summaryrefslogtreecommitdiffstats
path: root/kscreensaver/xsavers/xs_yarandom.h
diff options
context:
space:
mode:
authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit8b2aa1b5301ab60368a03e36df4ff5216726e87d (patch)
tree36163d4ee667c23b5cf232df2f3004cd0a76202a /kscreensaver/xsavers/xs_yarandom.h
downloadtdeartwork-8b2aa1b5301ab60368a03e36df4ff5216726e87d.tar.gz
tdeartwork-8b2aa1b5301ab60368a03e36df4ff5216726e87d.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeartwork@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kscreensaver/xsavers/xs_yarandom.h')
-rw-r--r--kscreensaver/xsavers/xs_yarandom.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/kscreensaver/xsavers/xs_yarandom.h b/kscreensaver/xsavers/xs_yarandom.h
new file mode 100644
index 00000000..f803d23c
--- /dev/null
+++ b/kscreensaver/xsavers/xs_yarandom.h
@@ -0,0 +1,52 @@
+/* xscreensaver, Copyright (c) 1997 by Jamie Zawinski <jwz@jwz.org>
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation. No representations are made about the suitability of this
+ * software for any purpose. It is provided "as is" without express or
+ * implied warranty.
+ */
+
+#ifndef __YARANDOM_H__
+#define __YARANDOM_H__
+
+#undef random
+#undef rand
+#undef drand48
+#undef srandom
+#undef srand
+#undef srand48
+#undef frand
+
+#ifdef VMS
+# include "vms-gtod.h"
+#endif
+
+/* #define random() ya_random()
+ #define srandom(i) ya_rand_init(0) */
+
+extern unsigned int ya_random (void);
+extern void ya_rand_init (unsigned int);
+
+
+#if defined (__GNUC__) && (__GNUC__ >= 2)
+ /* Implement frand using GCC's statement-expression extension. */
+
+# define frand(f) \
+ ({ double tmp = (((double) random()) / \
+ (((double) ((unsigned int)~0)) / ((double) (f)))); \
+ 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_ < 0 ? (-_frand_tmp_) : _frand_tmp_)
+
+#endif /* not GCC2 */
+
+#endif /* __YARANDOM_H__ */