you can now pass in theoretical_min

README.md

@@ -44,27 +44,27 @@ Here are test results comparing fast-min to two other popular libraries undersco
 Tests have been conducted by creating an array of ten million random numbers from the lowest to the highest theoretical value of the typed array.
 | array type | library | average duration in milliseconds |
 | ---------- | ------- | -------------------------------- |
-| Int8Array | fast-min | **< 1** | 
-| Int8Array | lodash | 20.9 | 
-| Int8Array | underscore | 12.4 | 
-| Uint8Array | fast-min | **11.3** | 
-| Uint8Array | lodash | 23.5 | 
-| Uint8Array | underscore | 12.2 | 
-| Int16Array | fast-min | **0.5** | 
-| Int16Array | lodash | 23.6 | 
-| Int16Array | underscore | 13.3 | 
-| Uint16Array | fast-min | **13.2** | 
-| Uint16Array | lodash | 20.5 | 
-| Uint16Array | underscore | 13.5 | 
-| Int32Array | fast-min | **15.4** | 
-| Int32Array | lodash | 20.9 | 
-| Int32Array | underscore | 12.3 | 
-| Uint32Array | fast-min | **12.5** | 
-| Uint32Array | lodash | 60.9 | 
-| Uint32Array | underscore | 14.4 | 
-| BigInt64Array | fast-min | **244.2** | 
-| BigInt64Array | lodash | 257 | 
-| BigInt64Array | underscore | 245.3 | 
-| BigUint64Array | fast-min | **200.1** | 
-| BigUint64Array | lodash | 204.9 | 
-| BigUint64Array | underscore | 198 | 
+| Int8Array | fast-min | **0.1** | 
+| Int8Array | lodash | 20.7 | 
+| Int8Array | underscore | 14.9 | 
+| Uint8Array | fast-min | **11.5** | 
+| Uint8Array | lodash | 22.1 | 
+| Uint8Array | underscore | 12.6 | 
+| Int16Array | fast-min | **0.6** | 
+| Int16Array | lodash | 21.9 | 
+| Int16Array | underscore | 12.4 | 
+| Uint16Array | fast-min | **12.2** | 
+| Uint16Array | lodash | 21.2 | 
+| Uint16Array | underscore | 12.5 | 
+| Int32Array | fast-min | **13.1** | 
+| Int32Array | lodash | 20.6 | 
+| Int32Array | underscore | 12.6 | 
+| Uint32Array | fast-min | **12.7** | 
+| Uint32Array | lodash | 66.6 | 
+| Uint32Array | underscore | 15.3 | 
+| BigInt64Array | fast-min | **247.6** | 
+| BigInt64Array | lodash | 253 | 
+| BigInt64Array | underscore | 241.6 | 
+| BigUint64Array | fast-min | **194.5** | 
+| BigUint64Array | lodash | 206.1 | 
+| BigUint64Array | underscore | 205.4 | 

index.js

@@ -1,22 +1,11 @@
-const THEORETICAL_MINIMUMS = {
-  Array: null,
-  Int8Array: -128, // Math.pow(-2, 8 - 1)
-  Uint8Array: 0,
-  Uint8ClampedArray: 0,
-  Int16Array: -32768, // Math.pow(-2, 16 - 1)
-  Uint16Array: 0,
-  Int32Array: -2147483648, // Math.pow(-2, 32 - 1)
-  Uint32Array: 0,
-  // skipping Float32Array and Float64Array because it appears to be platform dependent
-  BigInt64Array: -9223372036854776000, // Math.pow(-2, 63)
-  BigUint64Array: 0,
-};
+const getTheoreticalMin = require("typed-array-ranges/get-min");
 
 module.exports = function fastMin(
   numbers,
-  { debug = false, no_data = undefined } = {
+  { debug = false, no_data = undefined, theoretical_min = undefined } = {
     debug: false,
     no_data: undefined,
+    theoretical_min: undefined,
   }
 ) {
   if (debug)
@@ -38,7 +27,8 @@ module.exports = function fastMin(
 
   if (debug) console.log("[fast-min] constructor:", numbers.constructor.name);
 
-  let theoretical_min = THEORETICAL_MINIMUMS[numbers.constructor.name];
+  if (theoretical_min === undefined)
+    theoretical_min = getTheoreticalMin(numbers.constructor.name);
   if (debug) console.log("[fast-min] theoretical minimunm is", theoretical_min);
   if (theoretical_min) {
     if (no_data !== undefined) {

package.json

@@ -41,5 +41,8 @@
     "flug": "^1.1.0",
     "lodash.min": "^4.0.1",
     "underscore": "^1.13.1"
+  },
+  "dependencies": {
+    "typed-array-ranges": "^0.0.0"
   }
 }