mirror of https://github.com/zeldaret/mm.git
24 lines
694 B
C
24 lines
694 B
C
#ifndef RAND_H
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#define RAND_H
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#include "PR/ultratypes.h"
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//! These values are recommended by the algorithms book *Numerical Recipes in C. The Art of Scientific Computing*, 2nd
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//! Edition, 1992, ISBN 0-521-43108-5. (p. 284):
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//! > This is about as good as any 32-bit linear congruential generator, entirely adequate for many uses.
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#define RAND_MULTIPLIER 1664525
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#define RAND_INCREMENT 1013904223
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u32 Rand_Next(void);
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void Rand_Seed(u32 seed);
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f32 Rand_ZeroOne(void);
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f32 Rand_Centered(void);
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void Rand_Seed_Variable(u32* rndNum, u32 seed);
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u32 Rand_Next_Variable(u32* rndNum);
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f32 Rand_ZeroOne_Variable(u32* rndNum);
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f32 Rand_Centered_Variable(u32* rndNum);
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extern u32 gRandFloat;
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#endif
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