diff --git a/lib/node_modules/@stdlib/math/base/special/floor10f/README.md b/lib/node_modules/@stdlib/math/base/special/floor10f/README.md new file mode 100644 index 000000000000..2068f459f355 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/floor10f/README.md @@ -0,0 +1,232 @@ + + +# floor10f + +> Round a single-precision floating-point number to the nearest power of 10 toward negative infinity. + +
+ +## Usage + +```javascript +var floor10f = require( '@stdlib/math/base/special/floor10f' ); +``` + +#### floor10f( x ) + +Rounds a single-precision floating-point number to the nearest power of `10` toward negative infinity. + +```javascript +var v = floor10f( -4.2 ); +// returns -10.0 + +v = floor10f( -4.5 ); +// returns -10.0 + +v = floor10f( -4.6 ); +// returns -10.0 + +v = floor10f( 9.99999 ); +// returns 1.0 + +v = floor10f( 9.5 ); +// returns 1.0 + +v = floor10f( 13.0 ); +// returns 10.0 + +v = floor10f( -13.0 ); +// returns -100.0 + +v = floor10f( 0.0 ); +// returns 0.0 + +v = floor10f( -0.0 ); +// returns -0.0 + +v = floor10f( Infinity ); +// returns Infinity + +v = floor10f( -Infinity ); +// returns -Infinity + +v = floor10f( NaN ); +// returns NaN +``` + +
+ + + +
+ +## Notes + +- The function may not return accurate results for subnormals due to a general loss in precision. + + ```javascript + var v = floor10f( 1.0e-44 ); // should return 1.0e-44 + // returns 0.0 + ``` + +
+ + + +
+ +## Examples + + + +```javascript +var uniform = require( '@stdlib/random/array/uniform' ); +var logEachMap = require( '@stdlib/console/log-each-map' ); +var floor10f = require( '@stdlib/math/base/special/floor10f' ); + +var opts = { + 'dtype': 'float32' +}; +var x = uniform( 100, -50.0, 50.0, opts ); + +logEachMap( 'x: %f. Rounded: %f.', x, floor10f ); +``` + +
+ + + + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/math/base/special/floor10f.h" +``` + +#### stdlib_base_floor10f( x ) + +Rounds a single-precision floating-point number to the nearest power of `10` toward negative infinity. + +```c +float y = stdlib_base_floor10f( -4.2f ); +// returns -10.0f +``` + +The function accepts the following arguments: + +- **x**: `[in] float` input value. + +```c +float stdlib_base_floor10f( const float x ); +``` + +
+ + + + + +
+ +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/math/base/special/floor10f.h" +#include + +int main( void ) { + const float x[] = { 3.14f, -3.14f, 0.0f, 1.0f / 0.0f }; + + float y; + int i; + for ( i = 0; i < 4; i++ ) { + y = stdlib_base_floor10f( x[ i ] ); + printf( "floor10f(%f) = %f\n", x[ i ], y ); + } +} +``` + +
+ + + +
+ + + + + +
+ +* * * + +## See Also + +- [`@stdlib/math/base/special/floor10`][@stdlib/math/base/special/floor10]: round a numeric value to the nearest power of 10 toward negative infinity. +- [`@stdlib/math/base/special/floorf`][@stdlib/math/base/special/floorf]: round a single-precision floating-point number toward negative infinity. + +
+ + + + + +
+ + + +[@stdlib/math/base/special/floor10]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/floor10 + +[@stdlib/math/base/special/floorf]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/floorf + + + + +
+ + diff --git a/lib/node_modules/@stdlib/math/base/special/floor10f/benchmark/benchmark.js b/lib/node_modules/@stdlib/math/base/special/floor10f/benchmark/benchmark.js new file mode 100644 index 000000000000..46de681dc6dd --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/floor10f/benchmark/benchmark.js @@ -0,0 +1,52 @@ +/** +* @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 bench = require( '@stdlib/bench' ); +var uniform = require( '@stdlib/random/array/uniform' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var pkg = require( './../package.json' ).name; +var floor10f = require( './../lib' ); + + +// MAIN // + +bench( pkg, function benchmark( b ) { + var x; + var y; + var i; + + x = uniform( 100, -5.0e6, 5.0e6 ); + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + y = floor10f( x[ i%x.length ] ); + if ( isnanf( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnanf( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/lib/node_modules/@stdlib/math/base/special/floor10f/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/math/base/special/floor10f/benchmark/benchmark.native.js new file mode 100644 index 000000000000..a05c776adf1d --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/floor10f/benchmark/benchmark.native.js @@ -0,0 +1,62 @@ +/** +* @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/array/uniform' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var format = require( '@stdlib/string/format' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var floor10f = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( floor10f instanceof Error ) +}; + + +// MAIN // + +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { + var x; + var y; + var i; + + x = uniform( 100, -5.0e6, 5.0e6 ); + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + y = floor10f( x[ i%x.length ] ); + if ( isnanf( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnanf( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/lib/node_modules/@stdlib/math/base/special/floor10f/benchmark/c/native/Makefile b/lib/node_modules/@stdlib/math/base/special/floor10f/benchmark/c/native/Makefile new file mode 100644 index 000000000000..979768abbcec --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/floor10f/benchmark/c/native/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.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/math/base/special/floor10f/benchmark/c/native/benchmark.c b/lib/node_modules/@stdlib/math/base/special/floor10f/benchmark/c/native/benchmark.c new file mode 100644 index 000000000000..71c1d96864f0 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/floor10f/benchmark/c/native/benchmark.c @@ -0,0 +1,136 @@ +/** +* @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/math/base/special/floor10f.h" +#include +#include +#include +#include +#include + +#define NAME "floor10f" +#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 ); // TAP plan + printf( "# total %d\n", total ); + printf( "# pass %d\n", passing ); + printf( "#\n" ); + printf( "# ok\n" ); +} + +/** +* Prints benchmarks results. +* +* @param elapsed elapsed time in seconds +*/ +static void print_results( double elapsed ) { + double rate = (double)ITERATIONS / elapsed; + printf( " ---\n" ); + printf( " iterations: %d\n", ITERATIONS ); + printf( " elapsed: %0.9f\n", elapsed ); + printf( " rate: %0.9f\n", rate ); + printf( " ...\n" ); +} + +/** +* Returns a clock time. +* +* @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 on the interval [0,1). +* +* @return random number +*/ +static float rand_float( void ) { + int r = rand(); + return (float)r / ( (float)RAND_MAX + 1.0 ); +} + +/** +* Runs a benchmark. +* +* @return elapsed time in seconds +*/ +static double benchmark( void ) { + double elapsed; + float x[ 100 ]; + float y; + double t; + int i; + + for ( i = 0; i < 100; i++ ) { + x[ i ] = ( 1.0e7 * rand_float() ) - 5.0e6; + } + + t = tic(); + for ( i = 0; i < ITERATIONS; i++ ) { + y = stdlib_base_floor10f( x[ i%100 ] ); + if ( y != y ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - t; + if ( y != y ) { + printf( "should not return NaN\n" ); + } + return elapsed; +} + +/** +* Main execution sequence. +*/ +int main( void ) { + double elapsed; + int i; + + // Use the current time to seed the random number generator: + srand( time( NULL ) ); + + print_version(); + for ( i = 0; i < REPEATS; i++ ) { + printf( "# c::native::%s\n", NAME ); + elapsed = benchmark(); + print_results( elapsed ); + printf( "ok %d benchmark finished\n", i+1 ); + } + print_summary( REPEATS, REPEATS ); +} diff --git a/lib/node_modules/@stdlib/math/base/special/floor10f/binding.gyp b/lib/node_modules/@stdlib/math/base/special/floor10f/binding.gyp new file mode 100644 index 000000000000..0d6508a12e99 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/floor10f/binding.gyp @@ -0,0 +1,170 @@ +# @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/math/base/special/floor10f/docs/repl.txt