Added ll_frand(min, max) function

1 files changed, 15 insertions, 0 deletions

diff --git a/linden/indra/llcommon/llrand.cpp b/linden/indra/llcommon/llrand.cpp
index 0b2f8b8..fb2bcd3 100644
--- a/linden/indra/llcommon/llrand.cpp
+++ b/linden/indra/llcommon/llrand.cpp
@@ -156,6 +156,21 @@ F32 ll_frand(F32 val)
         return rv;
 }
 
+F32 ll_frand(F32 min, F32 max)
+{
+        llassert(min <= max); 
+        F32 rv = min + ((max - min) * ll_internal_random_float());
+        if (rv > 0)
+        {
+                if (rv >= max) return 0.0f;
+        }
+        else
+        {
+                if (rv <= min) return 0.0f;
+        }
+        return rv;
+}
+
 F64 ll_drand()
 {
         return ll_internal_random_double();