.json +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/package.json @@ -14,11 +14,15 @@ } ], "main": "./lib", + "browser": "./lib/main.js", + "gypfile": true, "directories": { "benchmark": "./benchmark", "doc": "./docs", "example": "./examples", + "include": "./include", "lib": "./lib", + "src": "./src", "test": "./test" }, "types": "./docs/types", diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/src/Makefile b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/src/Makefile new file mode 100644 index 000000000000..2caf905cedbe --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/src/Makefile @@ -0,0 +1,70 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + + +# RULES # + +#/ +# Removes generated files for building an add-on. +# +# @example +# make clean-addon +#/ +clean-addon: + $(QUIET) -rm -f *.o *.node + +.PHONY: clean-addon + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: clean-addon + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/src/addon.c b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/src/addon.c new file mode 100644 index 000000000000..fc6bf5737a5a --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/src/addon.c @@ -0,0 +1,64 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/base/ndarray/snanmskmin.h" +#include "stdlib/ndarray/ctor.h" +#include "stdlib/ndarray/base/napi/addon_arguments.h" +#include "stdlib/napi/export.h" +#include "stdlib/napi/create_double.h" +#include "stdlib/napi/argv.h" +#include +#include + +/** +* Receives JavaScript callback invocation data. +* +* @param env environment under which the function is invoked +* @param info callback data +* @return Node-API value +*/ +static napi_value addon( napi_env env, napi_callback_info info ) { + STDLIB_NAPI_ARGV( env, info, argv, argc, 4 ); + + // Process provided arguments: + struct ndarray *arrays[ 2 ]; + napi_value err; + napi_status status = stdlib_ndarray_napi_addon_arguments( env, argv, 4, 2, arrays, &err ); + assert( status == napi_ok ); + if ( err != NULL ) { + status = napi_throw( env, err ); + assert( status == napi_ok ); + return NULL; + } + // Create a const-qualified view of the argument pointer list: + const struct ndarray *arr[ 2 ] = { arrays[ 0 ], arrays[ 1 ] }; + + // Perform computation: + STDLIB_NAPI_CREATE_DOUBLE( env, stdlib_stats_snanmskmin( arr ), v ); + + // Free allocated memory: + stdlib_ndarray_free( arrays[ 0 ] ); + stdlib_ndarray_free( arrays[ 1 ] ); + arrays[ 0 ] = NULL; + arrays[ 1 ] = NULL; + + return v; +} + +STDLIB_NAPI_MODULE_EXPORT_FCN( addon ) + diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/src/main.c b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/src/main.c new file mode 100644 index 000000000000..60aa0626e085 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/src/main.c @@ -0,0 +1,102 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/base/ndarray/snanmskmin.h" +#include "stdlib/ndarray/ctor.h" +#include "stdlib/math/base/assert/is_nanf.h" +#include + +/** +* Computes the minimum value of a single-precision floating-point strided array according to a mask, ignoring `NaN` values. +* +* @param N number of indexed elements +* @param x input array +* @param strideX x stride length +* @param offsetX starting index for x +* @param mask mask array +* @param strideMask mask stride length +* @param offsetMask starting index for mask +* @return minimum value +*/ +static float stdlib_strided_snanmskmin_ndarray( const int64_t N, const float *x, const int64_t strideX, const int64_t offsetX, const uint8_t *mask, const int64_t strideMask, const int64_t offsetMask ) { + int64_t ix; + int64_t im; + int64_t i; + float min; + float v; + + if ( N <= 0 ) { + return 0.0f / 0.0f; // NaN + } + + ix = offsetX; + im = offsetMask; + + for ( i = 0; i < N; i++ ) { + if ( mask[ im ] == 0 ) { + v = x[ ix ]; + if ( !stdlib_base_is_nanf( v ) ) { + min = v; + break; + } + } + ix += strideX; + im += strideMask; + } + if ( i == N ) { + return 0.0f / 0.0f; // NaN + } + + i += 1; + ix += strideX; + im += strideMask; + for ( ; i < N; i++ ) { + if ( mask[ im ] == 0 ) { + v = x[ ix ]; + if ( !stdlib_base_is_nanf( v ) ) { + if ( v < min ) { + min = v; + } + } + } + ix += strideX; + im += strideMask; + } + return min; +} + +/** +* Compute the minimum value of a one-dimensional single-precision floating-point ndarray according to a mask, ignoring `NaN` values. +* +* ## Notes +* +* - The function expects the following ndarrays: +* +* - a one-dimensional input ndarray. +* - a one-dimensional mask ndarray. +* +* @param arrays list containing ndarrays +* @return minimum value +*/ +float stdlib_stats_snanmskmin( const struct ndarray *arrays[] ) { + const struct ndarray *x = arrays[ 0 ]; + + const struct ndarray *mask = arrays[ 1 ]; + + return stdlib_strided_snanmskmin_ndarray( stdlib_ndarray_dimension( x, 0 ), (const float *)stdlib_ndarray_data( x ), stdlib_ndarray_stride_elements( x, 0 ), stdlib_ndarray_offset_elements( x ), (const uint8_t *)stdlib_ndarray_data( mask ), stdlib_ndarray_stride_elements( mask, 0 ), stdlib_ndarray_offset_elements( mask ) ); +} diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/test/test.js b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/test/test.js index bd0e89d4f939..937831238b9e 100644 --- a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/test/test.js +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/test/test.