diff --git a/math/base/special/cosd/coverage.ndjson b/math/base/special/cosd/coverage.ndjson new file mode 100644 index 000000000..6310682b8 --- /dev/null +++ b/math/base/special/cosd/coverage.ndjson @@ -0,0 +1 @@ +[119,121,98.3471,6,7,85.7143,1,1,100,119,121,98.3471,"0b0e240f6959ac1dae3bc00fe42b9930eb887e93","2024-03-17 15:51:00 -0400"] diff --git a/math/base/special/cosd/index.html b/math/base/special/cosd/index.html new file mode 100644 index 000000000..f89efdd5d --- /dev/null +++ b/math/base/special/cosd/index.html @@ -0,0 +1,131 @@ + + + + +
++ Press n or j to go to the next uncovered block, b, p or k for the previous block. +
+ ++ Press n or j to go to the next uncovered block, b, p or k for the previous block. +
+ +1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 +12 +13 +14 +15 +16 +17 +18 +19 +20 +21 +22 +23 +24 +25 +26 +27 +28 +29 +30 +31 +32 +33 +34 +35 +36 +37 +38 +39 +40 +41 +42 +43 +44 +45 +46 +47 +48 +49 +50 | 1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x + | /** +* @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'; + +/** +* Compute the cosine of an angle measured in degrees. +* +* @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( 90.0 ); +* // returns 0.0 +* +* v = cosd( 60.0 ); +* // returns ~0.5 +* +* v = cosd( NaN ); +* // returns NaN +*/ + +// MODULES // + +var main = require( './main.js' ); + + +// EXPORTS // + +module.exports = main; + |
+ Press n or j to go to the next uncovered block, b, p or k for the previous block. +
+ +1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 +12 +13 +14 +15 +16 +17 +18 +19 +20 +21 +22 +23 +24 +25 +26 +27 +28 +29 +30 +31 +32 +33 +34 +35 +36 +37 +38 +39 +40 +41 +42 +43 +44 +45 +46 +47 +48 +49 +50 +51 +52 +53 +54 +55 +56 +57 +58 +59 +60 +61 +62 +63 +64 +65 +66 +67 +68 +69 +70 +71 +72 +73 | 1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +2003x +2003x +2003x +2003x +2x +2x +2001x +2003x + + +2001x +2001x +2001x +2001x +2003x +1x +1x +1x +1x +1x + | /** +* @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' ); +var isInfinite = require( '@stdlib/assert/is-infinite' ); + + +// MAIN // + +/** +* Computes the cosine of an angle measured in degrees. +* +* @param {number} x - input value (in degrees) +* @returns {number} cosine +* +* @example +* var v = cosd( 0.0 ); +* // returns 1.0 +* +* @example +* var v = cosd( 90.0 ); +* // returns 0.0 +* +* @example +* var v = cosd( 60.0 ); +* // returns ~0.5 +* +* @example +* var v = cosd( NaN ); +* // returns NaN +*/ +function cosd( x ) { + var xRad; + + if ( isInfinite( x ) ) { + return NaN; + } + + if ( isInteger( ( ( x / 90.0 ) - 1.0 ) / 2.0 ) ) { + return 0.0; + } + + xRad = deg2rad( x ); + + return cos( xRad ); +} + + +// EXPORTS // + +module.exports = cosd; + |