/* * Ken Clarkson wrote this. Copyright (c) 1995 by AT&T.. * Permission to use, copy, modify, and distribute this software for any * purpose without fee is hereby granted, provided that this entire notice * is included in all copies of any software which is or includes a copy * or modification of this software and in all copies of the supporting * documentation for such software. * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR AT&T MAKE ANY * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. */ #include #include #include #include "hull.h" double erand48 (unsigned short X[3]); unsigned short X[3]; double double_rand(void) {return erand48(X);} void init_rand(long seed) { fprintf(stderr, "init_rand: seed = %ld\n", X[1]=(seed==0) ? time(0) : seed); } #ifdef cray double logb(double x) { if (x<=0) return -1e2460; return log(x)/log(2); } #endif