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2025 The Stdlib Authors. +* Copyright (c) 2026 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -21,30 +21,16 @@ // MODULES // var tape = require( 'tape' ); -var Float32Array = require( '@stdlib/array/float32' ); -var Uint8Array = require( '@stdlib/array/uint8' ); -var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); -var isNegativeZerof = require( '@stdlib/math/base/assert/is-negative-zerof' ); -var ndarray = require( '@stdlib/ndarray/base/ctor' ); +var proxyquire = require( 'proxyquire' ); +var IS_BROWSER = require( '@stdlib/assert/is-browser' ); var snanmskmin = require( './../lib' ); -// FUNCTIONS // +// VARIABLES // -/** -* Returns a one-dimensional ndarray. -* -* @private -* @param {string} dtype - data type -* @param {Collection} buffer - underlying data buffer -* @param {NonNegativeInteger} length - number of indexed elements -* @param {integer} stride - stride length -* @param {NonNegativeInteger} offset - index offset -* @returns {ndarray} one-dimensional ndarray -*/ -function vector( dtype, buffer, length, stride, offset ) { - return new ndarray( dtype, buffer, [ length ], [ stride ], offset, 'row-major' ); -} +var opts = { + 'skip': IS_BROWSER +}; // TESTS // @@ -55,199 +41,37 @@ tape( 'main export is a function', function test( t ) { t.end(); }); -tape( 'the function has an arity of 1', function test( t ) { - t.strictEqual( snanmskmin.length, 1, 'has expected arity' ); - t.end(); -}); - -tape( 'the function calculates the minimum value of a one-dimensional single-precision floating-point ndarray according to a mask, ignoring NaN values', function test( t ) { - var mask; - var x; - var v; - - x = new Float32Array( [ 1.0, -2.0, -4.0, NaN, 5.0, 0.0, 3.0 ] ); - mask = new Uint8Array( [ 0, 0, 0, 1, 0, 0, 0 ] ); - v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); - t.strictEqual( v, -4.0, 'returns expected value' ); - - x = new Float32Array( [ -4.0, NaN, -5.0 ] ); - mask = new Uint8Array( [ 0, 1, 0 ] ); - v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); - t.strictEqual( v, -5.0, 'returns expected value' ); - - x = new Float32Array( [ -0.0, 0.0, NaN, -0.0 ] ); - mask = new Uint8Array( [ 0, 0, 1, 0 ] ); - v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); - t.strictEqual( isNegativeZerof( v ), true, 'returns expected value' ); - - x = new Float32Array( [ -4.0, 0.0, NaN, 5.0 ] ); - mask = new Uint8Array( [ 0, 0, 0, 0 ] ); - v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); - t.strictEqual( v, -4.0, 'returns expected value' ); - - x = new Float32Array( [ NaN ] ); - mask = new Uint8Array( [ 0 ] ); - v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); - t.strictEqual( isnanf( v ), true, 'returns expected value' ); - - x = new Float32Array( [ NaN ] ); - mask = new Uint8Array( [ 1 ] ); - v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); - t.strictEqual( isnanf( v ), true, 'returns expected value' ); - - x = new Float32Array( [ NaN, NaN ] ); - mask = new Uint8Array( [ 1, 1 ] ); - v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); - t.strictEqual( isnanf( v ), true, 'returns expected value' ); - - x = new Float32Array( [ NaN, NaN ] ); - mask = new Uint8Array( [ 1, 0 ] ); - v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); - t.strictEqual( isnanf( v ), true, 'returns expected value' ); - - x = new Float32Array( [ NaN, NaN ] ); - mask = new Uint8Array( [ 0, 1 ] ); - v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); - t.strictEqual( isnanf( v ), true, 'returns expected value' ); - - x = new Float32Array( [ NaN, NaN ] ); - mask = new Uint8Array( [ 0, 0 ] ); - v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); - t.strictEqual( isnanf( v ), true, 'returns expected value' ); +tape( 'if a native implementation is available, the main export is the native implementation', opts, function test( t ) { + var snanmskmin = proxyquire( './../lib', { + '@stdlib/utils/try-require': tryRequire + }); + t.strictEqual( snanmskmin, mock, 'returns expected value' ); t.end(); -}); - -tape( 'if provided an empty ndarray, the function returns `NaN`', function test( t ) { - var mask; - var x; - var v; - x = new Float32Array( [] ); - mask = new Uint8Array( [] ); + function tryRequire() { + return mock; + } - v = snanmskmin( [ vector( 'float32', x, 0, 1, 0 ), vector( 'uint8', mask, 0, 1, 0 ) ] ); - t.strictEqual( isnanf( v ), true, 'returns expected value' ); - - t.end(); + function mock() { + // Mock... + } }); -tape( 'if provided an ndarray containing a single element, the function returns the first element', function test( t ) { - var mask; - var x; - var v; +tape( 'if a native implementation is not available, the main export is a JavaScript implementation', opts, function test( t ) { + var snanmskmin; + var main; - x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 3.0 ] ); - mask = new Uint8Array( [ 0, 0, 0, 0, 0 ] ); + main = require( './../lib/main.js' ); - v = snanmskmin( [ vector( 'float32', x, 1, 1, 0 ), vector( 'uint8', mask, 1, 1, 0 ) ] ); - t.strictEqual( v, 1.0, 'returns expected value' ); + snanmskmin = proxyquire( './../lib', { + '@stdlib/utils/try-require': tryRequire + }); + t.strictEqual( snanmskmin, main, 'returns expected value' ); t.end(); -}); -tape( 'the function supports one-dimensional ndarrays having non-unit strides', function test( t ) { - var mask; - var x; - var v; - - x = new Float32Array([ - 1.0, // 0 - 2.0, - 2.0, // 1 - -7.0, - -2.0, // 2 - 3.0, - 4.0, // 3 - 2.0, - 5.0, // 4 - 6.0 - ]); - mask = new Uint8Array([ - 0, // 0 - 0, - 0, // 1 - 0, - 0, // 2 - 0, - 0, // 3 - 0, - 1, // 4 - 1 - ]); - - v = snanmskmin( [ vector( 'float32', x, 5, 2, 0 ), vector( 'uint8', mask, 5, 2, 0 ) ] ); - t.strictEqual( v, -2.0, 'returns expected value' ); - t.end(); -}); - -tape( 'the function supports one-dimensional ndarrays having negative strides', function test( t ) { - var mask; - var x; - var v; - - x = new Float32Array([ - 5.0, // 4 - 6.0, - 1.0, // 3 - 2.0, - 2.0, // 2 - -7.0, - -2.0, // 1 - 3.0, - 4.0, // 0 - 2.0 - ]); - mask = new Uint8Array([ - 1, // 4 - 1, - 0, // 3 - 0, - 0, // 2 - 0, - 0, // 1 - 0, - 0, // 0 - 0 - ]); - - v = snanmskmin( [ vector( 'float32', x, 5, -2, 8 ), vector( 'uint8', mask, 5, -2, 8 ) ] ); - t.strictEqual( v, -2.0, 'returns expected value' ); - t.end(); -}); - -tape( 'the function supports one-dimensional ndarrays having non-zero offsets', function test( t ) { - var mask; - var x; - var v; - - x = new Float32Array([ - 2.0, - 1.0, // 0 - 2.0, - -2.0, // 1 - -2.0, - 2.0, // 2 - 3.0, - 4.0, // 3 - 5.0, - 6.0 // 4 - ]); - mask = new Uint8Array([ - 0, - 0, // 0 - 0, - 0, // 1 - 0, - 0, // 2 - 0, - 0, // 3 - 1, - 1 // 4 - ]); - - v = snanmskmin( [ vector( 'float32', x, 5, 2, 1 ), vector( 'uint8', mask, 5, 2, 1 ) ] ); - t.strictEqual( v, -2.0, 'returns expected value' ); - - t.end(); + function tryRequire() { + return new Error( 'Cannot find module' ); + } }); diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/test/test.main.js b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/test/test.main.js new file mode 100644 index 000000000000..872a43a1d8c9 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/test/test.main.js @@ -0,0 +1,253 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var tape = require( 'tape' ); +var Float32Array = require( '@stdlib/array/float32' ); +var Uint8Array = require( '@stdlib/array/uint8' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var isNegativeZerof = require( '@stdlib/math/base/assert/is-negative-zerof' ); +var ndarray = require( '@stdlib/ndarray/base/ctor' ); +var snanmskmin = require( './../lib/main.js' ); + + +// FUNCTIONS // + +/** +* Returns a one-dimensional ndarray. +* +* @private +* @param {string} dtype - data type +* @param {Collection} buffer - underlying data buffer +* @param {NonNegativeInteger} length - number of indexed elements +* @param {integer} stride - stride length +* @param {NonNegativeInteger} offset - index offset +* @returns {ndarray} one-dimensional ndarray +*/ +function vector( dtype, buffer, length, stride, offset ) { + return new ndarray( dtype, buffer, [ length ], [ stride ], offset, 'row-major' ); +} + + +// TESTS // + +tape( 'main export', function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof snanmskmin, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function has an arity of 1', function test( t ) { + t.strictEqual( snanmskmin.length, 1, 'has expected arity' ); + t.end(); +}); + +tape( 'the function calculates the minimum value of a one-dimensional single-precision floating-point ndarray according to a mask, ignoring NaN values', function test( t ) { + var mask; + var x; + var v; + + x = new Float32Array( [ 1.0, -2.0, -4.0, NaN, 5.0, 0.0, 3.0 ] ); + mask = new Uint8Array( [ 0, 0, 0, 1, 0, 0, 0 ] ); + v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); + t.strictEqual( v, -4.0, 'returns expected value' ); + + x = new Float32Array( [ -4.0, NaN, -5.0 ] ); + mask = new Uint8Array( [ 0, 1, 0 ] ); + v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); + t.strictEqual( v, -5.0, 'returns expected value' ); + + x = new Float32Array( [ -0.0, 0.0, NaN, -0.0 ] ); + mask = new Uint8Array( [ 0, 0, 1, 0 ] ); + v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); + t.strictEqual( isNegativeZerof( v ), true, 'returns expected value' ); + + x = new Float32Array( [ -4.0, 0.0, NaN, 5.0 ] ); + mask = new Uint8Array( [ 0, 0, 0, 0 ] ); + v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); + t.strictEqual( v, -4.0, 'returns expected value' ); + + x = new Float32Array( [ NaN ] ); + mask = new Uint8Array( [ 0 ] ); + v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + x = new Float32Array( [ NaN ] ); + mask = new Uint8Array( [ 1 ] ); + v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + x = new Float32Array( [ NaN, NaN ] ); + mask = new Uint8Array( [ 1, 1 ] ); + v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + x = new Float32Array( [ NaN, NaN ] ); + mask = new Uint8Array( [ 1, 0 ] ); + v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + x = new Float32Array( [ NaN, NaN ] ); + mask = new Uint8Array( [ 0, 1 ] ); + v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + x = new Float32Array( [ NaN, NaN ] ); + mask = new Uint8Array( [ 0, 0 ] ); + v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided an empty ndarray, the function returns `NaN`', function test( t ) { + var mask; + var x; + var v; + + x = new Float32Array( [] ); + mask = new Uint8Array( [] ); + + v = snanmskmin( [ vector( 'float32', x, 0, 1, 0 ), vector( 'uint8', mask, 0, 1, 0 ) ] ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided an ndarray containing a single element, the function returns the first element', function test( t ) { + var mask; + var x; + var v; + + x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 3.0 ] ); + mask = new Uint8Array( [ 0, 0, 0, 0, 0 ] ); + + v = snanmskmin( [ vector( 'float32', x, 1, 1, 0 ), vector( 'uint8', mask, 1, 1, 0 ) ] ); + t.strictEqual( v, 1.0, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports one-dimensional ndarrays having non-unit strides', function test( t ) { + var mask; + var x; + var v; + + x = new Float32Array([ + 1.0, // 0 + 2.0, + 2.0, // 1 + -7.0, + -2.0, // 2 + 3.0, + 4.0, // 3 + 2.0, + 5.0, // 4 + 6.0 + ]); + mask = new Uint8Array([ + 0, // 0 + 0, + 0, // 1 + 0, + 0, // 2 + 0, + 0, // 3 + 0, + 1, // 4 + 1 + ]); + + v = snanmskmin( [ vector( 'float32', x, 5, 2, 0 ), vector( 'uint8', mask, 5, 2, 0 ) ] ); + t.strictEqual( v, -2.0, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports one-dimensional ndarrays having negative strides', function test( t ) { + var mask; + var x; + var v; + + x = new Float32Array([ + 5.0, // 4 + 6.0, + 1.0, // 3 + 2.0, + 2.0, // 2 + -7.0, + -2.0, // 1 + 3.0, + 4.0, // 0 + 2.0 + ]); + mask = new Uint8Array([ + 1, // 4 + 1, + 0, // 3 + 0, + 0, // 2 + 0, + 0, // 1 + 0, + 0, // 0 + 0 + ]); + + v = snanmskmin( [ vector( 'float32', x, 5, -2, 8 ), vector( 'uint8', mask, 5, -2, 8 ) ] ); + t.strictEqual( v, -2.0, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports one-dimensional ndarrays having non-zero offsets', function test( t ) { + var mask; + var x; + var v; + + x = new Float32Array([ + 2.0, + 1.0, // 0 + 2.0, + -2.0, // 1 + -2.0, + 2.0, // 2 + 3.0, + 4.0, // 3 + 5.0, + 6.0 // 4 + ]); + mask = new Uint8Array([ + 0, + 0, // 0 + 0, + 0, // 1 + 0, + 0, // 2 + 0, + 0, // 3 + 1, + 1 // 4 + ]); + + v = snanmskmin( [ vector( 'float32', x, 5, 2, 1 ), vector( 'uint8', mask, 5, 2, 1 ) ] ); + t.strictEqual( v, -2.0, 'returns expected value' ); + + t.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/test/test.native.js b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/test/test.native.js new file mode 100644 index 000000000000..816d16e504a1 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/test/test.native.js @@ -0,0 +1,260 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var tape = require( 'tape' ); +var Float32Array = require( '@stdlib/array/float32' ); +var Uint8Array = require( '@stdlib/array/uint8' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var isNegativeZerof = require( '@stdlib/math/base/assert/is-negative-zerof' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var isError = require( '@stdlib/assert/is-error' ); +var ndarray = require( '@stdlib/ndarray/base/ctor' ); + +var snanmskmin = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': isError( snanmskmin ) +}; + + +// FUNCTIONS // + +/** +* Returns a one-dimensional ndarray. +* +* @private +* @param {string} dtype - data type +* @param {Collection} buffer - underlying data buffer +* @param {NonNegativeInteger} length - number of indexed elements +* @param {integer} stride - stride length +* @param {NonNegativeInteger} offset - index offset +* @returns {ndarray} one-dimensional ndarray +*/ +function vector( dtype, buffer, length, stride, offset ) { + return new ndarray( dtype, buffer, [ length ], [ stride ], offset, 'row-major' ); +} + + +// TESTS // + +tape( 'main export', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof snanmskmin, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function has an arity of 1', opts, function