b/lib/node_modules/@stdlib/math/base/special/floor10f/docs/repl.txt new file mode 100644 index 000000000000..db09749c71c9 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/floor10f/docs/repl.txt @@ -0,0 +1,38 @@ + +{{alias}}( x ) + Rounds a single-precision floating-point number to the nearest + power of ten toward negative infinity. + + The function may not return accurate results for subnormals due to a general + loss in precision. + + Parameters + ---------- + x: number + Input value. + + Returns + ------- + y: number + Rounded value. + + Examples + -------- + > var y = {{alias}}( 3.14 ) + 1.0 + > y = {{alias}}( -4.2 ) + -10.0 + > y = {{alias}}( -4.6 ) + -10.0 + > y = {{alias}}( 9.5 ) + 1.0 + > y = {{alias}}( 13.0 ) + 10.0 + > y = {{alias}}( -13.0 ) + -100.0 + > y = {{alias}}( -0.0 ) + -0.0 + + See Also + -------- + diff --git a/lib/node_modules/@stdlib/math/base/special/floor10f/docs/types/index.d.ts b/lib/node_modules/@stdlib/math/base/special/floor10f/docs/types/index.d.ts new file mode 100644 index 000000000000..93b3cb7337e8 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/floor10f/docs/types/index.d.ts @@ -0,0 +1,44 @@ +/* +* @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. +*/ + +// TypeScript Version: 4.1 + +/** +* Rounds a single-precision floating-point number to the nearest power of `10` toward negative infinity. +* +* @param x - input value +* @returns rounded value +* +* @example +* var v = floor10f( 3.141592653589793 ); +* // returns 1.0 +* +* @example +* var v = floor10f( 9.0 ); +* // returns 1.0 +* +* @example +* var v = floor10f( -0.314 ); +* // returns -1.0 +*/ +declare function floor10f( x: number ): number; + + +// EXPORTS // + +export = floor10f; diff --git a/lib/node_modules/@stdlib/math/base/special/floor10f/docs/types/test.ts b/lib/node_modules/@stdlib/math/base/special/floor10f/docs/types/test.ts new file mode 100644 index 000000000000..5c17044bc516 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/floor10f/docs/types/test.ts @@ -0,0 +1,44 @@ +/* +* @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. +*/ + +import floor10f = require( './index' ); + + +// TESTS // + +// The function returns a number... +{ + floor10f( 3.141592653589793 ); // $ExpectType number +} + +// The compiler throws an error if the function is provided a value other than a number... +{ + floor10f( true ); // $ExpectError + floor10f( false ); // $ExpectError + floor10f( null ); // $ExpectError + floor10f( undefined ); // $ExpectError + floor10f( '5' ); // $ExpectError + floor10f( [] ); // $ExpectError + floor10f( {} ); // $ExpectError + floor10f( ( x: number ): number => x ); // $ExpectError +} + +// The compiler throws an error if the function is provided insufficient arguments... +{ + floor10f(); // $ExpectError +} diff --git a/lib/node_modules/@stdlib/math/base/special/floor10f/examples/c/Makefile b/lib/node_modules/@stdlib/math/base/special/floor10f/examples/c/Makefile new file mode 100644 index 000000000000..c8f8e9a1517b --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/floor10f/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/math/base/special/floor10f/examples/c/example.c b/lib/node_modules/@stdlib/math/base/special/floor10f/examples/c/example.c new file mode 100644 index 000000000000..6d672a9abc9c --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/floor10f/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/math/base/special/floor10f.h" +#include + +int main( void ) { + const float x[] = { 3.14f, -3.14f, 9.0f, 0.0f / 0.0f }; + + float y; + int i; + for ( i = 0; i < 4; i++ ) { + y = stdlib_base_floor10f( x[ i ] ); + printf( "floor10f(%f) = %f\n", x[ i ], y ); + } +} diff --git a/lib/node_modules/@stdlib/math/base/special/floor10f/examples/index.js b/lib/node_modules/@stdlib/math/base/special/floor10f/examples/index.js new file mode 100644 index 000000000000..621c303be250 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/floor10f/examples/index.js @@ -0,0 +1,30 @@ +/** +* @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'; + +var uniform = require( '@stdlib/random/array/uniform' ); +var