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#include <stdlib.h>
float
random_ ( int *iseed )
/*
** - - - - - - -
** r a n d o m
** - - - - - - -
**
** Generate pseudo-random real number in the range 0 <= x < 1.
**
** (single precision)
**
** This function is designed to replace the Fortran->C interface routine
** random(3f) on systems which do not have this library (for example Linux)
**
** Fortran call: X = RANDOM(ISEED)
**
** Given:
** iseed int seed value
**
** If iseed !=0 random-number generator is initialised and first number
** is returned.
** iseed == 0 next number in the sequence is returned
**
** B.K.McIlwrath Starlink 12 January 1996
*/
{
if( *iseed != 0 )
srand(*iseed);
return (float) rand() / (float) RAND_MAX;
}
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