commit 1d96bc8f1612656f1abe9a48feba4a9f819de419
author Stephen Hines <srhines@google.com> Fri May 17 12:05:07 2013 -0700
committer Stephen Hines <srhines@google.com> Fri May 17 12:05:07 2013 -0700
tree b285691f2fc89e30a3ad69f88033339730615a38
parent c89f78b40e7823eb2d08e7129794c9f6f1992c08

Take absolute value of value for fast_length().

Bug: 9018865
Change-Id: I46b23e0df4ae0b1e5c238f353d0b6de539887e9b

lib/Renderscript/runtime/rs_cl.c

diff --git a/lib/Renderscript/runtime/rs_cl.c b/lib/Renderscript/runtime/rs_cl.c
index c0543de..b7f9158 100755
--- a/lib/Renderscript/runtime/rs_cl.c
+++ b/lib/Renderscript/runtime/rs_cl.c
@@ -931,7 +931,7 @@
 extern float __attribute__((overloadable)) half_sqrt(float);
 
 extern float __attribute__((overloadable)) fast_length(float v) {
-    return v;
+    return fabs(v);
 }
 extern float __attribute__((overloadable)) fast_length(float2 v) {
     return half_sqrt(v.x*v.x + v.y*v.y);