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37 lines
833 B
C
37 lines
833 B
C
#ifndef MATHS_H
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#define MATHS_H
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#include <math.h>
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#include "bygfoot.h"
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/**
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Macros for random number generation (#rnd for float, #rndi and #gauss_disti for integer).
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*/
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#define math_rnd(lower,upper) ((gfloat)random()/(gfloat)0x7fffffff*((upper)-(lower))+(lower))
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#define math_rndi(lower,upper) ((gint)rint( math_rnd((gfloat)(lower) - 0.499, (gfloat)(upper) + 0.499) ))
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#define math_gauss_disti(lower, upper) ((gint)rint( math_gauss_dist((gfloat)lower - 0.499, (gfloat)upper + 0.499)))
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gfloat
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math_gaussrand(void);
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gfloat
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math_gauss_dist(gfloat lower, gfloat upper);
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gint
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math_get_place(gint value, gint place);
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gint
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math_round_integer(gint number, gint places);
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void
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math_generate_permutation(gint *array, gint start, gint end);
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gint
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math_get_bye_len(gint number);
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gint
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math_sum_int_array(gint *array, gint max);
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#endif
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