--- ray/src/common/random.h	2015/05/27 08:37:26	2.20
+++ ray/src/common/random.h	2022/04/21 02:52:40	2.24
@@ -1,17 +1,17 @@
-/* RCSid $Id: random.h,v 2.20 2015/05/27 08:37:26 greg Exp $ */
+/* RCSid $Id: random.h,v 2.24 2022/04/21 02:52:40 greg Exp $ */
 /*
  *  random.h - header file for random(3) and urand() function.
  */
 #ifndef _RAD_RANDOM_H_
 #define _RAD_RANDOM_H_
+
+#include <stdlib.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-#ifdef	_WIN32
-
-#include <stdlib.h>
-
+#if defined(_WIN32) || defined(_WIN64)
 #if (RAND_MAX <= 65536)
 #define random()	((long)rand()<<16^(long)rand()<<6^(long)rand()>>4)
 #else
@@ -23,9 +23,6 @@ extern "C" {
 
 #else
 
-extern long  lrand48();
-extern double  drand48();
-
 #define	 random()	lrand48()
 #define  srandom(s)	srand48((long)(s))
 #define	 frandom()	drand48()
@@ -38,11 +35,13 @@ extern int	urmask;
 #define	 urand(i)	(urmask ? (urperm[(i)&urmask]+frandom())/(urmask+1.) \
 				: frandom())
 
+				/* defined in urand.c */
+extern long	irandom(long modulus);
+
 extern int	initurand(int size);
 
-				/* defined in urand.c */
 extern int	ilhash(int *d, int n);
-				/* defined in urind.c */
+
 extern int	urind(int s, int i);
 				/* defined in multisamp.c */
 extern void	multisamp(double t[], int n, double r);