From ad76d33ab5f91f5d79c739efc65413f6a4efe82b Mon Sep 17 00:00:00 2001 From: the-r3aper7 Date: Fri, 8 Mar 2024 20:15:36 +0530 Subject: [PATCH 1/7] feat: add math/base/special/cosd --- .../@stdlib/math/base/special/cosd/README.md | 109 ++++++++++++++++++ .../base/special/cosd/benchmark/benchmark.js | 51 ++++++++ .../math/base/special/cosd/docs/repl.txt | 28 +++++ .../base/special/cosd/docs/types/index.d.ts | 48 ++++++++ .../math/base/special/cosd/docs/types/test.ts | 44 +++++++ .../math/base/special/cosd/examples/index.js | 29 +++++ .../math/base/special/cosd/lib/index.js | 49 ++++++++ .../math/base/special/cosd/lib/main.js | 67 +++++++++++ .../math/base/special/cosd/package.json | 69 +++++++++++ .../math/base/special/cosd/test/test.js | 54 +++++++++ 10 files changed, 548 insertions(+) create mode 100644 lib/node_modules/@stdlib/math/base/special/cosd/README.md create mode 100644 lib/node_modules/@stdlib/math/base/special/cosd/benchmark/benchmark.js create mode 100644 lib/node_modules/@stdlib/math/base/special/cosd/docs/repl.txt create mode 100644 lib/node_modules/@stdlib/math/base/special/cosd/docs/types/index.d.ts create mode 100644 lib/node_modules/@stdlib/math/base/special/cosd/docs/types/test.ts create mode 100644 lib/node_modules/@stdlib/math/base/special/cosd/examples/index.js create mode 100644 lib/node_modules/@stdlib/math/base/special/cosd/lib/index.js create mode 100644 lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js create mode 100644 lib/node_modules/@stdlib/math/base/special/cosd/package.json create mode 100644 lib/node_modules/@stdlib/math/base/special/cosd/test/test.js diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/README.md b/lib/node_modules/@stdlib/math/base/special/cosd/README.md new file mode 100644 index 000000000000..9abeb7f31c32 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/cosd/README.md @@ -0,0 +1,109 @@ + + +# Cosine + +> Evaluate the [cosine][trigonometric-functions] of degree. + +
+ +
+ +
+ +## Usage + +```javascript +var cosd = require( '@stdlib/math/base/special/cosd' ); +``` + +#### cosd( x ) + +Evaluates the [cosine][trigonometric-functions] of `x` (in degree). + +```javascript +var v = cosd( 0.0 ); +// returns 1.0 + +v = cosd( 60 ); +// returns 0.5000000000000001 + +v = cosd( 90 ); +// returns 0.0 + +v = cosd( NaN ); +// returns NaN +``` + +
+ + + +
+ +## Examples + + + +```javascript +var linspace = require( '@stdlib/array/base/linspace' ); +var cosd = require( '@stdlib/math/base/special/cosd' ); + +var x = linspace( -180, 180, 100 ); + +var i; +for ( i = 0; i < x.length; i++ ) { + console.log( cosd( x[ i ] ) ); +} +``` + +
+ + + + + +
+ +* * * + +## See Also + +- [`@stdlib/math/base/special/cos`][@stdlib/math/base/special/cos]: evaluate the cosine of degree. + +
+ + + + + +
+ +[trigonometric-functions]: https://en.wikipedia.org/wiki/Trigonometric_functions + + + +[@stdlib/math/base/special/cos]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/cos + + + +
+ + diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/benchmark/benchmark.js b/lib/node_modules/@stdlib/math/base/special/cosd/benchmark/benchmark.js new file mode 100644 index 000000000000..add5c2b55e67 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/cosd/benchmark/benchmark.js @@ -0,0 +1,51 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 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 randu = require( '@stdlib/random/base/randu' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var pkg = require( './../package.json' ).name; +var cosd = require( './../lib' ); + + +// MAIN // + +bench( pkg, function benchmark( b ) { + var x; + var y; + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + x = ( randu()*10.0 ) - 5.0; + y = cosd( x ); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/docs/repl.txt b/lib/node_modules/@stdlib/math/base/special/cosd/docs/repl.txt new file mode 100644 index 000000000000..b6b612fa2a1f --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/cosd/docs/repl.txt @@ -0,0 +1,28 @@ + +{{alias}}( x ) + Computes the cosine of degree. + + Parameters + ---------- + x: number + Input value (in degree). + + Returns + ------- + y: number + Cosine. + + Examples + -------- + > var y = {{alias}}( 0.0 ) + 1.0 + > y = {{alias}}( 90 ) + 0.0 + > y = {{alias}}( 60 ) + 0.5000000000000001 + > y = {{alias}}( NaN ) + NaN + + See Also + -------- + diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/index.d.ts b/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/index.d.ts new file mode 100644 index 000000000000..a99cf98afd33 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/index.d.ts @@ -0,0 +1,48 @@ +/* +* @license Apache-2.0 +* +* Copyright (c) 2024 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 + +/** +* Evaluates the cosine of degree. +* +* @param x - input value (in degree) +* @returns cosine + * + * @example + * var v = cosd( 0.0 ); + * // returns 1.0 + * + * @example + * var v = cosd( 60 ); + * // returns 0.5000000000000001 + * + * @example + * var v = cosd( 90 ); + * // returns 0 + * + * @example + * var v = cosd( NaN ); + * // returns NaN +*/ +declare function cosd( x: number ): number; + + +// EXPORTS // + +export = cosd; diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/test.ts b/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/test.ts new file mode 100644 index 000000000000..98ca1e4e20cf --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/test.ts @@ -0,0 +1,44 @@ +/* +* @license Apache-2.0 +* +* Copyright (c) 2024 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 cosd = require( './index' ); + + +// TESTS // + +// The function returns a number... +{ + cosd( 2 ); // $ExpectType number +} + +// The compiler throws an error if the function is provided a value other than a number... +{ + cosd( true ); // $ExpectError + cosd( false ); // $ExpectError + cosd( null ); // $ExpectError + cosd( undefined ); // $ExpectError + cosd( '5' ); // $ExpectError + cosd( [] ); // $ExpectError + cosd( {} ); // $ExpectError + cosd( ( x: number ): number => x ); // $ExpectError +} + +// The compiler throws an error if the function is provided insufficient arguments... +{ + cosd(); // $ExpectError +} diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/examples/index.js b/lib/node_modules/@stdlib/math/base/special/cosd/examples/index.js new file mode 100644 index 000000000000..2684fa18be4a --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/cosd/examples/index.js @@ -0,0 +1,29 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 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 linspace = require( '@stdlib/array/base/linspace' ); +var cosd = require( './../lib' ); + +var x = linspace( -180, 180, 100 ); + +var i; +for ( i = 0; i < x.length; i++ ) { + console.log( 'cosd(%d) = %d', x[ i ], cosd( x[ i ] ) ); +} diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/lib/index.js b/lib/node_modules/@stdlib/math/base/special/cosd/lib/index.js new file mode 100644 index 000000000000..f621bc97a56c --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/cosd/lib/index.js @@ -0,0 +1,49 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 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'; + +/** +* Evaluate the cosine of degree. +* +* @module @stdlib/math/base/special/cosd +* +* @example +* var cosd = require( '@stdlib/math/base/special/cosd' ); +* +* var v = cosd( 0.0 ); +* // returns 1.0 +* +* v = cosd( 90 ); +* // returns 0.0 +* +* v = cosd( 60 ); +* // returns 0.5000000000000001 +* +* v = cosd( NaN ); +* // returns NaN +*/ + +// MODULES // + +var main = require( './main.js' ); + + +// EXPORTS // + +module.exports = main; diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js b/lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js new file mode 100644 index 000000000000..dd0773fd1314 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js @@ -0,0 +1,67 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 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 cos = require( '@stdlib/math/base/special/cos' ); +var deg2rad = require( '@stdlib/math/base/special/deg2rad' ); +var isInteger = require( '@stdlib/math/base/assert/is-integer' ); + + +// MAIN // + +/** +* Evaluates the cosine of degree. +* +* @param {number} x - input value (in degree) +* @returns {number} cosine +* +* @example +* var v = cosd( 