From cdc5df499ff59eb08c006d51a0855eadf3f9d72f Mon Sep 17 00:00:00 2001 From: Marcus Cuda Date: Fri, 19 Oct 2012 09:04:33 +0300 Subject: [PATCH] changed range to [0,1) and updated tests --- src/Numerics/Random/MersenneTwister.cs | 2 +- src/UnitTests/Random/MersenneTwisterTests.cs | 8 ++++---- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/src/Numerics/Random/MersenneTwister.cs b/src/Numerics/Random/MersenneTwister.cs index 909969ef..8c2a3cfe 100644 --- a/src/Numerics/Random/MersenneTwister.cs +++ b/src/Numerics/Random/MersenneTwister.cs @@ -98,7 +98,7 @@ namespace MathNet.Numerics.Random /// /// Mersenne twister constant. /// - private const double _reciprocal = 1.0/4294967295.0; + private const double _reciprocal = 1.0/4294967296.0; /// /// Mersenne twister constant. diff --git a/src/UnitTests/Random/MersenneTwisterTests.cs b/src/UnitTests/Random/MersenneTwisterTests.cs index 1d239ce8..a597e49d 100644 --- a/src/UnitTests/Random/MersenneTwisterTests.cs +++ b/src/UnitTests/Random/MersenneTwisterTests.cs @@ -49,10 +49,10 @@ namespace MathNet.Numerics.UnitTests.Random public void SampleKnownValues() { var mt = new MersenneTwister(0); - Assert.AreEqual(mt.NextDouble(), 0.5488135024320365); - Assert.AreEqual(mt.NextDouble(), 0.5928446165269344); - Assert.AreEqual(mt.NextDouble(), 0.7151893651381110); - Assert.AreEqual(mt.NextDouble(), 0.8442657442866512); + Assert.AreEqual(mt.NextDouble(), 0.5488135023042560); + Assert.AreEqual(mt.NextDouble(), 0.5928446163889021); + Assert.AreEqual(mt.NextDouble(), 0.7151893649715930); + Assert.AreEqual(mt.NextDouble(), 0.8442657440900803); } } }