16 lines
262 B
Plaintext
16 lines
262 B
Plaintext
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int rand_gen(in int n) {
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n = (n << 13) ^ n;
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return (n * (n*n*15731+789221) + 1376312589) & 0x7fffffff;
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}
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float rand_float(inout int n) {
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n = rand_gen(n);
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return float(n) / float(0x7fffffff);
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}
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void rand_mix(inout int n, int v) {
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n = rand_gen(n ^ v);
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}
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