test( t ) { + t.strictEqual( snanmskmin.length, 1, 'has expected arity' ); + t.end(); +}); + +tape( 'the function calculates the minimum value of a one-dimensional single-precision floating-point ndarray according to a mask, ignoring NaN values', opts, function test( t ) { + var mask; + var x; + var v; + + x = new Float32Array( [ 1.0, -2.0, -4.0, NaN, 5.0, 0.0, 3.0 ] ); + mask = new Uint8Array( [ 0, 0, 0, 1, 0, 0, 0 ] ); + v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); + t.strictEqual( v, -4.0, 'returns expected value' ); + + x = new Float32Array( [ -4.0, NaN, -5.0 ] ); + mask = new Uint8Array( [ 0, 1, 0 ] ); + v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); + t.strictEqual( v, -5.0, 'returns expected value' ); + + x = new Float32Array( [ -0.0, 0.0, NaN, -0.0 ] ); + mask = new Uint8Array( [ 0, 0, 1, 0 ] ); + v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); + t.strictEqual( isNegativeZerof( v ), true, 'returns expected value' ); + + x = new Float32Array( [ -4.0, 0.0, NaN, 5.0 ] ); + mask = new Uint8Array( [ 0, 0, 0, 0 ] ); + v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); + t.strictEqual( v, -4.0, 'returns expected value' ); + + x = new Float32Array( [ NaN ] ); + mask = new Uint8Array( [ 0 ] ); + v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + x = new Float32Array( [ NaN ] ); + mask = new Uint8Array( [ 1 ] ); + v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + x = new Float32Array( [ NaN, NaN ] ); + mask = new Uint8Array( [ 1, 1 ] ); + v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + x = new Float32Array( [ NaN, NaN ] ); + mask = new Uint8Array( [ 1, 0 ] ); + v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + x = new Float32Array( [ NaN, NaN ] ); + mask = new Uint8Array( [ 0, 1 ] ); + v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + x = new Float32Array( [ NaN, NaN ] ); + mask = new Uint8Array( [ 0, 0 ] ); + v = snanmskmin( [ vector( 'float32', x, x.length, 1, 0 ), vector( 'uint8', mask, mask.length, 1, 0 ) ] ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided an empty ndarray, the function returns `NaN`', opts, function test( t ) { + var mask; + var x; + var v; + + x = new Float32Array( [] ); + mask = new Uint8Array( [] ); + + v = snanmskmin( [ vector( 'float32', x, 0, 1, 0 ), vector( 'uint8', mask, 0, 1, 0 ) ] ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided an ndarray containing a single element, the function returns the first element', opts, function test( t ) { + var mask; + var x; + var v; + + x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 3.0 ] ); + mask = new Uint8Array( [ 0, 0, 0, 0, 0 ] ); + + v = snanmskmin( [ vector( 'float32', x, 1, 1, 0 ), vector( 'uint8', mask, 1, 1, 0 ) ] ); + t.strictEqual( v, 1.0, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports one-dimensional ndarrays having non-unit strides', opts, function test( t ) { + var mask; + var x; + var v; + + x = new Float32Array([ + 1.0, // 0 + 2.0, + 2.0, // 1 + -7.0, + -2.0, // 2 + 3.0, + 4.0, // 3 + 2.0, + 5.0, // 4 + 6.0 + ]); + mask = new Uint8Array([ + 0, // 0 + 0, + 0, // 1 + 0, + 0, // 2 + 0, + 0, // 3 + 0, + 1, // 4 + 1 + ]); + + v = snanmskmin( [ vector( 'float32', x, 5, 2, 0 ), vector( 'uint8', mask, 5, 2, 0 ) ] ); + t.strictEqual( v, -2.0, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports one-dimensional ndarrays having negative strides', opts, function test( t ) { + var mask; + var x; + var v; + + x = new Float32Array([ + 5.0, // 4 + 6.0, + 1.0, // 3 + 2.0, + 2.0, // 2 + -7.0, + -2.0, // 1 + 3.0, + 4.0, // 0 + 2.0 + ]); + mask = new Uint8Array([ + 1, // 4 + 1, + 0, // 3 + 0, + 0, // 2 + 0, + 0, // 1 + 0, + 0, // 0 + 0 + ]); + + v = snanmskmin( [ vector( 'float32', x, 5, -2, 8 ), vector( 'uint8', mask, 5, -2, 8 ) ] ); + t.strictEqual( v, -2.0, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports one-dimensional ndarrays having non-zero offsets', opts, function test( t ) { + var mask; + var x; + var v; + + x = new Float32Array([ + 2.0, + 1.0, // 0 + 2.0, + -2.0, // 1 + -2.0, + 2.0, // 2 + 3.0, + 4.0, // 3 + 5.0, + 6.0 // 4 + ]); + mask = new Uint8Array([ + 0, + 0, // 0 + 0, + 0, // 1 + 0, + 0, // 2 + 0, + 0, // 3 + 1, + 1 // 4 + ]); + + v = snanmskmin( [ vector( 'float32', x, 5, 2, 1 ), vector( 'uint8', mask, 5, 2, 1 ) ] ); + t.strictEqual( v, -2.0, 'returns expected value' ); + + t.end(); +}); From 3abe4f37d8028f942d0259d825398003907192a1 Mon Sep 17 00:00:00 2001 From: Aryan Sharma Date: Sat, 29 Aug 2026 03:45:26 +0530 Subject: [PATCH 2/5] fix(stats/base/ndarray/snanmskmin): fix C examples and benchmarks Signed-off-by: Aryan Sharma --- .../stats/base/ndarray/snanmskmin/README.md | 1 + .../snanmskmin/benchmark/c/benchmark.length.c | 103 ++++++++---------- .../ndarray/snanmskmin/examples/c/example.c | 42 ++++++- 3 files changed, 83 insertions(+), 63 deletions(-) diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/README.md b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/README.md index 30a4b96493a0..99cf466cf83a 100644 --- a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/README.md +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/README.md @@ -244,3 +244,4 @@ int main( void ) {
+ diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/benchmark/c/benchmark.length.c b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/benchmark/c/benchmark.length.c index 782a9902dbe3..cdb6ee1fabfa 100644 --- a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/benchmark/c/benchmark.length.c +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/benchmark/c/benchmark.length.c @@ -17,16 +17,15 @@ */ #include "stdlib/stats/base/ndarray/snanmskmin.h" +#include "stdlib/ndarray/ctor.h" +#include "stdlib/ndarray/dtypes.h" +#include "stdlib/ndarray/orders.h" +#include "stdlib/ndarray/index_modes.h" #include #include +#include #include -#include #include -#include - -#define NAME "snanmskmin" -#define ITERATIONS 1000000 -#define REPEATS 3 /** * Prints the TAP version. @@ -66,7 +65,7 @@ static void print_results( int iterations, double elapsed ) { } /** -* Returns a clock time to resolve high precision timing. +* Returns a clock time. * * @return clock time */ @@ -77,29 +76,12 @@ static double tic( void ) { } /** -* Generates a random number. +* Generates a random number on the interval [0,1). * * @return random number */ static float rand_float( void ) { - float r = (float)rand() / (float)RAND_MAX; - if ( r > 0.8f ) { - return 0.0f / 0.0f; - } - return ( r * 20.0f ) - 10.0f; -} - -/** -* Generates a random mask value. -* -* @return random mask value -*/ -static uint8_t rand_mask( void ) { - float r = (float)rand() / (float)RAND_MAX; - if ( r < 0.2f ) { - return 1; - } - return 0; + return (float)rand() / ( (float)RAND_MAX + 1.0f ); } /** @@ -110,43 +92,49 @@ static uint8_t rand_mask( void ) { * @return elapsed time in seconds */ static double benchmark( int iterations, int len ) { - double elapsed; - double t; float *x; uint8_t *mask; int i; - float v; + double t; + double elapsed; - x = (float *)malloc( len * sizeof(float) ); - if ( x == NULL ) { - printf( "unable to allocate memory\n" ); - exit( 1 ); - } - mask = (uint8_t *)malloc( len * sizeof(uint8_t) ); - if ( mask == NULL ) { + x = (float *)malloc( len * sizeof( float ) ); + mask = (uint8_t *)malloc( len * sizeof( uint8_t ) ); + if ( x == NULL || mask == NULL ) { printf( "unable to allocate memory\n" ); exit( 1 ); } for ( i = 0; i < len; i++ ) { - x[ i ] = rand_float(); - mask[ i ] = rand_mask(); + x[ i ] = ( rand_float() * 20.0f ) - 10.0f; + mask[ i ] = ( rand_float() < 0.2f ) ? 1 : 0; } + int64_t shape[] = { len }; + int64_t strides[] = { 1 }; + int64_t mstrides[] = { 1 }; + + // cppcheck-suppress invalidPointerCast + struct ndarray *X = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)x, 1, shape, strides, 0, STDLIB_NDARRAY_ROW_MAJOR, STDLIB_NDARRAY_INDEX_ERROR, 1, (int8_t[]){ STDLIB_NDARRAY_INDEX_ERROR } ); + // cppcheck-suppress invalidPointerCast + struct ndarray *Mask = stdlib_ndarray_allocate( STDLIB_NDARRAY_UINT8, (uint8_t *)mask, 1, shape, mstrides, 0, STDLIB_NDARRAY_ROW_MAJOR, STDLIB_NDARRAY_INDEX_ERROR, 1, (int8_t[]){ STDLIB_NDARRAY_INDEX_ERROR } ); + + const struct ndarray *arrays[] = { X, Mask }; + + float v; t = tic(); for ( i = 0; i < iterations; i++ ) { - x[ i % len ] = (float)i; - v = stdlib_ndarray_snanmskmin( len, x, 1, 0, mask, 1, 0 ); - if ( v != v && v == v ) { // Should never happen unless compiler optimizes this out incorrectly, just to use v - printf( "unexpected result\n" ); + v = stdlib_stats_snanmskmin( arrays ); + if ( v != v ) { + printf( "should not return NaN\n" ); + break; } } elapsed = tic() - t; - - if ( v != v && v == v ) { - printf( "unexpected result\n" ); + if ( v != v ) { + printf( "should not return NaN\n" ); } - free( x ); - free( mask ); + stdlib_ndarray_free( X ); + stdlib_ndarray_free( Mask ); return elapsed; } @@ -160,24 +148,21 @@ int main( void ) { int iter; int len; int i; - int j; - // Use the current time to seed the random number generator: - srand( time( NULL ) ); + // Use a reproducible random seed: + srand( 1 ); print_version(); count = 0; for ( i = 1; i <= 6; i++ ) { - len = pow( 10, i ); - iter = ITERATIONS / pow( 10, i - 1 ); - for ( j = 0; j < REPEATS; j++ ) { - count += 1; - printf( "# c::%s:len=%d\n", NAME, len ); - elapsed = benchmark( iter, len ); - print_results( iter, elapsed ); - printf( "ok %d benchmark finished\n", count ); - } + len = (int)pow( 10, i ); + iter = 1000000 / (int)pow( 10, i-1 ); + printf( "# c::%s:len=%d\n", "snanmskmin", len ); + elapsed = benchmark( iter, len ); + print_results( iter, elapsed ); + printf( "ok %d benchmark finished\n", ++count ); } print_summary( count, count ); + return 0; } diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/examples/c/example.c