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author | Alexander Harkness <me@bearbin.net> | 2016-08-03 09:35:42 +0200 |
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committer | Mattes D <github@xoft.cz> | 2016-08-03 09:35:42 +0200 |
commit | 58b29adc88343fe0821c008ba0f0bb1e8018574d (patch) | |
tree | 50d314d6558a9f32cbbffd4b67c99fc3405569ee /src | |
parent | Simplified cChunkMap chunk storage (#2565) (diff) | |
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Diffstat (limited to 'src')
-rw-r--r-- | src/FastRandom.cpp | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/src/FastRandom.cpp b/src/FastRandom.cpp index 0d9c361af..718092aee 100644 --- a/src/FastRandom.cpp +++ b/src/FastRandom.cpp @@ -37,74 +37,6 @@ static unsigned int GetRandomSeed() //////////////////////////////////////////////////////////////////////////////// // cFastRandom: -#if 0 && defined(_DEBUG) -// Self-test -// Both ints and floats are quick-tested to see if the random is calculated correctly, checking the range in ASSERTs, -// and if it performs well in terms of distribution (checked by avg, expected to be in the range midpoint -class cFastRandomTest -{ -public: - cFastRandomTest(void) - { - TestInts(); - TestFloats(); - } - - - void TestInts(void) - { - printf("Testing ints...\n"); - cFastRandom rnd; - int sum = 0; - const int BUCKETS = 8; - int Counts[BUCKETS]; - memset(Counts, 0, sizeof(Counts)); - const int ITER = 10000; - for (int i = 0; i < ITER; i++) - { - int v = rnd.NextInt(1000); - ASSERT(v >= 0); - ASSERT(v < 1000); - Counts[v % BUCKETS]++; - sum += v; - } - double avg = (double)sum / ITER; - printf("avg: %f\n", avg); - for (int i = 0; i < BUCKETS; i++) - { - printf(" bucket %d: %d\n", i, Counts[i]); - } - } - - - void TestFloats(void) - { - printf("Testing floats...\n"); - cFastRandom rnd; - float sum = 0; - const int BUCKETS = 8; - int Counts[BUCKETS]; - memset(Counts, 0, sizeof(Counts)); - const int ITER = 10000; - for (int i = 0; i < ITER; i++) - { - float v = rnd.NextFloat(1000); - ASSERT(v >= 0); - ASSERT(v <= 1000); - Counts[((int)v) % BUCKETS]++; - sum += v; - } - sum = sum / ITER; - printf("avg: %f\n", sum); - for (int i = 0; i < BUCKETS; i++) - { - printf(" bucket %d: %d\n", i, Counts[i]); - } - } -} g_Test; - -#endif - @@ -187,7 +119,3 @@ double MTRand::rand(double a_Range) std::uniform_real_distribution<> distribution(0, a_Range); return distribution(m_MersenneRand); } - - - - |