diff --git a/lib/node_modules/@stdlib/complex/float32/base/identity/README.md b/lib/node_modules/@stdlib/complex/float32/base/identity/README.md index d5ab66b8d1d3..45b06be4adaa 100644 --- a/lib/node_modules/@stdlib/complex/float32/base/identity/README.md +++ b/lib/node_modules/@stdlib/complex/float32/base/identity/README.md @@ -130,18 +130,26 @@ for ( i = 0; i < 100; i++ ) { Evaluates the identity function for a single-precision complex floating-point number. ```c -#include +#include "stdlib/complex/float32/ctor.h" +#include "stdlib/complex/float32/real.h" +#include "stdlib/complex/float32/imag.h" -float complex y = stdlib_base_complex64_identity( 2.0f+2.0f*I ); -// returns 2.0f+2.0f*I +stdlib_complex64_t z = stdlib_complex64( 2.0f, 2.0f ); +stdlib_complex64_t out = stdlib_base_complex64_identity( z ); + +float re = stdlib_complex64_real( out ); +// returns 2.0f + +float im = stdlib_complex64_imag( out ); +// returns 2.0f ``` The function accepts the following arguments: -- **z**: `[in] float complex` input value. +- **z**: `[in] stdlib_complex64_t` input value. ```c -float complex stdlib_base_complex64_identity( const float complex z ); +stdlib_complex64_t stdlib_base_complex64_identity( const stdlib_complex64_t z ); ``` @@ -164,19 +172,31 @@ float complex stdlib_base_complex64_identity( const float complex z ); ```c #include "stdlib/complex/float32/base/identity.h" +#include "stdlib/complex/float32/ctor.h" +#include "stdlib/complex/float32/reim.h" #include -#include int main( void ) { - const float complex x[] = { 3.14f+1.0f*I, -3.14f-1.0f*I, 0.0f+0.0f*I, 0.0f/0.0f+0.0f/0.0f*I }; - - float complex v; - float complex y; + const stdlib_complex64_t x[] = { + stdlib_complex64( 3.14f, 1.0f ), + stdlib_complex64( -3.14f, -1.0f ), + stdlib_complex64( 0.0f, 0.0f ), + stdlib_complex64( 0.0f/0.0f, 0.0f/0.0f ) + }; + + stdlib_complex64_t v; + stdlib_complex64_t y; + float re1; + float im1; + float re2; + float im2; int i; for ( i = 0; i < 4; i++ ) { v = x[ i ]; y = stdlib_base_complex64_identity( v ); - printf( "f(%f + %f) = %f + %f\n", crealf( v ), cimagf( v ), crealf( y ), cimagf( y ) ); + stdlib_complex64_reim( v, &re1, &im1 ); + stdlib_complex64_reim( y, &re2, &im2 ); + printf( "cidentity(%f + %fi) = %f + %fi\n", re1, im1, re2, im2 ); } } ``` diff --git a/lib/node_modules/@stdlib/complex/float32/base/identity/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/complex/float32/base/identity/benchmark/benchmark.native.js new file mode 100644 index 000000000000..8c7bd1b0e152 --- /dev/null +++ b/lib/node_modules/@stdlib/complex/float32/base/identity/benchmark/benchmark.native.js @@ -0,0 +1,67 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2025 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 isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var Complex64 = require( '@stdlib/complex/float32/ctor' ); +var real = require( '@stdlib/complex/float32/real' ); +var imag = require( '@stdlib/complex/float32/imag' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var cidentityf = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( cidentityf instanceof Error ) +}; + + +// MAIN // + +bench( pkg+'::native', opts, function benchmark( b ) { + var values; + var y; + var i; + + values = [ + new Complex64( uniform( -500.0, 500.0 ), uniform( -500.0, 500.0 ) ), + new Complex64( uniform( -500.0, 500.0 ), uniform( -500.0, 500.0 ) ) + ]; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + y = cidentityf( values[ i%values.length ] ); + if ( isnanf( real( y ) ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnanf( imag( y ) ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/lib/node_modules/@stdlib/complex/float32/base/identity/benchmark/c/native/benchmark.c b/lib/node_modules/@stdlib/complex/float32/base/identity/benchmark/c/native/benchmark.c index e6455b8d6a1c..f016e8c53cbc 100644 --- a/lib/node_modules/@stdlib/complex/float32/base/identity/benchmark/c/native/benchmark.c +++ b/lib/node_modules/@stdlib/complex/float32/base/identity/benchmark/c/native/benchmark.c @@ -17,7 +17,8 @@ */ #include "stdlib/complex/float32/base/identity.h" -#include +#include "stdlib/complex/float32/ctor.h" +#include "stdlib/complex/float32/reim.h" #include #include #include @@ -91,25 +92,29 @@ static float rand_float( void ) { * @return elapsed time in seconds */ static double benchmark( void ) { - float complex x; - float complex y; double elapsed; double t; + float re; + float im; float v; int i; + stdlib_complex64_t x; + stdlib_complex64_t y; + t = tic(); for ( i = 0; i < ITERATIONS; i++ ) { v = ( 1000.0f*rand_float() ) - 500.0f; - x = v + v*I; + x = stdlib_complex64( v, v ); y = stdlib_base_complex64_identity( x ); - if ( crealf( y ) != v ) { + stdlib_complex64_reim( y, &re, &im ); + if ( re != re ) { printf( "unexpected result\n" ); break; } } elapsed = tic() - t; - if ( cimagf( y ) != v ) { + if ( im != im ) { printf( "unexpected result\n" ); } return elapsed; diff --git a/lib/node_modules/@stdlib/complex/float32/base/identity/binding.gyp b/lib/node_modules/@stdlib/complex/float32/base/identity/binding.gyp new file mode 100644 index 000000000000..68a1ca11d160 --- /dev/null +++ b/lib/node_modules/@stdlib/complex/float32/base/identity/binding.gyp @@ -0,0 +1,170 @@ +# @license Apache-2.0 +# +# Copyright (c) 2025 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/complex/float32/base/identity/examples/c/example.c b/lib/node_modules/@stdlib/complex/float32/base/identity/examples/c/example.c index 4af6d82748ae..e012a5b29804 100644 --- a/lib/node_modules/@stdlib/complex/float32/base/identity/examples/c/example.c +++ b/lib/node_modules/@stdlib/complex/float32/base/identity/examples/c/example.c @@ -17,18 +17,30 @@ */ #include "stdlib/complex/float32/base/identity.h" +#include "stdlib/complex/float32/ctor.h" +#include "stdlib/complex/float32/reim.h" #include -#include int main( void ) { - float complex x[] = { 3.14f+1.0f*I, -3.14f-1.0f*I, 0.0f+0.0f*I, 0.0f/0.0f+0.0f/0.0f*I }; + const stdlib_complex64_t x[] = { + stdlib_complex64( 3.14f, 1.0f ), + stdlib_complex64( -3.14f, -1.0f ), + stdlib_complex64( 0.0f, 0.0f ), + stdlib_complex64( 0.0f/0.0f, 0.0f/0.0f ) + }; - float complex v; - float complex y; + stdlib_complex64_t v; + stdlib_complex64_t y; + float re1; + float im1; + float re2; + float im2; int i; for ( i = 0; i < 4; i++ ) { v = x[ i ]; y = stdlib_base_complex64_identity( v ); - printf( "f(%f + %f) = %f + %f\n", crealf( v ), cimagf( v ), crealf( y ), cimagf( y ) ); + stdlib_complex64_reim( v, &re1, &im1 ); + stdlib_complex64_reim( y, &re2, &im2 ); + printf( "cidentity(%f + %fi) = %f + %fi\n", re1, im1, re2, im2 ); } } diff --git a/lib/node_modules/@stdlib/complex/float32/base/identity/include.gypi b/lib/node_modules/@stdlib/complex/float32/base/identity/include.gypi new file mode 100644 index 000000000000..ecfaf82a3279 --- /dev/null +++ b/lib/node_modules/@stdlib/complex/float32/base/identity/include.gypi @@ -0,0 +1,53 @@ +# @license Apache-2.0 +# +# Copyright (c) 2025 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': [ + ' +#include "stdlib/complex/float32/ctor.h" /* * If C++, prevent name mangling so that the compiler emits a binary file having undecorated names, thus mirroring the behavior of a C compiler. @@ -31,7 +31,7 @@ extern "C" { /** * Evaluates the identity function for a single-precision complex floating-point number. */ -float complex stdlib_base_complex64_identity( const float complex z ); +stdlib_complex64_t stdlib_base_complex64_identity( const stdlib_complex64_t z ); #ifdef __cplusplus } diff --git a/lib/node_modules/@stdlib/complex/float32/base/identity/lib/native.js b/lib/node_modules/@stdlib/complex/float32/base/identity/lib/native.js new file mode 100644 index 000000000000..4546301627c0 --- /dev/null +++ b/lib/node_modules/@stdlib/complex/float32/base/identity/lib/native.js @@ -0,0 +1,58 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2025 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 Complex64 = require( '@stdlib/complex/float32/ctor' ); +var addon = require( './../src/addon.node' ); + + +// MAIN // + +/** +* Evaluates the identity function for a single-precision complex floating-point number. +* +* @private +* @param {Complex64} z - input value +* @returns {Complex64} input value +* +* @example +* var Complex64 = require( '@stdlib/complex/float32/ctor' ); +* var real = require( '@stdlib/complex/float32/real' ); +* var imag = require( '@stdlib/complex/float32/imag' ); +* +* var v = cidentityf( new Complex64( -1.0, 2.0 ) ); +* // returns +* +* var re = real( v ); +* // returns -1.0 +* +* var im = imag( v ); +* // returns 2.0 +*/ +function cidentityf( z ) { + var v = addon( z ); + return new Complex64( v.re, v.im ); +} + + +// EXPORTS // + +module.exports = cidentityf; diff --git a/lib/node_modules/@stdlib/complex/float32/base/identity/manifest.json b/lib/node_modules/@stdlib/complex/float32/base/identity/manifest.json index 04e61e361caa..b36aa0ccd4c6 100644 --- a/lib/node_modules/@stdlib/complex/float32/base/identity/manifest.json +++ b/lib/node_modules/@stdlib/complex/float32/base/identity/manifest.json @@ -1,5 +1,7 @@ { - "options": {}, + "options": { + "task": "build" + }, "fields": [ { "field": "src", @@ -24,6 +26,7 @@ ], "confs": [ { + "task": "build", "src": [ "./src/main.c" ], @@ -32,7 +35,41 @@ ], "libraries": [], "libpath": [], - "dependencies": [] + "dependencies": [ + "@stdlib/math/base/napi/unary", + "@stdlib/complex/float32/ctor", + "@stdlib/complex/float32/reim" + ] + }, + { + "task": "benchmark", + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/complex/float32/ctor", + "@stdlib/complex/float32/reim" + ] + }, + { + "task": "examples", + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/complex/float32/ctor", + "@stdlib/complex/float32/reim" + ] } ] } diff --git a/lib/node_modules/@stdlib/complex/float32/base/identity/package.json b/lib/node_modules/@stdlib/complex/float32/base/identity/package.json index 527c639b3792..7a8bf105baac 100644 --- a/lib/node_modules/@stdlib/complex/float32/base/identity/package.json +++ b/lib/node_modules/@stdlib/complex/float32/base/identity/package.json @@ -14,6 +14,7 @@ } ], "main": "./lib", + "gypfile": true, "directories": { "benchmark": "./benchmark", "doc": "./docs", diff --git a/lib/node_modules/@stdlib/complex/float32/base/identity/src/Makefile b/lib/node_modules/@stdlib/complex/float32/base/identity/src/Makefile new file mode 100644 index 000000000000..7733b6180cb4 --- /dev/null +++ b/lib/node_modules/@stdlib/complex/float32/base/identity/src/Makefile @@ -0,0 +1,70 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2025 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/complex/float32/base/identity/src/addon.c b/lib/node_modules/@stdlib/complex/float32/base/identity/src/addon.c new file mode 100644 index 000000000000..fd670f5b7ca4 --- /dev/null +++ b/lib/node_modules/@stdlib/complex/float32/base/identity/src/addon.c @@ -0,0 +1,23 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2025 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/complex/float32/base/identity.h" +#include "stdlib/math/base/napi/unary.h" + +// cppcheck-suppress shadowFunction +STDLIB_MATH_BASE_NAPI_MODULE_C_C( stdlib_base_complex64_identity ) diff --git a/lib/node_modules/@stdlib/complex/float32/base/identity/src/main.c b/lib/node_modules/@stdlib/complex/float32/base/identity/src/main.c index b3447580df8c..5efeb784be10 100644 --- a/lib/node_modules/@stdlib/complex/float32/base/identity/src/main.c +++ b/lib/node_modules/@stdlib/complex/float32/base/identity/src/main.c @@ -17,7 +17,7 @@ */ #include "stdlib/complex/float32/base/identity.h" -#include +#include "stdlib/complex/float32/ctor.h" /** * Evaluates the identity function for a single-precision complex floating-point number. @@ -26,8 +26,19 @@ * @return input value * * @example -* float complex y = stdlib_base_complex64_identity( 3.0f+3.0f*I ); +* #include "stdlib/complex/float32/ctor.h" +* #include "stdlib/complex/float32/real.h" +* #include "stdlib/complex/float32/imag.h" +* +* stdlib_complex64_t z = stdlib_complex64( 3.0f, 3.0f ); +* stdlib_complex64_t out = stdlib_base_complex64_identity( z ); +* +* float re = stdlib_complex64_real( out ); +* // returns 3.0f +* +* float im = stdlib_complex64_imag( out ); +* // returns 3.0f */ -float complex stdlib_base_complex64_identity( const float complex z ) { +stdlib_complex64_t stdlib_base_complex64_identity( const stdlib_complex64_t z ) { return z; } diff --git a/lib/node_modules/@stdlib/complex/float32/base/identity/test/test.native.js b/lib/node_modules/@stdlib/complex/float32/base/identity/test/test.native.js new file mode 100644 index 000000000000..05e7f533775e --- /dev/null +++ b/lib/node_modules/@stdlib/complex/float32/base/identity/test/test.native.js @@ -0,0 +1,126 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2025 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 isPositiveZerof = require( '@stdlib/math/base/assert/is-positive-zerof' ); +var isNegativeZerof = require( '@stdlib/math/base/assert/is-negative-zerof' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var PINF = require( '@stdlib/constants/float32/pinf' ); +var NINF = require( '@stdlib/constants/float32/ninf' ); +var Complex64 = require( '@stdlib/complex/float32/ctor' ); +var real = require( '@stdlib/complex/float32/real' ); +var imag = require( '@stdlib/complex/float32/imag' ); +var tryRequire = require( '@stdlib/utils/try-require' ); + + +// VARIABLES // + +var cidentityf = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( cidentityf instanceof Error ) +}; + + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof cidentityf, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function evaluates the identity function when provided a finite number', opts, function test( t ) { + var v; + + v = cidentityf( new Complex64( -2.0, 1.0 ) ); + t.equal( real( v ), -2.0, 'returns expected value' ); + t.equal( imag( v ), 1.0, 'returns expected value' ); + + v = cidentityf( new Complex64( 3.0, -2.0 ) ); + t.equal( real( v ), 3.0, 'returns expected value' ); + t.equal( imag( v ), -2.0, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function evaluates the identity function when provided +-zero', opts, function test( t ) { + var v; + + v = cidentityf( new Complex64( -0.0, -0.0 ) ); + t.equal( isNegativeZerof( real( v ) ), true, 'returns expected value' ); + t.equal( isNegativeZerof( imag( v ) ), true, 'returns expected value' ); + + v = cidentityf( new Complex64( 0.0, 0.0 ) ); + t.equal( isPositiveZerof( real( v ) ), true, 'returns expected value' ); + t.equal( isPositiveZerof( imag( v ) ), true, 'returns expected value' ); + + v = cidentityf( new Complex64( -0.0, 0.0 ) ); + t.equal( isNegativeZerof( real( v ) ), true, 'returns expected value' ); + t.equal( isPositiveZerof( imag( v ) ), true, 'returns expected value' ); + + v = cidentityf( new Complex64( 0.0, -0.0 ) ); + t.equal( isPositiveZerof( real( v ) ), true, 'returns expected value' ); + t.equal( isNegativeZerof( imag( v ) ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function evaluates the identity function when provided +-infinity', opts, function test( t ) { + var v; + + v = cidentityf( new Complex64( PINF, PINF ) ); + t.equal( real( v ), PINF, 'returns expected value' ); + t.equal( imag( v ), PINF, 'returns expected value' ); + + v = cidentityf( new Complex64( NINF, NINF ) ); + t.equal( real( v ), NINF, 'returns expected value' ); + t.equal( imag( v ), NINF, 'returns expected value' ); + + v = cidentityf( new Complex64( NINF, PINF ) ); + t.equal( real( v ), NINF, 'returns expected value' ); + t.equal( imag( v ), PINF, 'returns expected value' ); + + v = cidentityf( new Complex64( PINF, NINF ) ); + t.equal( real( v ), PINF, 'returns expected value' ); + t.equal( imag( v ), NINF, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function evaluates the identity function when provided `NaN`', opts, function test( t ) { + var v; + + v = cidentityf( new Complex64( NaN, NaN ) ); + t.equal( isnanf( real( v ) ), true, 'returns expected value' ); + t.equal( isnanf( imag( v ) ), true, 'returns expected value' ); + + v = cidentityf( new Complex64( 1.0, NaN ) ); + t.equal( real( v ), 1.0, 'returns expected value' ); + t.equal( isnanf( imag( v ) ), true, 'returns expected value' ); + + v = cidentityf( new Complex64( NaN, 1.0 ) ); + t.equal( isnanf( real( v ) ), true, 'returns expected value' ); + t.equal( imag( v ), 1.0, 'returns expected value' ); + + t.end(); +});