pure-rand - npm Package Compare versions

Comparing version 1.4.2 to 1.5.0

lib/distribution/UniformDistribution.js

@@ -14,3 +14,3 @@ "use strict";
             if (deltaV < MAX_ALLOWED) {
-                return [deltaV % diff + from, nrng];
+                return [(deltaV % diff) + from, nrng];
             }
@@ -25,3 +25,3 @@ }
     }
-    var maxAllowedRandom = diff * Math.floor(1. * maxRandomValue / diff);
+    var maxAllowedRandom = diff * Math.floor((1 * maxRandomValue) / diff);
     while (true) {
@@ -35,3 +35,3 @@ var value = 0;
         if (value < maxAllowedRandom) {
-            var inDiff = value - diff * Math.floor(1. * value / diff);
+            var inDiff = value - diff * Math.floor((1 * value) / diff);
             return [inDiff + from, nrng];
@@ -51,2 +51,1 @@ }
 exports.uniformIntDistribution = uniformIntDistribution;
-;

lib/esm/distribution/UniformDistribution.js

@@ -12,3 +12,3 @@ function uniformIntInternal(from, diff, rng) {
             if (deltaV < MAX_ALLOWED) {
-                return [deltaV % diff + from, nrng];
+                return [(deltaV % diff) + from, nrng];
             }
@@ -23,3 +23,3 @@ }
     }
-    var maxAllowedRandom = diff * Math.floor(1. * maxRandomValue / diff);
+    var maxAllowedRandom = diff * Math.floor((1 * maxRandomValue) / diff);
     while (true) {
@@ -33,3 +33,3 @@ var value = 0;
         if (value < maxAllowedRandom) {
-            var inDiff = value - diff * Math.floor(1. * value / diff);
+            var inDiff = value - diff * Math.floor((1 * value) / diff);
             return [inDiff + from, nrng];
@@ -48,3 +48,2 @@ }
 }
-;
 export { uniformIntDistribution };

lib/esm/generator/MersenneTwister.js

 function toUint32(num) {
-    return (num | 0) >= 0 ? (num | 0) : (num | 0) + 4294967296;
+    return (num | 0) >= 0 ? num | 0 : (num | 0) + 4294967296;
 }
@@ -38,3 +38,3 @@ function product32bits(a, b) {
         for (var idx = 1; idx !== MersenneTwister.N; ++idx) {
-            var xored = (out[idx - 1] ^ (out[idx - 1] >>> 30));
+            var xored = out[idx - 1] ^ (out[idx - 1] >>> 30);
             out[idx] = (product32bits(MersenneTwister.F, xored) + idx) | 0;
@@ -66,12 +66,12 @@ }
     MersenneTwister.R = 31;
-    MersenneTwister.A = 0x9908B0DF;
+    MersenneTwister.A = 0x9908b0df;
     MersenneTwister.F = 1812433253;
     MersenneTwister.U = 11;
     MersenneTwister.S = 7;
-    MersenneTwister.B = 0x9D2C5680;
+    MersenneTwister.B = 0x9d2c5680;
     MersenneTwister.T = 15;
-    MersenneTwister.C = 0xEFC60000;
+    MersenneTwister.C = 0xefc60000;
     MersenneTwister.L = 18;
-    MersenneTwister.MASK_LOWER = (Math.pow(2, MersenneTwister.R)) - 1;
-    MersenneTwister.MASK_UPPER = (Math.pow(2, MersenneTwister.R));
+    MersenneTwister.MASK_LOWER = Math.pow(2, MersenneTwister.R) - 1;
+    MersenneTwister.MASK_UPPER = Math.pow(2, MersenneTwister.R);
     return MersenneTwister;
@@ -82,2 +82,1 @@ }());
 }
-;

lib/esm/pure-rand-default.d.ts

 import { RandomGenerator, generateN, skipN } from './generator/RandomGenerator';
 import { congruential, congruential32 } from './generator/LinearCongruential';
 import mersenne from './generator/MersenneTwister';
+import { xorshift128plus } from './generator/XorShift';
 import Distribution from './distribution/Distribution';
 import { uniformIntDistribution } from './distribution/UniformDistribution';
-export { RandomGenerator, generateN, skipN, congruential, congruential32, mersenne, Distribution, uniformIntDistribution };
+export { RandomGenerator, generateN, skipN, congruential, congruential32, mersenne, xorshift128plus, Distribution, uniformIntDistribution };

lib/esm/pure-rand-default.js

 import { generateN, skipN } from './generator/RandomGenerator';
 import { congruential, congruential32 } from './generator/LinearCongruential';
 import mersenne from './generator/MersenneTwister';
+import { xorshift128plus } from './generator/XorShift';
 import { uniformIntDistribution } from './distribution/UniformDistribution';
-export { generateN, skipN, congruential, congruential32, mersenne, uniformIntDistribution };
+export { generateN, skipN, congruential, congruential32, mersenne, xorshift128plus, uniformIntDistribution };

