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Object model for HTML5 canvas, and SVG-to-canvas parser. Backed by jsdom and node-canvas.

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{"version":3,"file":"cos.min.mjs","sources":["../../../../src/util/misc/cos.ts"],"sourcesContent":["import type { TRadian } from '../../typedefs';\nimport { halfPI } from '../../constants';\n\n/**\n * Calculate the cos of an angle, avoiding returning floats for known results\n * This function is here just to avoid getting 0.999999999999999 when dealing\n * with numbers that are really 1 or 0.\n * @param {TRadian} angle the angle\n * @return {Number} the cosin value for angle.\n */\nexport const cos = (angle: TRadian): number => {\n if (angle === 0) {\n return 1;\n }\n const angleSlice = Math.abs(angle) / halfPI;\n switch (angleSlice) {\n case 1:\n case 3:\n return 0;\n case 2:\n return -1;\n }\n return Math.cos(angle);\n};\n"],"names":["cos","angle","Math","abs","halfPI"],"mappings":"iDAUaA,MAAAA,EAAOC,IAClB,GAAc,IAAVA,EACF,OAAO,EAGT,OADmBC,KAAKC,IAAIF,GAASG,GAEnC,KAAK,EACL,KAAK,EACH,OAAO,EACT,KAAK,EACH,OAAQ,EAEZ,OAAOF,KAAKF,IAAIC,EAAM"}