logEachMap = require( '@stdlib/console/log-each-map' ); +var floor10f = require( './../lib' ); + +var opts = { + 'dtype': 'float32' +}; +var x = uniform( 100, -50.0, 50.0, opts ); + +logEachMap( 'x: %f. Rounded: %f.', x, floor10f ); diff --git a/lib/node_modules/@stdlib/math/base/special/floor10f/include.gypi b/lib/node_modules/@stdlib/math/base/special/floor10f/include.gypi new file mode 100644 index 000000000000..bee8d41a2caf --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/floor10f/include.gypi @@ -0,0 +1,53 @@ +# @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': [ + ' MAX_EXP ) { + return NINF; + } + return f32( sign * powf( 10.0, p ) ); +} + + +// EXPORTS // + +module.exports = floor10f; diff --git a/lib/node_modules/@stdlib/math/base/special/floor10f/lib/native.js b/lib/node_modules/@stdlib/math/base/special/floor10f/lib/native.js new file mode 100644 index 000000000000..f87a2f38c8de --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/floor10f/lib/native.js @@ -0,0 +1,54 @@ +/** +* @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 addon = require( './../src/addon.node' ); + + +// MAIN // + +/** +* Rounds a single-precision floating-point number to the nearest power of `10` toward negative infinity. +* +* @private +* @param {number} x - input value +* @returns {number} rounded value +* +* @example +* var v = floor10f( 3.141592653589793 ); +* // returns 1.0 +* +* @example +* var v = floor10f( 9.0 ); +* // returns 1.0 +* +* @example +* var v = floor10f( -0.314 ); +* // returns -1.0 +*/ +function floor10f( x ) { + return addon( x ); +} + + +// EXPORTS // + +module.exports = floor10f; diff --git a/lib/node_modules/@stdlib/math/base/special/floor10f/manifest.json b/lib/node_modules/@stdlib/math/base/special/floor10f/manifest.json new file mode 100644 index 000000000000..c6a11b043cd9 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/floor10f/manifest.json @@ -0,0 +1,102 @@ +{ + "options": { + "task": "build" + }, + "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", + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [ + "-lm" + ], + "libpath": [], + "dependencies": [ + "@stdlib/math/base/napi/unary", + "@stdlib/math/base/assert/is-nanf", + "@stdlib/math/base/assert/is-infinitef", + "@stdlib/math/base/special/powf", + "@stdlib/math/base/special/floorf", + "@stdlib/math/base/special/ceilf", + "@stdlib/math/base/special/log10", + "@stdlib/constants/float32/max-base10-exponent", + "@stdlib/constants/float32/min-base10-exponent-subnormal", + "@stdlib/constants/float32/ninf" + ] + }, + { + "task": "benchmark", + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [ + "-lm" + ], + "libpath": [], + "dependencies": [ + "@stdlib/math/base/assert/is-nanf", + "@stdlib/math/base/assert/is-infinitef", + "@stdlib/math/base/special/powf", + "@stdlib/math/base/special/floorf", + "@stdlib/math/base/special/ceilf", + "@stdlib/math/base/special/log10", + "@stdlib/constants/float32/max-base10-exponent", + "@stdlib/constants/float32/min-base10-exponent-subnormal", + "@stdlib/constants/float32/ninf" + ] + }, + { + "task": "examples", + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [ + "-lm" + ], + "libpath": [], + "dependencies": [ + "@stdlib/math/base/assert/is-nanf", + "@stdlib/math/base/assert/is-infinitef", + "@stdlib/math/base/special/powf", + "@stdlib/math/base/special/floorf", + "@stdlib/math/base/special/ceilf", + "@stdlib/math/base/special/log10", + "@stdlib/constants/float32/max-base10-exponent", + "@stdlib/constants/float32/min-base10-exponent-subnormal", + "@stdlib/constants/float32/ninf" + ] + } + ] +} diff --git a/lib/node_modules/@stdlib/math/base/special/floor10f/package.json b/lib/node_modules/@stdlib/math/base/special/floor10f/package.json new file mode 100644 index 000000000000..24daa4de6665 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/floor10f/package.json @@ -0,0 +1,141 @@ +{ + "name": "@stdlib/math/base/special/floor10f", + "version": "0.0.0", + "description": "Round a single-precision floating-point value to the nearest