lib/generator/MersenneTwister.js

 "use strict";
 exports.__esModule = true;
 function toUint32(num) {
-    return (num | 0) >= 0 ? (num | 0) : (num | 0) + 4294967296;
+    return (num | 0) >= 0 ? num | 0 : (num | 0) + 4294967296;
 }
@@ -40,3 +40,3 @@ function product32bits(a, b) {
         for (var idx = 1; idx !== MersenneTwister.N; ++idx) {
-            var xored = (out[idx - 1] ^ (out[idx - 1] >>> 30));
+            var xored = out[idx - 1] ^ (out[idx - 1] >>> 30);
             out[idx] = (product32bits(MersenneTwister.F, xored) + idx) | 0;
@@ -68,12 +68,12 @@ }
     MersenneTwister.R = 31;
-    MersenneTwister.A = 0x9908B0DF;
+    MersenneTwister.A = 0x9908b0df;
     MersenneTwister.F = 1812433253;
     MersenneTwister.U = 11;
     MersenneTwister.S = 7;
-    MersenneTwister.B = 0x9D2C5680;
+    MersenneTwister.B = 0x9d2c5680;
     MersenneTwister.T = 15;
-    MersenneTwister.C = 0xEFC60000;
+    MersenneTwister.C = 0xefc60000;
     MersenneTwister.L = 18;
-    MersenneTwister.MASK_LOWER = (Math.pow(2, MersenneTwister.R)) - 1;
-    MersenneTwister.MASK_UPPER = (Math.pow(2, MersenneTwister.R));
+    MersenneTwister.MASK_LOWER = Math.pow(2, MersenneTwister.R) - 1;
+    MersenneTwister.MASK_UPPER = Math.pow(2, MersenneTwister.R);
     return MersenneTwister;
@@ -85,2 +85,1 @@ }());
 exports["default"] = default_1;
-;

lib/pure-rand-default.d.ts

 import { RandomGenerator, generateN, skipN } from './generator/RandomGenerator';
 import { congruential, congruential32 } from './generator/LinearCongruential';
 import mersenne from './generator/MersenneTwister';
+import { xorshift128plus } from './generator/XorShift';
 import Distribution from './distribution/Distribution';
 import { uniformIntDistribution } from './distribution/UniformDistribution';
-export { RandomGenerator, generateN, skipN, congruential, congruential32, mersenne, Distribution, uniformIntDistribution };
+export { RandomGenerator, generateN, skipN, congruential, congruential32, mersenne, xorshift128plus, Distribution, uniformIntDistribution };

lib/pure-rand-default.js

@@ -11,3 +11,5 @@ "use strict";
 exports.mersenne = MersenneTwister_1["default"];
+var XorShift_1 = require("./generator/XorShift");
+exports.xorshift128plus = XorShift_1.xorshift128plus;
 var UniformDistribution_1 = require("./distribution/UniformDistribution");
 exports.uniformIntDistribution = UniformDistribution_1.uniformIntDistribution;

package.json

 {
   "name": "pure-rand",
-  "version": "1.4.2",
+  "version": "1.5.0",
   "description": " Pure random number generator written in TypeScript",
@@ -9,2 +9,4 @@ "main": "lib/pure-rand.js",
   "scripts": {
+    "format:check": "prettier --list-different \"**/*.{js,ts}\"",
+    "format:fix": "prettier --write \"**/*.{js,ts}\"",
     "build": "tsc",
@@ -28,11 +30,12 @@ "build:esm": "tsc --module es2015 --outDir lib/esm --moduleResolution node",
     "@types/mocha": "^5.2.5",
-    "@types/node": "^10.7.1",
+    "@types/node": "^10.11.7",
     "benchmark": "^2.1.4",
     "coveralls": "^3.0.2",
-    "fast-check": "^1.4.0",
+    "fast-check": "^1.6.2",
     "mocha": "^5.2.0",
-    "nyc": "^12.0.2",
-    "source-map-support": "^0.5.8",
+    "nyc": "^13.0.1",
+    "prettier": "1.14.3",
+    "source-map-support": "^0.5.9",
     "ts-node": "^7.0.1",
-    "typescript": "^3.0.1"
+    "typescript": "^3.1.3"
   },
@@ -39,0 +42,0 @@ "keywords": [

