http://ftp.ussg.iu.edu/linux/slackware/slackware-9.0/source/xap/xscreensaver/xscreens...

[xscreensaver] / utils / yarandom.h

diff --git a/utils/yarandom.h b/utils/yarandom.h
index 14a287fa8c04ef432086bc3768ac8d2dde6ad0f7..3a4acbf0b07ddc69be58caa85c2cafe76e833654 100644 (file)
--- a/utils/yarandom.h
+++ b/utils/yarandom.h
@@ -47,16 +47,16 @@ extern void ya_rand_init (unsigned int);
  /* Implement frand using GCC's statement-expression extension. */
 
 # define frand(f)                                                      \
-  ({ double tmp = (((double) random()) /                               \
-                  (((double) ((unsigned int)~0)) / ((double) (f))));   \
+  ({ double tmp = ((((double) random()) * ((double) (f))) /            \
+                  ((double) ((unsigned int)~0)));                      \
      tmp < 0 ? (-tmp) : tmp; })
 
 #else /* not GCC2 - implement frand using a global variable.*/
 
 static double _frand_tmp_;
 # define frand(f)                                                      \
-  (_frand_tmp_ = (((double) random()) /                                \
-                 (((double) ((unsigned int)~0)) / ((double) (f)))),    \
+  (_frand_tmp_ = ((((double) random()) * ((double) (f))) /             \
+                 ((double) ((unsigned int)~0))),                       \
    _frand_tmp_ < 0 ? (-_frand_tmp_) : _frand_tmp_)
 
 #endif /* not GCC2 */