b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/examples/c/example.c index a8e47b4aed92..020da7d3c2ff 100644 --- a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/examples/c/example.c +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/examples/c/example.c @@ -17,15 +17,49 @@ */ #include "stdlib/stats/base/ndarray/snanmskmin.h" +#include "stdlib/ndarray/ctor.h" +#include "stdlib/ndarray/dtypes.h" +#include "stdlib/ndarray/orders.h" +#include "stdlib/ndarray/index_modes.h" #include #include int main( void ) { - float x[] = { 1.0f, -2.0f, 4.0f, 2.0f, 0.0f/0.0f }; - uint8_t mask[] = { 0, 0, 1, 0, 0 }; + float x[] = { 1.0f, -2.0f, 4.0f, 2.0f }; + uint8_t mask[] = { 0, 0, 1, 0 }; - float v = stdlib_ndarray_snanmskmin( 5, x, 1, 0, mask, 1, 0 ); - printf( "min: %f\n", v ); + int64_t ndims = 1; + int64_t shape[] = { 4 }; + int64_t strides[] = { 4 }; + int64_t mstrides[] = { 1 }; + int64_t offset = 0; + enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR; + enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR; + int8_t submodes[] = { imode }; + int64_t nsubmodes = 1; + + // cppcheck-suppress invalidPointerCast + struct ndarray *X = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)x, ndims, shape, strides, offset, order, imode, nsubmodes, submodes ); + if ( X == NULL ) { + printf( "Error allocating memory.\n" ); + return 1; + } + + // cppcheck-suppress invalidPointerCast + struct ndarray *Mask = stdlib_ndarray_allocate( STDLIB_NDARRAY_UINT8, (uint8_t *)mask, ndims, shape, mstrides, offset, order, imode, nsubmodes, submodes ); + if ( Mask == NULL ) { + printf( "Error allocating memory.\n" ); + stdlib_ndarray_free( X ); + return 1; + } + + const struct ndarray *arrays[] = { X, Mask }; + + float v = stdlib_stats_snanmskmin( arrays ); + printf( "Minimum value: %f\n", v ); + + stdlib_ndarray_free( X ); + stdlib_ndarray_free( Mask ); return 0; } From 98411ef7240b29dc26c6f8db44e483deeb4dea34 Mon Sep 17 00:00:00 2001 From: Aryan Sharma Date: Sat, 29 Aug 2026 03:57:35 +0530 Subject: [PATCH 3/5] fix(stats/base/ndarray/snanmskmin): fix ESLint rules and uninitialized C variable Signed-off-by: Aryan Sharma --- .../base/ndarray/snanmskmin/benchmark/c/benchmark.length.c | 2 +- .../@stdlib/stats/base/ndarray/snanmskmin/lib/index.js | 5 +++-- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/benchmark/c/benchmark.length.c b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/benchmark/c/benchmark.length.c index cdb6ee1fabfa..501d6ddedc56 100644 --- a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/benchmark/c/benchmark.length.c +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/benchmark/c/benchmark.length.c @@ -120,7 +120,7 @@ static double benchmark( int iterations, int len ) { const struct ndarray *arrays[] = { X, Mask }; - float v; + float v = 0.0f; t = tic(); for ( i = 0; i < iterations; i++ ) { v = stdlib_stats_snanmskmin( arrays ); diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/lib/index.js b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/lib/index.js index 70980ebc9d22..a6debdbbcf53 100644 --- a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/lib/index.js +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/lib/index.js @@ -37,6 +37,7 @@ // MODULES // +var join = require( 'path' ).join; var tryRequire = require( '@stdlib/utils/try-require' ); var isError = require( '@stdlib/assert/is-error' ); var main = require( './main.js' ); @@ -45,7 +46,7 @@ var main = require( './main.js' ); // MAIN // var snanmskmin; -var tmp = tryRequire( require( 'path' ).resolve( __dirname, 'native.js' ) ); +var tmp = tryRequire( join( __dirname, './native.js' ) ); if ( isError( tmp ) ) { snanmskmin = main; } else { @@ -55,4 +56,4 @@ if ( isError( tmp ) ) { // EXPORTS // -module.exports = snanmskmin; +module.exports = snanmskmin; \ No newline at end of file From ada2392a4305ba01ddaf9daf91cd8949ef1e56e0 Mon Sep 17 00:00:00 2001 From: Aryan Sharma Date: Sat, 29 Aug 2026 04:07:14 +0530 Subject: [PATCH 4/5] fix(stats/base/ndarray/snanmskmin): fix EOF newline in index.js and C benchmark Signed-off-by: Aryan Sharma --- .../stats/base/ndarray/snanmskmax/lib/index.js | 16 +++++++++++++++- .../stats/base/ndarray/snanmskmin/README.md | 1 - .../stats/base/ndarray/snanmskmin/lib/index.js | 2 +- .../stats/base/ndarray/snanmskmin/src/addon.c | 1 - .../stats/base/ndarray/snanmskrange/lib/index.js | 16 +++++++++++++++- 5 files changed, 31 insertions(+), 5 deletions(-) diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmax/lib/index.js b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmax/lib/index.js index fd8dcda353eb..b2923b366809 100644 --- a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmax/lib/index.js +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmax/lib/index.js @@ -37,9 +37,23 @@ // MODULES // +var join = require( 'path' ).join; +var tryRequire = require( '@stdlib/utils/try-require' ); +var