perf/benchmark.js

@@ -8,3 +8,7 @@ // @ts-check
 const { genFor } = require('./helpers');
-const { testGenerateWithSameDistribution, testGenerateWithSkipDistributionSingle, testGenerateWithSkipDistribution } = require('./tasks');
+const {
+  testGenerateWithSameDistribution,
+  testGenerateWithSkipDistributionSingle,
+  testGenerateWithSkipDistribution
+} = require('./tasks');
 const Benchmark = require('benchmark');
@@ -23,35 +27,42 @@ const prandRef = require('../lib/pure-rand');
 const buildBenchmarks = (type, lib) => {
-    return [
-        new Benchmark(
-            `distribution/no@${type}`,
-            () => {
-                const g = genFor(lib, PROF_GEN);
-                testGenerateWithSkipDistribution(lib, g, NUM_TESTS);
-            }, benchConf),
-        new Benchmark(
-            `distribution/re-use@${type}`,
-            () => {
-                const g = genFor(lib, PROF_GEN);
-                testGenerateWithSameDistribution(lib, g, NUM_TESTS);
-            }, benchConf),
-        new Benchmark(
-            `generator/new@${type}`,
-            () => {
-                const g = genFor(lib, PROF_GEN);
-                testGenerateWithSkipDistributionSingle(lib, g);
-            }, benchConf)
-    ];
+  return [
+    new Benchmark(
+      `distribution/no@${type}`,
+      () => {
+        const g = genFor(lib, PROF_GEN);
+        testGenerateWithSkipDistribution(lib, g, NUM_TESTS);
+      },
+      benchConf
+    ),
+    new Benchmark(
+      `distribution/re-use@${type}`,
+      () => {
+        const g = genFor(lib, PROF_GEN);
+        testGenerateWithSameDistribution(lib, g, NUM_TESTS);
+      },
+      benchConf
+    ),
+    new Benchmark(
+      `generator/new@${type}`,
+      () => {
+        const g = genFor(lib, PROF_GEN);
+        testGenerateWithSkipDistributionSingle(lib, g);
+      },
+      benchConf
+    )
+  ];
 };
 
 Benchmark.invoke(
-    [
-        ...buildBenchmarks('Reference', prandRef),
-        ...buildBenchmarks('Test', prandTest),
-        ...buildBenchmarks('Reference', prandRef),
-        ...buildBenchmarks('Test', prandTest),
-    ], {
-        name: 'run',
-        queued: true,
-        onCycle: (event) => console.log(String(event.target)),
-    }
+  [
+    ...buildBenchmarks('Reference', prandRef),
+    ...buildBenchmarks('Test', prandTest),
+    ...buildBenchmarks('Reference', prandRef),
+    ...buildBenchmarks('Test', prandTest)
+  ],
+  {
+    name: 'run',
+    queued: true,
+    onCycle: event => console.log(String(event.target))
+  }
 );

perf/helpers.js

@@ -5,4 +5,4 @@ // @ts-check
 exports.genFor = (lib, genName) => {
-    const seed = 42;
-    return lib[genName](seed);
+  const seed = 42;
+  return lib[genName](seed);
 };

perf/profiler.js

@@ -19,4 +19,8 @@ // @ts-check
 switch (PROF_TYPE) {
-    case 'same': testGenerateWithSameDistribution(prand, g, NUM_TESTS); break;
-    case 'skip': testGenerateWithSkipDistribution(prand, g, NUM_TESTS); break;
+  case 'same':
+    testGenerateWithSameDistribution(prand, g, NUM_TESTS);
+    break;
+  case 'skip':
+    testGenerateWithSkipDistribution(prand, g, NUM_TESTS);
+    break;
 }

perf/tasks.js

@@ -5,9 +5,9 @@ // @ts-check
 exports.testGenerateWithSkipDistributionSingle = (lib, g) => {
-    return lib.uniformIntDistribution(0, 0xffffffff, g)[1];
+  return lib.uniformIntDistribution(0, 0xffffffff, g)[1];
 };
 exports.testGenerateWithSkipDistribution = (lib, g, NUM_TESTS) => {
-    for (let idx = 0 ; idx !== NUM_TESTS ; ++idx) {
-        g = exports.testGenerateWithSkipDistributionSingle(lib, g);
-    }
-    return g;
+  for (let idx = 0; idx !== NUM_TESTS; ++idx) {
+    g = exports.testGenerateWithSkipDistributionSingle(lib, g);
+  }
+  return g;
 };
@@ -18,7 +18,7 @@
 exports.testGenerateWithSameDistribution = (lib, g, NUM_TESTS) => {
-    const dist = lib.uniformIntDistribution(0, 0xffffffff);
-    for (let idx = 0 ; idx !== NUM_TESTS ; ++idx) {
-        g = dist(g)[1];
-    }
-    return g;
+  const dist = lib.uniformIntDistribution(0, 0xffffffff);
+  for (let idx = 0; idx !== NUM_TESTS; ++idx) {
+    g = dist(g)[1];
+  }
+  return g;
 };

README.md

@@ -96,2 +96,3 @@ # pure-rand
 The following generators are available:
+- `prand.xorshift128plus(seed: number)`: xorshift128+ generator whose values are within the range -0x80000000 to 0x7fffffff
 - `prand.mersenne(seed: number)`: Mersenne Twister generator whose values are within the range 0 to 0xffffffff
@@ -98,0 +99,0 @@ - `prand.congruential(seed: number)`: Linear Congruential generator whose values are within the range 0 to 0x7fff

No alert changes

Improved metrics

Total package byte prevSize

34608

increased by8.63%

Number of package files

44

increased by15.79%

Lines of code

692

increased by11.61%

Number of lines in readme file

111

increased by0.91%

Worsened metrics

Dev dependency count

11

increased by10%

No dependency changes