21 lines
No EOL
518 B
C
21 lines
No EOL
518 B
C
// This is a naive implementation for now (LCG)
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// Distribution will probably suck.
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#define RAND_MAX_64 0xFFFFFFFFFFFFFFFFull
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#define MULTIPLIER 6364136223846793005ull
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#define INCREMENT 1ull
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u64 seed_for_random = 1;
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u64 get_random() {
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seed_for_random = seed_for_random * MULTIPLIER + INCREMENT;
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return seed_for_random;
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}
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f32 get_random_float32() {
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return (float32)get_random()/(float32)UINT64_MAX;
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}
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f32 get_random_float32_in_range(f32 min, f32 max) {
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return min + (max-min) * get_random_float32();
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} |