X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=benchmark-utils.js;h=a9dd58713e5edc4ae244a4098219660032d79e16;hb=843c1afbc664f667f75bc554b61e109e2b03e2b5;hp=83d17ca7a7c4bb461d21dc4c994bc4e53b380ee4;hpb=8e1fbc065cb9d9027c8fad951ff1a0d9960dbce5;p=benchmarks-js.git

diff --git a/benchmark-utils.js b/benchmark-utils.js
index 83d17ca..a9dd587 100644
--- a/benchmark-utils.js
+++ b/benchmark-utils.js
@@ -2,13 +2,20 @@ const crypto = require('crypto')
 
 /**
  * Generate a cryptographically secure random number in the [0,1[ range
- *
  * @returns
  */
 function secureRandom () {
   return crypto.randomBytes(4).readUInt32LE() / 0x100000000
 }
 
+/**
+ *  Generate a cryptographically secure random number in the [0,1[ range
+ * @returns
+ */
+function secureRandomWithRandomValues () {
+  return crypto.getRandomValues(new Uint32Array(1))[0] / 0x100000000
+}
+
 /**
  * @param max
  * @param min
@@ -30,16 +37,16 @@ function generateRandomInteger (max = Number.MAX_SAFE_INTEGER, min = 0) {
  *
  * @param max
  * @param min
- * @param negative
  * @returns
  */
-function generateRandomFloat (max = Number.MAX_VALUE, min = 0, negative = true) {
-  if (max < min || max < 0 || min < 0) {
+function generateRandomFloat (max = Number.MAX_VALUE, min = 0) {
+  if (max < min) {
+    throw new RangeError('Invalid interval')
+  }
+  if (max - min === Infinity) {
     throw new RangeError('Invalid interval')
   }
-  const randomPositiveFloat = crypto.randomBytes(4).readUInt32LE() / 0xffffffff
-  const sign = negative && randomPositiveFloat < 0.5 ? -1 : 1
-  return sign * (randomPositiveFloat * (max - min) + min)
+  return (crypto.randomBytes(4).readUInt32LE() / 0xffffffff) * (max - min) + min
 }
 
 /**
@@ -95,5 +102,6 @@ module.exports = {
   generateRandomNumberArray,
   generateRandomObject,
   sleep,
-  secureRandom
+  secureRandom,
+  secureRandomWithRandomValues
 }