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ADDED: LoadRandomSequence()/UnloadRandomSequence()

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Ray
2023-11-03 20:21:43 +01:00
parent 5da0074fed
commit 2d1b211920
3 changed files with 69 additions and 16 deletions
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28
src/external/rprand.h vendored
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@ -117,10 +117,10 @@ extern "C" { // Prevents name mangling of functions
// Module Functions Declaration
//----------------------------------------------------------------------------------
RPRANDAPI void rprand_set_seed(unsigned long long seed); // Set rprand_state for Xoshiro128**, seed is 64bit
RPRANDAPI unsigned int rprand_get_value(int min, int max); // Get random value within a range, min and max included
RPRANDAPI int rprand_get_value(int min, int max); // Get random value within a range, min and max included
RPRANDAPI unsigned int *rprand_load_sequence(unsigned int count, int min, int max); // Load pseudo-random numbers sequence with no duplicates
RPRANDAPI void rprand_unload_sequence(unsigned int *sequence); // Unload pseudo-random numbers sequence
RPRANDAPI int *rprand_load_sequence(unsigned int count, int min, int max); // Load pseudo-random numbers sequence with no duplicates
RPRANDAPI void rprand_unload_sequence(int *sequence); // Unload pseudo-random numbers sequence
#ifdef __cplusplus
}
@ -136,7 +136,7 @@ RPRANDAPI void rprand_unload_sequence(unsigned int *sequence); // Unload pseudo
#if defined(RPRAND_IMPLEMENTATION)
#include <stdlib.h> // Required for: calloc(), free()
#include <stdlib.h> // Required for: calloc(), free(), abs()
#include <stdint.h> // Required for data types: uint32_t, uint64_t
//----------------------------------------------------------------------------------
@ -174,33 +174,33 @@ void rprand_set_seed(unsigned long long seed)
}
// Get random value within a range, min and max included
unsigned int rprand_get_value(int min, int max)
int rprand_get_value(int min, int max)
{
unsigned int value = rprand_xoshiro()%(max - min) + min;
int value = rprand_xoshiro()%(abs(max - min) + 1) + min;
return value;
}
// Load pseudo-random numbers sequence with no duplicates
unsigned int *rprand_load_sequence(unsigned int count, int min, int max)
// Load pseudo-random numbers sequence with no duplicates, min and max included
int *rprand_load_sequence(unsigned int count, int min, int max)
{
unsigned int *sequence = NULL;
int *sequence = NULL;
if (count > (max - min))
if (count > (abs(max - min) + 1))
{
RPRAND_LOG("WARNING: Sequence count required is greater than range provided\n");
//count = (max - min);
return sequence;
}
sequence = (unsigned int *)RPRAND_CALLOC(count, sizeof(unsigned int));
sequence = (int *)RPRAND_CALLOC(count, sizeof(int));
uint32_t value = 0;
int value = 0;
bool value_is_dup = false;
for (int i = 0; i < count;)
{
value = rprand_xoshiro()%(max - min) + min;
value = (rprand_xoshiro()%(abs(max - min) + 1)) + min;
value_is_dup = false;
for (int j = 0; j < i; j++)
@ -223,7 +223,7 @@ unsigned int *rprand_load_sequence(unsigned int count, int min, int max)
}
// Unload pseudo-random numbers sequence
void rprand_unload_sequence(unsigned int *sequence)
void rprand_unload_sequence(int *sequence)
{
RPRAND_FREE(sequence);
sequence = NULL;