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30 lines
953 B
C
Executable File
30 lines
953 B
C
Executable File
#ifndef REDPILL_MATH_HELPER_H
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#define REDPILL_MATH_HELPER_H
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/**
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* Generates pseudo-random integer in a range specified
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*
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* @param min Lower boundary integer
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* @param max Higher boundary integer
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*
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* @return pseudorandom integer up to 32 bits in length
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*/
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#define prandom_int_range(min, max) ({ \
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int _rand = (prandom_u32() % ((max) + 1 - (min)) + (min)); \
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_rand; \
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})
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/**
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* Generates temporally stable pseudo-random integer in a range specified
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*
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* @param cur_val Pointer to store/read current value; set its value to 0 initially to generate setpoint automatically
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* @param dev Max deviation from the current value
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* @param min Lower boundary integer
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* @param max Higher boundary integer
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*
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* @return pseudorandom integer up to 32 bits in length
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*/
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int prandom_int_range_stable(int *cur_val, int dev, int min, int max);
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#endif //REDPILL_MATH_HELPER_H
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