34 lines
998 B
C
34 lines
998 B
C
#pragma once
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#include <stdint.h>
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/**
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* @brief Sets the seed for the custom random number generator.
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*
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* This function initializes the seed value used by rand_custom().
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* Providing the same seed will produce the same sequence of random numbers.
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*
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* @param s The seed value (must be nonzero for best results).
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*/
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void sprand(uint64_t s);
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/**
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* @brief Generates a pseudo-random 64-bit number.
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*
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* Uses a simple Linear Congruential Generator (LCG) to produce
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* a sequence of pseudo-random numbers.
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*
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* @return A pseudo-random 64-bit unsigned integer.
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*/
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uint64_t prand();
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/**
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* @brief Generates a random number within a specified range.
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*
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* Produces a random number in the inclusive range [min, max].
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* Ensures uniform distribution by applying a modulo operation.
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*
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* @param min The lower bound of the range (inclusive).
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* @param max The upper bound of the range (inclusive).
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* @return A random number between min and max.
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*/
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uint64_t prand_range(uint64_t min, uint64_t max);
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