power of 10 toward negative infinity.", + "license": "Apache-2.0", + "author": { + "name": "The Stdlib Authors", + "url": "https://github.com/stdlib-js/stdlib/graphs/contributors" + }, + "contributors": [ + { + "name": "The Stdlib Authors", + "url": "https://github.com/stdlib-js/stdlib/graphs/contributors" + } + ], + "main": "./lib", + "gypfile": true, + "directories": { + "benchmark": "./benchmark", + "doc": "./docs", + "example": "./examples", + "include": "./include", + "lib": "./lib", + "src": "./src", + "test": "./test" + }, + "types": "./docs/types", + "scripts": {}, + "homepage": "https://github.com/stdlib-js/stdlib", + "repository": { + "type": "git", + "url": "git://github.com/stdlib-js/stdlib.git" + }, + "bugs": { + "url": "https://github.com/stdlib-js/stdlib/issues" + }, + "dependencies": {}, + "devDependencies": {}, + "engines": { + "node": ">=0.10.0", + "npm": ">2.7.0" + }, + "os": [ + "aix", + "darwin", + "freebsd", + "linux", + "macos", + "openbsd", + "sunos", + "win32", + "windows" + ], + "keywords": [ + "stdlib", + "stdmath", + "mathematics", + "math", + "math.floor", + "floor", + "floor10", + "round", + "nearest", + "number" + ], + "__stdlib__": { + "scaffold": { + "$schema": "math/base@v1.0", + "base_alias": "floor10f", + "alias": "floor10f", + "pkg_desc": "round a single-precision floating-point value to the nearest power of 10 toward negative infinity", + "desc": "rounds a single-precision floating-point value to the nearest power of 10 toward negative infinity", + "short_desc": "", + "parameters": [ + { + "name": "x", + "desc": "input value", + "type": { + "javascript": "number", + "jsdoc": "number", + "c": "float", + "dtype": "float32" + }, + "domain": [ + { + "min": "-infinity", + "max": "infinity" + } + ], + "rand": { + "prng": "random/base/uniform", + "parameters": [ + -10, + 10 + ] + }, + "example_values": [ + -3.7, + 3.5, + -1.2, + -0.1, + 0.1, + 1.1, + 2.9, + 5.5, + 10.2, + 5.9, + 2.25, + -3.14, + 5, + 4.33, + 10.2, + -9.99, + 9.99, + 2.12, + -0.5, + 0.5 + ] + } + ], + "returns": { + "desc": "function value", + "type": { + "javascript": "number", + "jsdoc": "number", + "c": "float", + "dtype": "float32" + } + }, + "keywords": [ + "floorf", + "floor10f", + "round", + "nearest" + ], + "extra_keywords": [ + "math.floor" + ] + } + } +} diff --git a/lib/node_modules/@stdlib/math/base/special/floor10f/src/Makefile b/lib/node_modules/@stdlib/math/base/special/floor10f/src/Makefile new file mode 100644 index 000000000000..2caf905cedbe --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/floor10f/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/math/base/special/floor10f/src/addon.c b/lib/node_modules/@stdlib/math/base/special/floor10f/src/addon.c new file mode 100644 index 000000000000..bc1f859f4752 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/floor10f/src/addon.c @@ -0,0 +1,22 @@ +/** +* @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/math/base/special/floor10f.h" +#include "stdlib/math/base/napi/unary.h" + +STDLIB_MATH_BASE_NAPI_MODULE_F_F( stdlib_base_floor10f ) diff --git a/lib/node_modules/@stdlib/math/base/special/floor10f/src/main.c b/lib/node_modules/@stdlib/math/base/special/floor10f/src/main.c new file mode 100644 index 000000000000..0224a31b0d71 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/floor10f/src/main.c @@ -0,0 +1,76 @@ +/** +* @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/math/base/special/floor10f.h" +#include "stdlib/math/base/assert/is_nanf.h" +#include "stdlib/math/base/assert/is_infinitef.h" +#include "stdlib/math/base/special/powf.h" +#include "stdlib/math/base/special/floorf.h" +#include "stdlib/math/base/special/ceilf.h" +#include "stdlib/constants/float32/max_base10_exponent.h" +#include "stdlib/constants/float32/min_base10_exponent_subnormal.h" +#include "stdlib/constants/float32/ninf.h" +#include + +/** +* Rounds a single-precision floating-point number to the nearest power of `10` toward negative infinity. +* +* @param x input value +* @return rounded value +* +* @example +* float y = stdlib_base_floor10f( 