0.0 ); +* // returns 1.0 +* +* @example +* var v = cosd( 90 ); +* // returns 0.0 +* +* @example +* var v = cosd( 60 ); +* // returns 0.5000000000000001 +* +* @example +* var v = cosd( NaN ); +* // returns NaN +*/ +function cosd( x ) { + var xRad; + + if (isInteger(((x / 90) + 1) / 2)) { + return 0; + } + + xRad = deg2rad(x); + + return cos(xRad); +} + + +// EXPORTS // + +module.exports = cosd; diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/package.json b/lib/node_modules/@stdlib/math/base/special/cosd/package.json new file mode 100644 index 000000000000..fae71d764c8c --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/cosd/package.json @@ -0,0 +1,69 @@ +{ + "name": "@stdlib/math/base/special/cosd", + "version": "0.0.0", + "description": "Evaluate the cosine of degree.", + "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", + "directories": { + "benchmark": "./benchmark", + "doc": "./docs", + "example": "./examples", + "lib": "./lib", + "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", + "degree", + "cot", + "cotd", + "cotangent", + "tan", + "tangent", + "sin", + "sine", + "cos", + "cosine", + "trig", + "trigonometry" + ] +} diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/test/test.js b/lib/node_modules/@stdlib/math/base/special/cosd/test/test.js new file mode 100644 index 000000000000..825375c521c8 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/cosd/test/test.js @@ -0,0 +1,54 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 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 isnan = require( '@stdlib/math/base/assert/is-nan' ); +var PINF = require( '@stdlib/constants/float64/pinf' ); +var NINF = require( '@stdlib/constants/float64/ninf' ); +var cosd = require( './../lib' ); + + +// TESTS // + +tape( 'main export is a function', function test( t ) { + t.ok( true, __filename ); + t.true( typeof cosd, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'if provided a `NaN`, the function returns `NaN`', function test( t ) { + var v = cosd( NaN ); + t.equal( isnan( v ), true, 'returns NaN' ); + t.end(); +}); + +tape( 'if provided `+infinity`, the function returns `NaN`', function test( t ) { + var v = cosd( PINF ); + t.equal( isnan( v ), true, 'returns NaN' ); + t.end(); +}); + +tape( 'if provided `-infinity`, the function returns `NaN`', function test( t ) { + var v = cosd( NINF ); + t.equal( isnan( v ), true, 'returns NaN' ); + t.end(); +}); From b3ec0e314ce77c7cc9582227e9481ded66fe7de0 Mon Sep 17 00:00:00 2001 From: the-r3aper7 Date: Sun, 10 Mar 2024 00:52:39 +0530 Subject: [PATCH 2/7] feat: add math/base/special/cosd --- .../@stdlib/math/base/special/cosd/README.md | 14 +--- .../math/base/special/cosd/docs/repl.txt | 4 +- .../base/special/cosd/docs/types/index.d.ts | 4 +- .../math/base/special/cosd/docs/types/test.ts | 2 +- .../math/base/special/cosd/lib/index.js | 4 +- .../math/base/special/cosd/lib/main.js | 6 +- .../math/base/special/cosd/package.json | 3 +- .../special/cosd/test/fixtures/julia/REQUIRE | 2 + .../cosd/test/fixtures/julia/negative.json | 1 + .../cosd/test/fixtures/julia/positive.json | 1 + .../cosd/test/fixtures/julia/runner.jl | 69 +++++++++++++++++++ .../math/base/special/cosd/test/test.js | 56 +++++++++++++++ 12 files changed, 143 insertions(+), 23 deletions(-) create mode 100644 lib/node_modules/@stdlib/math/base/special/cosd/test/fixtures/julia/REQUIRE create mode 100644 lib/node_modules/@stdlib/math/base/special/cosd/test/fixtures/julia/negative.json create mode 100644 lib/node_modules/@stdlib/math/base/special/cosd/test/fixtures/julia/positive.json create mode 100644 lib/node_modules/@stdlib/math/base/special/cosd/test/fixtures/julia/runner.jl diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/README.md b/lib/node_modules/@stdlib/math/base/special/cosd/README.md index 9abeb7f31c32..518309baa98e 100644 --- a/lib/node_modules/@stdlib/math/base/special/cosd/README.md +++ b/lib/node_modules/@stdlib/math/base/special/cosd/README.md @@ -18,9 +18,9 @@ limitations under the License. --> -# Cosine +# cosd -> Evaluate the [cosine][trigonometric-functions] of degree. +> Evaluate the [cosine][trigonometric-functions] of a degree.