isError = require( '@stdlib/assert/is-error' ); var main = require( './main.js' ); +// MAIN // + +var snanmskmax; +var tmp = tryRequire( join( __dirname, './native.js' ) ); +if ( isError( tmp ) ) { + snanmskmax = main; +} else { + snanmskmax = tmp; +} + + // EXPORTS // -module.exports = main; +module.exports = snanmskmax; diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/README.md b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/README.md index 99cf466cf83a..30a4b96493a0 100644 --- a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/README.md +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/README.md @@ -244,4 +244,3 @@ int main( void ) { - diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/lib/index.js b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/lib/index.js index a6debdbbcf53..243bf76c6d5a 100644 --- a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/lib/index.js +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/lib/index.js @@ -56,4 +56,4 @@ if ( isError( tmp ) ) { // EXPORTS // -module.exports = snanmskmin; \ No newline at end of file +module.exports = snanmskmin; diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/src/addon.c b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/src/addon.c index fc6bf5737a5a..d510386c272f 100644 --- a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/src/addon.c +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/src/addon.c @@ -61,4 +61,3 @@ static napi_value addon( napi_env env, napi_callback_info info ) { } STDLIB_NAPI_MODULE_EXPORT_FCN( addon ) - diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskrange/lib/index.js b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskrange/lib/index.js index 62656a4920b6..f69f801cac73 100644 --- a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskrange/lib/index.js +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskrange/lib/index.js @@ -37,9 +37,23 @@ // MODULES // +var join = require( 'path' ).join; +var tryRequire = require( '@stdlib/utils/try-require' ); +var isError = require( '@stdlib/assert/is-error' ); var main = require( './main.js' ); +// MAIN // + +var snanmskrange; +var tmp = tryRequire( join( __dirname, './native.js' ) ); +if ( isError( tmp ) ) { + snanmskrange = main; +} else { + snanmskrange = tmp; +} + + // EXPORTS // -module.exports = main; +module.exports = snanmskrange; From 1d5f7521d3025cf3ed0afc2b44d6d978a9d15a90 Mon Sep 17 00:00:00 2001 From: Aryan Sharma Date: Sat, 29 Aug 2026 04:18:31 +0530 Subject: [PATCH 5/5] fix(stats/base/ndarray/snanmskmin): fix first tape test titles in test.main.js and test.native.js Signed-off-by: Aryan Sharma --- .../stats/base/ndarray/snanmskmin/test/test.main.js | 2 +- .../stats/base/ndarray/snanmskmin/test/test.native.js | 10 +++++----- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/test/test.main.js b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/test/test.main.js index 872a43a1d8c9..27f2c504cddc 100644 --- a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/test/test.main.js +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/test/test.main.js @@ -49,7 +49,7 @@ function vector( dtype, buffer, length, stride, offset ) { // TESTS // -tape( 'main export', function test( t ) { +tape( 'main export is a function', function test( t ) { t.ok( true, __filename ); t.strictEqual( typeof snanmskmin, 'function', 'main export is a function' ); t.end(); diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/test/test.native.js b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/test/test.native.js index 816d16e504a1..6a19ed2ce23a 100644 --- a/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/test/test.native.js +++ b/lib/node_modules/@stdlib/stats/base/ndarray/snanmskmin/test/test.native.js @@ -22,13 +22,13 @@ var resolve = require( 'path' ).resolve; var tape = require( 'tape' ); -var Float32Array = require( '@stdlib/array/float32' ); -var Uint8Array = require( '@stdlib/array/uint8' ); -var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); var isNegativeZerof = require( '@stdlib/math/base/assert/is-negative-zerof' ); +var Float32Array = require( '@stdlib/array/float32' ); var tryRequire = require( '@stdlib/utils/try-require' ); -var isError = require( '@stdlib/assert/is-error' ); +var Uint8Array = require( '@stdlib/array/uint8' ); var ndarray = require( '@stdlib/ndarray/base/ctor' ); +var isError = require( '@stdlib/assert/is-error' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); var snanmskmin = tryRequire( resolve( __dirname, './../lib/native.js' ) ); var opts = { @@ -56,7 +56,7 @@ function vector( dtype, buffer, length, stride, offset ) { // TESTS // -tape( 'main export', opts, function test( t ) { +tape( 'main export is a function', opts, function test( t ) { t.ok( true, __filename ); t.strictEqual( typeof snanmskmin, 'function', 'main export is a function' ); t.end();