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bygfoot/src/maths.h
2005-04-04 10:36:04 +00:00

37 lines
805 B
C

#ifndef MATHS_H
#define MATHS_H
#include <math.h>
#include "bygfoot.h"
/**
Macros for random number generation (#rnd for float, #rndi and #gauss_disti for integer).
*/
#define math_rnd(lower,upper) g_rand_double_range(rand_generator, lower, upper)
#define math_rndi(lower,upper) g_rand_int_range(rand_generator, lower, upper + 1)
#define math_gauss_disti(lower, upper) ((gint)rint( math_gauss_dist((gfloat)lower - 0.499, (gfloat)upper + 0.499)))
gdouble
math_gaussrand(void);
gdouble
math_gauss_dist(gdouble lower, gdouble upper);
gint
math_get_place(gint value, gint place);
gint
math_round_integer(gint number, gint places);
void
math_generate_permutation(gint *array, gint start, gint end);
gint
math_get_bye_len(gint number);
gint
math_sum_int_array(const gint *array, gint max);
#endif