From 83841f4934e44a5b78beb99156d4a9b6b3619024 Mon Sep 17 00:00:00 2001
From: kevin <kpl@larke.org>
Date: Thu, 30 Jan 2014 23:35:54 -0800
Subject: [PATCH] cmMath.h.c : Added cmRandXXX() functions.

---
 cmMath.c | 28 ++++++++++++++++++++++++++++
 cmMath.h |  7 +++++--
 2 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/cmMath.c b/cmMath.c
index afec115..2ac7a82 100644
--- a/cmMath.c
+++ b/cmMath.c
@@ -391,3 +391,31 @@ double             cmFfSwapULLongToDouble( unsigned long long v )
   u.u = cmSwap64(v);
   return u.f;
 }
+
+int      cmRandInt( int min, int max )
+{
+  assert( min <= max );
+  int offs = max - min;
+  return min + cmMax(0,cmMin(offs,(int)round(offs * (double)rand() / RAND_MAX)));
+}
+
+unsigned cmRandUInt( unsigned min, unsigned max )
+{
+  assert( min <= max );
+  unsigned offs = max - min;
+  return min + cmMax(0,cmMin(offs,(unsigned)round(offs * (double)rand() / RAND_MAX)));
+}
+
+float    cmRandFloat( float min, float max )
+{
+  assert( min <= max );
+  float offs = max - min;
+  return min + cmMax(0,cmMin(offs,(float)(offs * (double)rand() / RAND_MAX)));
+}
+
+double   cmRandDouble( double min, double max )
+{
+  assert( min <= max );
+  double offs = max - min;
+  return min + cmMax(0,cmMin(offs,(offs * (double)rand() / RAND_MAX)));
+}
diff --git a/cmMath.h b/cmMath.h
index 0fb0f79..4d3697f 100644
--- a/cmMath.h
+++ b/cmMath.h
@@ -62,6 +62,9 @@ float              cmFfSwapUIntToFloat( unsigned v );
 unsigned long long cmFfSwapDoubleToULLong( double v );
 double             cmFfSwapULLongToDouble( unsigned long long v );
 
-
-
+//=================================================================
+int      cmRandInt( int min, int max );
+unsigned cmRandUInt( unsigned min, unsigned max );
+float    cmRandFloat( float min, float max );
+double   cmRandDouble( double min, double max );
 #endif