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/* utility.c - burneye2 supporting functions, include file
*
* by scut
*/
#ifndef UTILITY_H
#define UTILITY_H
/* fnote
*
* output format message `fmt' to stderr when verbosity is set.
*
* return length of message send to stderr
*/
int
fnote (const char *fmt, ...);
/* be_randinit_file
*
* initialize the random functions from filename `filename'.
*
* return in any case
*/
void
be_randinit_file (const char *filename);
/* be_randinit
*
* initialize the random functions of burneye.
*
* return in any case
*/
void
be_randinit (void);
/* be_randend
*
* close the random file descriptor.
*
* return in any case
*/
void
be_randend (void);
/* be_random
*
* generate a random number
*
* return a random number between 0 and `max'-1.
*/
unsigned int
be_random (unsigned int max);
/* be_random_coin
*
* throw a biased coin with probability `prob'.
*
* return 1 in case the `prob'-probable case was the result
* return 0 otherwise
*/
int
be_random_coin (double prob);
/* be_random_prob
*
* do a probabilistic random decision. probabilities are relative and given
* through `items_prob', which should be an all-positive array with
* `items_count' elements.
*
* return the index of the array that made it
*/
unsigned int
be_random_prob (unsigned int items_count, double *items_prob);
#endif
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