X-Git-Url: https://git.ladys.computer/Pisces/blobdiff_plain/10f5f13665b3454942bc8b1c49c6d4c46a5ac560..fb3e0d562e2dbe9e3ea911a80bfdabc8851f92b2:/numeric.js?ds=sidebyside diff --git a/numeric.js b/numeric.js index 1d0a543..64d9a80 100644 --- a/numeric.js +++ b/numeric.js @@ -377,6 +377,12 @@ export const { isSafeInteger: isSafeIntegralNumber, } = Number; +/** Positive zero. */ +export const POSITIVE_ZERO = 0; + +/** Negative zero. */ +export const NEGATIVE_ZERO = -0; + /** * Returns the magnitude (absolute value) of the provided value. * @@ -560,10 +566,10 @@ export const sgn = ($) => { ? n === 0n ? 0n : n < 0n ? -1n : 1n : isNan(n) || n === 0 ? n - : //deno-lint-ignore no-compare-neg-zero - n < -0 - ? -1 - : 1; + //deno-lint-ignore no-compare-neg-zero + : n < -0 + ? -1 + : 1; }; /** @@ -644,10 +650,10 @@ export const { * Returns the result of converting the provided number to an integer * or infinity. * - * ☡ This function does not allow big·int arguments. + * ※ This function will never return negative zero. */ export const toIntegerOrInfinity = ($) => { - const integer = trunc($); + const integer = trunc(toNumber($)); if (isNan(integer) || integer == 0) { // The provided value truncs to nan or (positive or negative) zero. return 0; @@ -663,6 +669,17 @@ export const toIntegerOrInfinity = ($) => { } }; +/** + * Returns the result of converting the provided number to an integral + * number. + * + * ※ This function will never return negative zero. + */ +export const toIntegralNumber = ($) => { + const n = toIntegerOrInfinity($); + return !isFiniteNumber(n) || n == 0 ? 0 : n; +}; + /** * Returns the result of converting the provided value to a number. *