3.1415927f ); +* // returns 1.0f +*/ +float stdlib_base_floor10f( const float x ) { + float sign; + float xc; + float p; + + if ( stdlib_base_is_nanf( x ) || stdlib_base_is_infinitef( x ) || x == 0.0f ) { + return x; + } + xc = x; + if ( x < 0 ) { + xc = -xc; + sign = -1.0f; + } else { + sign = 1.0f; + } + + // Solve the equation `10^p = x` for `p`: + p = log10f( xc ); + + // Determine a power of `10` which rounds the input value toward negative infinity: + if ( sign == 1.0f ) { + p = stdlib_base_floorf( p ); + } else { + p = stdlib_base_ceilf( p ); + } + + // Handle underflow: + if ( p <= STDLIB_CONSTANT_FLOAT32_MIN_BASE10_EXPONENT_SUBNORMAL ) { + return sign * 0.0f; // sign-preserving + } + + // Handle overflow: + if ( p > STDLIB_CONSTANT_FLOAT32_MAX_BASE10_EXPONENT ) { + return STDLIB_CONSTANT_FLOAT32_NINF; + } + return sign * stdlib_base_powf( 10.0f, p ); +} diff --git a/lib/node_modules/@stdlib/math/base/special/floor10f/test/test.js b/lib/node_modules/@stdlib/math/base/special/floor10f/test/test.js new file mode 100644 index 000000000000..604b463f7b13 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/floor10f/test/test.js @@ -0,0 +1,185 @@ +/** +* @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 NINF = require( '@stdlib/constants/float32/ninf' ); +var PINF = require( '@stdlib/constants/float32/pinf' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var isNegativeZerof = require( '@stdlib/math/base/assert/is-negative-zerof' ); +var isPositiveZerof = require( '@stdlib/math/base/assert/is-positive-zerof' ); +var powf = require( '@stdlib/math/base/special/powf' ); +var floor10f = require( './../lib' ); + + +// TESTS // + +tape( 'main export is a function', function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof floor10f, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function returns `+0` if provided `+0`', function test( t ) { + var v; + + v = floor10f( 0.0 ); + t.strictEqual( isPositiveZerof( v ), true, 'returns expected value' ); + + v = floor10f( +0.0 ); + t.strictEqual( isPositiveZerof( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function returns `-0` if provided `-0`', function test( t ) { + var v = floor10f( -0.0 ); + t.strictEqual( isNegativeZerof( v ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function returns `NaN` if provided a `NaN`', function test( t ) { + var v = floor10f( NaN ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function returns `+infinity` if provided `+infinity`', function test( t ) { + var v = floor10f( PINF ); + t.strictEqual( v, PINF, 'returns expected value' ); + t.end(); +}); + +tape( 'the function returns `-infinity` if provided `-infinity`', function test( t ) { + var v = floor10f( NINF ); + t.strictEqual( v, NINF, 'returns expected value' ); + t.end(); +}); + +tape( 'the function overflows if provided a sufficiently large negative value', function test( t ) { + var x; + var v; + + x = -powf( 10.0, 38 ); + v = floor10f( x + (x/2.0) ); + t.strictEqual( v, NINF, 'returns expected value' ); + + x = -powf( 10.0, 38 ); + v = floor10f( x + (x/3.0) ); + t.strictEqual( v, NINF, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function underflows if provided a sufficiently small positive value', function test( t ) { + var x; + var v; + + x = powf( 10.0, -44 ); + v = floor10f( x - (x/2.0) ); + t.strictEqual( isPositiveZerof( v ), true, 'returns expected value' ); + + x = powf( 10.0, -44 ); + v = floor10f( x - (x/3.0) ); + t.strictEqual( isPositiveZerof( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function may return incorrect results for small subnormals', function test( t ) { + var x; + var v; + + x = powf( 10.0, -44 ); + v = floor10f( x ); + t.notEqual( v, x, 'should return input value but does not due to loss in precision' ); + + t.end(); +}); + +tape( 'the function supports rounding large values', function test( t ) { + var x; + var v; + + x = powf( 10.0, 38 ); + v = floor10f( x + (x/2.0) ); + t.strictEqual( v, x, 'returns expected value' ); + + x = powf( 10.0, 38 ); + v = floor10f( x + (x/3.0) ); + t.strictEqual( v, x, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports rounding subnormal values', function test( t ) { + var expected; + var x; + var v; + + expected = powf( 10.0, -44 ); + + x = powf( 10.0, -44 ); + v = floor10f( x + (x/2.0) ); + t.strictEqual( v, expected, 'returns expected value' ); + + x = powf( 10.0, -44 ); + v = floor10f( x + (x/3.0) ); + t.strictEqual( v, expected, 'returns expected value' ); + + expected = -powf( 10.0, -43 ); + + x = -powf( 10.0, -44 ); + v = floor10f( x + (x/2.0) ); + t.strictEqual( v, expected, 'returns expected value' ); + + x = -powf( 10.0, -44 ); + v = floor10f( x + (x/3.0) ); + t.strictEqual( v, expected, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function rounds a numeric value to the nearest power of 10 toward negative infinity', function test( t ) { + t.strictEqual( floor10f( -4.2 ), -10.0, 'returns expected value' ); + t.strictEqual( floor10f( -4.5 ), -10.0, 'returns expected value' ); + t.strictEqual( floor10f( -4.8 ), -10.0, 'returns expected value' ); + t.strictEqual( floor10f( 4.2 ), 1.0, 'returns expected value' ); + t.strictEqual( floor10f( 9.99999 ), 1.0, 'returns expected value' ); + t.strictEqual( floor10f( 9.5 ), 1.0, 'returns expected value' ); + t.strictEqual( floor10f( 9.4 ), 1.0, 'returns expected value' ); + t.strictEqual( floor10f( 12.0 ), 10.0, 'returns expected value' ); + t.strictEqual( floor10f( -12.0 ), -100.0, 'returns expected value' ); + t.strictEqual( floor10f( 13.0 ), 10.0, 'returns expected value' ); + t.strictEqual( floor10f( -13.0 ), -100.0, 'returns expected value' ); + t.strictEqual( floor10f( 23.0 ), 10.0, 'returns expected value' ); + t.strictEqual( floor10f( -23.0 ), -100.0, 'returns expected value' ); + t.strictEqual( floor10f( 0.0 ), 0.0, 'returns expected value' ); + t.strictEqual( floor10f( 27.0 ), 10.0, 'returns expected value' ); + t.strictEqual( floor10f( -27.0 ), -100.0, 'returns expected value' ); + t.strictEqual( floor10f( 48.1 ), 10.0, 'returns expected value' ); + t.strictEqual( floor10f( -48.1 ), -100.0, 'returns expected value' ); + t.strictEqual( floor10f( 0.3 ), powf( 10.0, -1 ), 'returns expected value' ); + t.strictEqual( floor10f( -0.3 ), -1.0, 'returns expected value' ); + t.strictEqual( floor10f( 0.45 ), powf( 10.0, -1 ), 'returns expected value' ); + t.strictEqual( floor10f( -0.45 ), -1.0, 'returns expected value' ); + t.end(); +}); diff --git a/lib/node_modules/@stdlib/math/base/special/floor10f/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/floor10f/test/test.native.js new file mode 100644 index 000000000000..ad572f603038 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/floor10f/test/test.native.js @@ -0,0 +1,194 @@ +/** +* @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 NINF = require( '@stdlib/constants/float32/ninf' ); +var PINF = require( '@stdlib/constants/float32/pinf' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var isNegativeZerof = require( '@stdlib/math/base/assert/is-negative-zerof' ); +var isPositiveZerof = require( '@stdlib/math/base/assert/is-positive-zerof' ); +var powf = require( '@stdlib/math/base/special/powf' ); +var tryRequire = require( '@stdlib/utils/try-require' ); + + +// VARIABLES // + +var floor10f = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( floor10f instanceof Error ) +}; + + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof floor10f, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function returns `+0` if provided `+0`', opts, function test( t ) { + var v; + + v = floor10f( 0.0 ); + t.strictEqual( isPositiveZerof( v ), true, 'returns expected value' ); + + v = floor10f( +0.0 ); + t.strictEqual( isPositiveZerof( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function returns `-0` if provided `-0`', opts, function test( t ) { + var v = floor10f( -0.0 ); + t.strictEqual( isNegativeZerof( v ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function returns `NaN` if provided a `NaN`', opts, function test( t ) { + var v = floor10f( NaN ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function