@@ -43,7 +43,7 @@ var v = cosd( 0.0 ); // returns 1.0 v = cosd( 60 ); -// returns 0.5000000000000001 +// returns ~0.5 v = cosd( 90 ); // returns 0.0 @@ -82,12 +82,6 @@ for ( i = 0; i < x.length; i++ ) {
-* * * - -## See Also - -- [`@stdlib/math/base/special/cos`][@stdlib/math/base/special/cos]: evaluate the cosine of degree. -
@@ -100,8 +94,6 @@ for ( i = 0; i < x.length; i++ ) { -[@stdlib/math/base/special/cos]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/cos -
diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/docs/repl.txt b/lib/node_modules/@stdlib/math/base/special/cosd/docs/repl.txt index b6b612fa2a1f..4aa375a29838 100644 --- a/lib/node_modules/@stdlib/math/base/special/cosd/docs/repl.txt +++ b/lib/node_modules/@stdlib/math/base/special/cosd/docs/repl.txt @@ -1,6 +1,6 @@ {{alias}}( x ) - Computes the cosine of degree. + Computes the cosine of a degree. Parameters ---------- @@ -19,7 +19,7 @@ > y = {{alias}}( 90 ) 0.0 > y = {{alias}}( 60 ) - 0.5000000000000001 + ~0.5 > y = {{alias}}( NaN ) NaN diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/index.d.ts b/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/index.d.ts index a99cf98afd33..99f8a2bc50ba 100644 --- a/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/index.d.ts +++ b/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/index.d.ts @@ -19,7 +19,7 @@ // TypeScript Version: 4.1 /** -* Evaluates the cosine of degree. +* Evaluates the cosine of a degree. * * @param x - input value (in degree) * @returns cosine @@ -30,7 +30,7 @@ * * @example * var v = cosd( 60 ); - * // returns 0.5000000000000001 + * // returns ~0.5 * * @example * var v = cosd( 90 ); diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/test.ts b/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/test.ts index 98ca1e4e20cf..e2a8099c7555 100644 --- a/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/test.ts +++ b/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/test.ts @@ -23,7 +23,7 @@ import cosd = require( './index' ); // The function returns a number... { - cosd( 2 ); // $ExpectType number + cosd( 60 ); // $ExpectType number } // The compiler throws an error if the function is provided a value other than a number... diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/lib/index.js b/lib/node_modules/@stdlib/math/base/special/cosd/lib/index.js index f621bc97a56c..d49bccd18d40 100644 --- a/lib/node_modules/@stdlib/math/base/special/cosd/lib/index.js +++ b/lib/node_modules/@stdlib/math/base/special/cosd/lib/index.js @@ -19,7 +19,7 @@ 'use strict'; /** -* Evaluate the cosine of degree. +* Evaluate the cosine of a degree. * * @module @stdlib/math/base/special/cosd * @@ -33,7 +33,7 @@ * // returns 0.0 * * v = cosd( 60 ); -* // returns 0.5000000000000001 +* // returns ~0.5 * * v = cosd( NaN ); * // returns NaN diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js b/lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js index dd0773fd1314..e8e5718878b6 100644 --- a/lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js +++ b/lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js @@ -28,7 +28,7 @@ var isInteger = require( '@stdlib/math/base/assert/is-integer' ); // MAIN // /** -* Evaluates the cosine of degree. +* Evaluates the cosine of a degree. * * @param {number} x - input value (in degree) * @returns {number} cosine @@ -43,7 +43,7 @@ var isInteger = require( '@stdlib/math/base/assert/is-integer' ); * * @example * var v = cosd( 60 ); -* // returns 0.5000000000000001 +* // returns ~0.5 * * @example * var v = cosd( NaN ); @@ -52,7 +52,7 @@ var isInteger = require( '@stdlib/math/base/assert/is-integer' ); function cosd( x ) { var xRad; - if (isInteger(((x / 90) + 1) / 2)) { + if (isInteger(((x / 90) + 1) / 2) || Infinity < x || -Infinity > x) { return 0; } diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/package.json b/lib/node_modules/@stdlib/math/base/special/cosd/package.json index fae71d764c8c..45e4a27630d9 100644 --- a/lib/node_modules/@stdlib/math/base/special/cosd/package.json +++ b/lib/node_modules/@stdlib/math/base/special/cosd/package.json @@ -1,7 +1,7 @@ { "name": "@stdlib/math/base/special/cosd", "version": "0.0.0", - "description": "Evaluate the cosine of degree.", + "description": "Evaluate the cosine of a degree.", "license": "Apache-2.0", "author": { "name": "The Stdlib Authors", @@ -56,7 +56,6 @@ "degree", "cot", "cotd", - "cotangent", "tan", "tangent", "sin", diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/test/fixtures/julia/REQUIRE