Add toIntegralNumber to numeric.js

[Pisces] / numeric.js

diff --git a/numeric.js b/numeric.js
index ce92585a4a887b7c66f2af33a5cc344615ddf422..64d9a80502f5fc8b363d59acb5aa18d9e5e988d7 100644 (file)
--- a/numeric.js
+++ b/numeric.js
@@ -650,10 +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($));
   if (isNan(integer) || integer == 0) {
     // The provided value truncs to nan or (positive or negative) zero.
     return 0;
@@ -669,6 +669,17 @@ export const toIntegerOrInfinity = ($) => {
   }
 };
 
+/**
+ * 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.
  *