From 914ff487ab9c252696f0faaa54829afcbd8ea111 Mon Sep 17 00:00:00 2001 From: Mike Buland Date: Mon, 7 May 2012 21:10:27 +0000 Subject: Fixed the CMWC random number generator, it compiles now. --- src/experimental/randomcmwc.cpp | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) (limited to 'src') diff --git a/src/experimental/randomcmwc.cpp b/src/experimental/randomcmwc.cpp index 97f7262..a4e807e 100644 --- a/src/experimental/randomcmwc.cpp +++ b/src/experimental/randomcmwc.cpp @@ -9,37 +9,37 @@ #define PHI 0x9e3779b9 -RandomCmwc::RandomCmwc() : - q( NULL ), +Bu::RandomCmwc::RandomCmwc() : + q( 0 ), c( 362436 ) { q = new uint32_t[4096]; } -RandomCmwc::~RandomCmwc() +Bu::RandomCmwc::~RandomCmwc() { delete[] q; } -void RandomCmwc::seed( int32_t iSeed ) +void Bu::RandomCmwc::seed( int32_t iSeed ) { int i; - Q[0] = iSeed; - Q[1] = iSeed + PHI; - Q[2] = iSeed + PHI + PHI; + q[0] = iSeed; + q[1] = iSeed + PHI; + q[2] = iSeed + PHI + PHI; for (i = 3; i < 4096; i++) - Q[i] = Q[i - 3] ^ Q[i - 2] ^ PHI ^ i; + q[i] = q[i - 3] ^ q[i - 2] ^ PHI ^ i; } -int32_t RandomCmwc::rand() +int32_t Bu::RandomCmwc::rand() { uint64_t t, a = 18782LL; static uint32_t i = 4095; uint32_t x, r = 0xfffffffe; i = (i + 1) & 4095; - t = a * Q[i] + c; + t = a * q[i] + c; c = (t >> 32); x = t + c; if( x < c ) @@ -47,6 +47,6 @@ int32_t RandomCmwc::rand() x++; c++; } - return (Q[i] = r - x); + return (q[i] = r - x); } -- cgit v1.2.3