b/lib/node_modules/@stdlib/math/base/special/cosd/test/fixtures/julia/REQUIRE new file mode 100644 index 000000000000..ae40bf736408 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/cosd/test/fixtures/julia/REQUIRE @@ -0,0 +1,2 @@ +julia 1.5 +JSON 0.21 \ No newline at end of file diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/test/fixtures/julia/negative.json b/lib/node_modules/@stdlib/math/base/special/cosd/test/fixtures/julia/negative.json new file mode 100644 index 000000000000..ee398a5c4c54 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/cosd/test/fixtures/julia/negative.json @@ -0,0 +1 @@ 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\ No newline at end of file diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/test/fixtures/julia/runner.jl b/lib/node_modules/@stdlib/math/base/special/cosd/test/fixtures/julia/runner.jl new file mode 100644 index 000000000000..927894ccc16c --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/cosd/test/fixtures/julia/runner.jl @@ -0,0 +1,69 @@ +#!/usr/bin/env julia +# +# @license Apache-2.0 +# +# Copyright (c) 2024 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 JSON + +""" + gen( domain, name ) + +Generate fixture data and write to file. + +# Arguments + +* `domain`: domain +* `name::AbstractString`: output filename + +# Examples + +``` julia +julia> x = range( -1, stop = 1, length = 2001 ); +julia> gen( x, \"data.json\" ); +``` +""" +function gen( domain, name ) + x = collect( domain ); + y = cosd.( x ); + + # Store data to be written to file as a collection: + data = Dict([ + ("x", x), + ("expected", y) + ]); + + # Based on the script directory, create an output filepath: + filepath = joinpath( dir, name ); + + # Write the data to the output filepath as JSON: + outfile = open( filepath, "w" ); + write( outfile, JSON.json(data) ); + close( outfile ); +end + +# Get the filename: +file = @__FILE__; + +# Extract the directory in which this file resides: +dir = dirname( file ); + +# Generate fixture data for negative values: +x = range( -10.0, stop = 0, length = 1000 ); +gen( x, "negative.json" ); + +# Generate fixture data for positive values: +x = range( 10.0, stop = 0, length = 1000 ); +gen( x, "positive.json" ); \ No newline at end of file diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/test/test.js b/lib/node_modules/@stdlib/math/base/special/cosd/test/test.js index 825375c521c8..6d7c607dba25 100644 --- a/lib/node_modules/@stdlib/math/base/special/cosd/test/test.js +++ b/lib/node_modules/@stdlib/math/base/special/cosd/test/test.js @@ -22,11 +22,19 @@ var tape = require( 'tape' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var abs = require( '@stdlib/math/base/special/abs' ); +var EPS = require( '@stdlib/constants/float64/eps' ); var PINF = require( '@stdlib/constants/float64/pinf' ); var NINF = require( '@stdlib/constants/float64/ninf' ); var cosd = require( './../lib' ); +// FIXTURES // + +var negative = require( './fixtures/julia/negative.json' ); +var positive = require( './fixtures/julia/positive.json' ); + + // TESTS // tape( 'main export is a function', function test( t ) { @@ -41,6 +49,54 @@ tape( 'if provided a `NaN`, the function returns `NaN`', function test( t ) { t.end(); }); +tape( 'the function computes the cosine (negative values)', function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + + x = negative.x; + expected = negative.expected; + + for ( i = 0; i < x.length; i++ ) { + y = cosd( x[i] ); + if ( y === expected[ i ] ) { + t.equal( y, expected[ i ], 'x: '+x[i]+'. E: '+expected[i] ); + } else { + delta = abs( y - expected[i] ); + tol = EPS * abs( expected[i] ); + t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' ); + } + } + t.end(); +}); + +tape( 'the function computes the cosine (positive values)', function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + + x = positive.x; + expected = positive.expected; + + for ( i = 0; i < x.length; i++ ) { + y = cosd( x[i] ); + if ( y === expected[ i ] ) { + t.equal( y, expected[ i ], 'x: '+x[i]+'. E: '+expected[i] ); + } else { + delta = abs( y - expected[i] ); + tol = EPS * abs( expected[i] ); + t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' ); + } + } + t.end(); +}); + tape( 'if provided `+infinity`, the function returns `NaN`', function test( t ) { var v = cosd( PINF ); t.equal( isnan( v ), true, 'returns NaN' ); From 9c9e2e4b065e9f8adf582d577ef809af96b21add Mon Sep 17 00:00:00 2001 From: the-r3aper7 Date: Sun, 10 Mar 2024 01:32:10 +0530 Subject: [PATCH 3/7] feat: add math/base/special/cosd --- lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js b/lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js index e8e5718878b6..5e0a0c6d1d88 100644 --- a/lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js +++ b/lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js @@ -52,7 +52,11 @@ var isInteger = require( '@stdlib/math/base/assert/is-integer' ); function cosd( x ) { var xRad; - if (isInteger(((x / 90) + 1) / 2) || Infinity < x || -Infinity > x) { + if (x === Infinity || x === -Infinity) { + return NaN; + } + + if (isInteger(((x / 90) - 1) / 2)) { return 0; } From f4a39fa6eb9c82988f07d15fabc11c74bbcf8bf6 Mon Sep 17 00:00:00 2001 From: Sai Srikar Dumpeti <80447788+the-r3aper7@users.noreply.github.com> Date: Mon, 11 Mar 2024 07:48:51 +0530 Subject: [PATCH 4/7] Update test.js Signed-off-by: Sai Srikar Dumpeti <80447788+the-r3aper7@users.noreply.github.com> --- lib/node_modules/@stdlib/math/base/special/cosd/test/test.js | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/test/test.js b/lib/node_modules/@stdlib/math/base/special/cosd/test/test.js index 6d7c607dba25..d4dc53be7508 100644 --- a/lib/node_modules/@stdlib/math/base/special/cosd/test/test.js +++ b/lib/node_modules/@stdlib/math/base/special/cosd/test/test.js @@ -49,7 +49,7 @@ tape( 'if provided a `NaN`, the function returns `NaN`', function test( t ) { t.end(); }); -tape( 'the function computes the cosine (negative values)', function test( t ) { +tape( 'the function computes the cosine in degrees (negative values)', function test( t ) { var expected; var delta; var tol; @@ -73,7 +73,7 @@ tape( 'the function computes the cosine (negative values)', function test( t ) { t.end(); }); -tape( 'the function computes the cosine (positive values)', function test( t ) { +tape( 'the function computes the cosine in degrees (positive values)', function test( t ) { var expected; var delta; var tol; From b3c11088918313904878ab3e67f7f5b43d411bda Mon Sep 17 00:00:00 2001 From: the-r3aper7 Date: Tue, 12 Mar 2024 22:05:24 +0530 Subject: [PATCH 5/7] feat: add math/base/special/cosd --- .../@stdlib/math/base/special/cosd/README.md | 4 ++-- .../@stdlib/math/base/special/cosd/docs/repl.txt | 4 ++-- .../math/base/special/cosd/docs/types/index.d.ts | 4 ++-- .../@stdlib/math/base/special/cosd/lib/index.js | 2 +- .../@stdlib/math/base/special/cosd/lib/main.js | 12 ++++++------ .../@stdlib/math/base/special/cosd/package.json | 2 +- .../@stdlib/math/base/special/cosd/test/test.js | 4 ++-- 7 files changed, 16 insertions(+), 16 deletions(-) diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/README.md b/lib/node_modules/@stdlib/math/base/special/cosd/README.md index 518309baa98e..a086c5b10349 100644 --- a/lib/node_modules/@stdlib/math/base/special/cosd/README.md +++ b/lib/node_modules/@stdlib/math/base/special/cosd/README.md @@ -20,7 +20,7 @@ limitations under the License. # cosd -> Evaluate the [cosine][trigonometric-functions] of a degree. +> Computes the [cosine][trigonometric-functions] of an angle measured in degrees.
@@ -36,7 +36,7 @@ var cosd = require( '@stdlib/math/base/special/cosd' ); #### cosd( x ) -Evaluates the [cosine][trigonometric-functions] of `x` (in degree). +Computes the [cosine][trigonometric-functions] of `x` (in degrees). ```javascript var v = cosd( 0.0 ); diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/docs/repl.txt b/lib/node_modules/@stdlib/math/base/special/cosd/docs/repl.txt index 4aa375a29838..7f07f8a57fdc 100644 --- a/lib/node_modules/@stdlib/math/base/special/cosd/docs/repl.txt +++ b/lib/node_modules/@stdlib/math/base/special/cosd/docs/repl.txt @@ -1,11 +1,11 @@ {{alias}}( x ) - Computes the cosine of a degree. + Computes the cosine of an angle measured in degrees. Parameters ---------- x: number - Input value (in degree). + Input value (in degrees). Returns ------- diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/index.d.ts b/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/index.d.ts index 99f8a2bc50ba..e227f8947863 100644 --- a/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/index.d.ts +++ b/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/index.d.ts @@ -19,9 +19,9 @@ // TypeScript Version: 4.1 /** -* Evaluates the cosine of a degree. +* Computes the cosine of an angle measured in degrees. * -* @param x - input value (in degree) +* @param x - input value (in degrees) * @returns cosine * * @example diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/lib/index.js b/lib/node_modules/@stdlib/math/base/special/cosd/lib/index.js index d49bccd18d40..f2143a6ea3bd 100644 --- a/lib/node_modules/@stdlib/math/base/special/cosd/lib/index.js +++ b/lib/node_modules/@stdlib/math/base/special/cosd/lib/index.js @@ -19,7 +19,7 @@ 'use strict'; /** -* Evaluate the cosine of a degree. +* Compute the cosine of an angle measured in degrees. * * @module @stdlib/math/base/special/cosd * diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js b/lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js index 5e0a0c6d1d88..2bbfdf7ae297 100644 --- a/lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js +++ b/lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js @@ -28,9 +28,9 @@ var isInteger = require( '@stdlib/math/base/assert/is-integer' ); // MAIN // /** -* Evaluates the cosine of a degree. +* Computes the cosine of an angle measured in degrees. * -* @param {number} x - input value (in degree) +* @param {number} x - input value (in degrees) * @returns {number} cosine * * @example @@ -52,17 +52,17 @@ var isInteger = require( '@stdlib/math/base/assert/is-integer' ); function cosd( x ) { var xRad; - if (x === Infinity || x === -Infinity) { + if ( x === Infinity || x === -Infinity ) { return NaN; } - if (isInteger(((x / 90) - 1) / 2)) { + if ( isInteger( ( ( x / 90 ) - 1 ) / 2 ) ) { return 0; } - xRad = deg2rad(x); + xRad = deg2rad( x ); - return cos(xRad); + return cos( xRad ); } diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/package.json b/lib/node_modules/@stdlib/math/base/special/cosd/package.json index 45e4a27630d9..c49c90436982 100644 --- a/lib/node_modules/@stdlib/math/base/special/cosd/package.json +++ b/lib/node_modules/@stdlib/math/base/special/cosd/package.json @@ -1,7 +1,7 @@ { "name": "@stdlib/math/base/special/cosd", "version": "0.0.0", - "description": "Evaluate the cosine of a degree.", + "description": "Compute the cosine of an angle measured in degrees.", "license": "Apache-2.0", "author": { "name": "The Stdlib Authors", diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/test/test.js b/lib/node_modules/@stdlib/math/base/special/cosd/test/test.js index d4dc53be7508..8e548ce54733 100644 --- a/lib/node_modules/@stdlib/math/base/special/cosd/test/test.js +++ b/lib/node_modules/@stdlib/math/base/special/cosd/test/test.js @@ -49,7 +49,7 @@ tape( 'if provided a `NaN`, the function returns `NaN`', function test( t ) { t.end(); }); -tape( 'the function computes the cosine in degrees (negative values)', function test( t ) { +tape( 'the function computes the cosine of an angle measured in degrees.(negative values)', function test( t ) { var expected; var delta; var tol; @@ -73,7 +73,7 @@ tape( 'the function computes the cosine in degrees (negative values)', function t.end(); }); -tape( 'the function computes the cosine in degrees (positive values)', function test( t ) { +tape( 'the function computes the cosine of an angle measured in degrees. (positive values)', function test( t ) { var expected; var delta; var tol; From eb1305fc052b32ac1ccfadb37a7e83363b1b49cf Mon Sep 17 00:00:00 2001 From: the-r3aper7 Date: Wed, 13 Mar 2024 08:20:20 +0530 Subject: [PATCH 6/7] feat: add math/base/special/cosd --- .../@stdlib/math/base/special/cosd/README.md | 4 ++-- .../@stdlib/math/base/special/cosd/docs/repl.txt | 4 ++-- .../@stdlib/math/base/special/cosd/docs/types/index.d.ts | 4 ++-- .../@stdlib/math/base/special/cosd/docs/types/test.ts | 2 +- .../@stdlib/math/base/special/cosd/lib/index.js | 4 ++-- .../@stdlib/math/base/special/cosd/lib/main.js | 9 +++++---- 6 files changed, 14 insertions(+), 13 deletions(-) diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/README.md b/lib/node_modules/@stdlib/math/base/special/cosd/README.md index a086c5b10349..075e7711c4e3 100644 --- a/lib/node_modules/@stdlib/math/base/special/cosd/README.md +++ b/lib/node_modules/@stdlib/math/base/special/cosd/README.md @@ -42,10 +42,10 @@ Computes the [cosine][trigonometric-functions] of `x` (in degrees). var v = cosd( 0.0 ); // returns 1.0 -v = cosd( 60 ); +v = cosd( 60.0 ); // returns ~0.5 -v = cosd( 90 ); +v = cosd( 90.0 ); // returns 0.0 v = cosd( NaN ); diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/docs/repl.txt b/lib/node_modules/@stdlib/math/base/special/cosd/docs/repl.txt index 7f07f8a57fdc..f787117ef912 100644 --- a/lib/node_modules/@stdlib/math/base/special/cosd/docs/repl.txt +++ b/lib/node_modules/@stdlib/math/base/special/cosd/docs/repl.txt @@ -16,9 +16,9 @@ -------- > var y = {{alias}}( 0.0 ) 1.0 - > y = {{alias}}( 90 ) + > y = {{alias}}( 90.0 ) 0.0 - > y = {{alias}}( 60 ) + > y = {{alias}}( 60.0 ) ~0.5 > y = {{alias}}( NaN ) NaN diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/index.d.ts b/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/index.d.ts index e227f8947863..e3fced8bcede 100644 --- a/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/index.d.ts +++ b/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/index.d.ts @@ -29,11 +29,11 @@ * // returns 1.0 * * @example - * var v = cosd( 60 ); + * var v = cosd( 60.0 ); * // returns ~0.5 * * @example - * var v = cosd( 90 ); + * var v = cosd( 90.0); * // returns 0 * * @example diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/test.ts b/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/test.ts index e2a8099c7555..417ef6af9526 100644 --- a/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/test.ts +++ b/lib/node_modules/@stdlib/math/base/special/cosd/docs/types/test.ts @@ -23,7 +23,7 @@ import cosd = require( './index' ); // The function returns a number... { - cosd( 60 ); // $ExpectType number + cosd( 60.0 ); // $ExpectType number } // The compiler throws an error if the function is provided a value other than a number... diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/lib/index.js b/lib/node_modules/@stdlib/math/base/special/cosd/lib/index.js index f2143a6ea3bd..4a2afdf399ef 100644 --- a/lib/node_modules/@stdlib/math/base/special/cosd/lib/index.js +++ b/lib/node_modules/@stdlib/math/base/special/cosd/lib/index.js @@ -29,10 +29,10 @@ * var v = cosd( 0.0 ); * // returns 1.0 * -* v = cosd( 90 ); +* v = cosd( 90.0 ); * // returns 0.0 * -* v = cosd( 60 ); +* v = cosd( 60.0 ); * // returns ~0.5 * * v = cosd( NaN ); diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js b/lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js index 2bbfdf7ae297..8f52d5379ece 100644 --- a/lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js +++ b/lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js @@ -23,6 +23,7 @@ var cos = require( '@stdlib/math/base/special/cos' ); var deg2rad = require( '@stdlib/math/base/special/deg2rad' ); var isInteger = require( '@stdlib/math/base/assert/is-integer' ); +var isInfinite = require( '@stdlib/assert/is-infinite' ); // MAIN // @@ -38,11 +39,11 @@ var isInteger = require( '@stdlib/math/base/assert/is-integer' ); * // returns 1.0 * * @example -* var v = cosd( 90 ); +* var v = cosd( 90.0 ); * // returns 0.0 * * @example -* var v = cosd( 60 ); +* var v = cosd( 60.0 ); * // returns ~0.5 * * @example @@ -52,11 +53,11 @@ var isInteger = require( '@stdlib/math/base/assert/is-integer' ); function cosd( x ) { var xRad; - if ( x === Infinity || x === -Infinity ) { + if ( isInfinite( x ) ) { return NaN; } - if ( isInteger( ( ( x / 90 ) - 1 ) / 2 ) ) { + if ( isInteger( ( ( x / 90.0 ) - 1.0 ) / 2.0 ) ) { return 0; } From 63161a72d60c2c1b9df643177de4e30d25bd40a3 Mon Sep 17 00:00:00 2001 From: Philipp Burckhardt Date: Sun, 17 Mar 2024 15:48:12 -0400 Subject: [PATCH 7/7] Apply suggestions from code review Signed-off-by: Philipp Burckhardt --- lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js | 2 +- lib/node_modules/@stdlib/math/base/special/cosd/test/test.js | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js b/lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js index 8f52d5379ece..45dded4b3936 100644 --- a/lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js +++ b/lib/node_modules/@stdlib/math/base/special/cosd/lib/main.js @@ -58,7 +58,7 @@ function cosd( x ) { } if ( isInteger( ( ( x / 90.0 ) - 1.0 ) / 2.0 ) ) { - return 0; + return 0.0; } xRad = deg2rad( x ); diff --git a/lib/node_modules/@stdlib/math/base/special/cosd/test/test.js b/lib/node_modules/@stdlib/math/base/special/cosd/test/test.js index 8e548ce54733..b33df0f1f22a 100644 --- a/lib/node_modules/@stdlib/math/base/special/cosd/test/test.js +++ b/lib/node_modules/@stdlib/math/base/special/cosd/test/test.js @@ -49,7 +49,7 @@ tape( 'if provided a `NaN`, the function returns `NaN`', function test( t ) { t.end(); }); -tape( 'the function computes the cosine of an angle measured in degrees.(negative values)', function test( t ) { +tape( 'the function computes the cosine of an angle measured in degrees (negative values)', function test( t ) { var expected; var delta; var tol; @@ -73,7 +73,7 @@ tape( 'the function computes the cosine of an angle measured in degrees.(negativ t.end(); }); -tape( 'the function computes the cosine of an angle measured in degrees. (positive values)', function test( t ) { +tape( 'the function computes the cosine of an angle measured in degrees (positive values)', function test( t ) { var expected; var delta; var tol;