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root/Development/ray/src/common/random.h

Comparing ray/src/common/random.h (file contents):
Revision 2.18 by greg, Sat Apr 9 15:39:16 2011 UTC vs.
Revision 2.20 by greg, Wed May 27 08:37:26 2015 UTC

#	Line 10 | Line 10 | extern "C" {
10
11		#ifdef  _WIN32
12
13	+	#include <stdlib.h>
14	+
15		#if (RAND_MAX <= 65536)
16		#define random()        ((long)rand()<<16^(long)rand()<<6^(long)rand()>>4)
17		#else
#	Line 20 | Line 22 | extern "C" {
22		#define frandom()       (rand()*(1./(RAND_MAX+.5)))
23
24		#else
23	–	#ifdef  BSD
25
25	–	extern long  random();
26	–
27	–	#define  frandom()      (random()*(1./2147483648.))
28	–
29	–	#else
30	–
26		extern long  lrand48();
27		extern double  drand48();
28
#	Line 36 | Line 31 | extern double  drand48();
31		#define  frandom()      drand48()
32
33		#endif
39	–	#endif
34
35		extern unsigned short   *urperm;
36		extern int      urmask;
37
38	<	#define  urand(i)       (urmask ? (urperm[(i)&urmask]+frandom())/(urmask+1) \
38	>	#define  urand(i)       (urmask ? (urperm[(i)&urmask]+frandom())/(urmask+1.) \
39		: frandom())
40
41		extern int      initurand(int size);

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