returns `+infinity` if provided `+infinity`', opts, function test( t ) { + var v = floor10f( PINF ); + t.strictEqual( v, PINF, 'returns expected value' ); + t.end(); +}); + +tape( 'the function returns `-infinity` if provided `-infinity`', opts, function test( t ) { + var v = floor10f( NINF ); + t.strictEqual( v, NINF, 'returns expected value' ); + t.end(); +}); + +tape( 'the function overflows if provided a sufficiently large negative value', opts, function test( t ) { + var x; + var v; + + x = -powf( 10.0, 38 ); + v = floor10f( x + (x/2.0) ); + t.strictEqual( v, NINF, 'returns expected value' ); + + x = -powf( 10.0, 38 ); + v = floor10f( x + (x/3.0) ); + t.strictEqual( v, NINF, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function underflows if provided a sufficiently small positive value', opts, function test( t ) { + var x; + var v; + + x = powf( 10.0, -44 ); + v = floor10f( x - (x/2.0) ); + t.strictEqual( isPositiveZerof( v ), true, 'returns expected value' ); + + x = powf( 10.0, -44 ); + v = floor10f( x - (x/3.0) ); + t.strictEqual( isPositiveZerof( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function may return incorrect results for small subnormals', opts, function test( t ) { + var x; + var v; + + x = powf( 10.0, -44 ); + v = floor10f( x ); + t.notEqual( v, x, 'should return input value but does not due to loss in precision' ); + + t.end(); +}); + +tape( 'the function supports rounding large values', opts, function test( t ) { + var x; + var v; + + x = powf( 10.0, 38 ); + v = floor10f( x + (x/2.0) ); + t.strictEqual( v, x, 'returns expected value' ); + + x = powf( 10.0, 38 ); + v = floor10f( x + (x/3.0) ); + t.strictEqual( v, x, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports rounding subnormal values', opts, function test( t ) { + var expected; + var x; + var v; + + expected = powf( 10.0, -44 ); + + x = powf( 10.0, -44 ); + v = floor10f( x + (x/2.0) ); + t.strictEqual( v, expected, 'returns expected value' ); + + x = powf( 10.0, -44 ); + v = floor10f( x + (x/3.0) ); + t.strictEqual( v, expected, 'returns expected value' ); + + expected = -powf( 10.0, -43 ); + + x = -powf( 10.0, -44 ); + v = floor10f( x + (x/2.0) ); + t.strictEqual( v, expected, 'returns expected value' ); + + x = -powf( 10.0, -44 ); + v = floor10f( x + (x/3.0) ); + t.strictEqual( v, expected, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function rounds a numeric value to the nearest power of 10 toward negative infinity', opts, function test( t ) { + t.strictEqual( floor10f( -4.2 ), -10.0, 'returns expected value' ); + t.strictEqual( floor10f( -4.5 ), -10.0, 'returns expected value' ); + t.strictEqual( floor10f( -4.8 ), -10.0, 'returns expected value' ); + t.strictEqual( floor10f( 4.2 ), 1.0, 'returns expected value' ); + t.strictEqual( floor10f( 9.99999 ), 1.0, 'returns expected value' ); + t.strictEqual( floor10f( 9.5 ), 1.0, 'returns expected value' ); + t.strictEqual( floor10f( 9.4 ), 1.0, 'returns expected value' ); + t.strictEqual( floor10f( 12.0 ), 10.0, 'returns expected value' ); + t.strictEqual( floor10f( -12.0 ), -100.0, 'returns expected value' ); + t.strictEqual( floor10f( 13.0 ), 10.0, 'returns expected value' ); + t.strictEqual( floor10f( -13.0 ), -100.0, 'returns expected value' ); + t.strictEqual( floor10f( 23.0 ), 10.0, 'returns expected value' ); + t.strictEqual( floor10f( -23.0 ), -100.0, 'returns expected value' ); + t.strictEqual( floor10f( 0.0 ), 0.0, 'returns expected value' ); + t.strictEqual( floor10f( 27.0 ), 10.0, 'returns expected value' ); + t.strictEqual( floor10f( -27.0 ), -100.0, 'returns expected value' ); + t.strictEqual( floor10f( 48.1 ), 10.0, 'returns expected value' ); + t.strictEqual( floor10f( -48.1 ), -100.0, 'returns expected value' ); + t.strictEqual( floor10f( 0.3 ), powf( 10.0, -1 ), 'returns expected value' ); + t.strictEqual( floor10f( -0.3 ), -1.0, 'returns expected value' ); + t.strictEqual( floor10f( 0.45 ), powf( 10.0, -1 ), 'returns expected value' ); + t.strictEqual( floor10f( -0.45 ), -1.0, 'returns expected value' ); + t.end(); +});