3 files changed, 64 insertions, 0 deletions
diff --git a/libclc/generic/lib/SOURCES b/libclc/generic/lib/SOURCES
index d4cb8b86b15..a05cceaead6 100644
--- a/libclc/generic/lib/SOURCES
+++ b/libclc/generic/lib/SOURCES
@@ -40,6 +40,7 @@ geometric/distance.cl
 geometric/dot.cl
 geometric/fast_distance.cl
 geometric/fast_length.cl
+geometric/fast_normalize.cl
 geometric/length.cl
 geometric/normalize.cl
 integer/abs.cl
diff --git a/libclc/generic/lib/geometric/fast_normalize.cl b/libclc/generic/lib/geometric/fast_normalize.cl
new file mode 100644
index 00000000000..af5f99434f7
--- /dev/null
+++ b/libclc/generic/lib/geometric/fast_normalize.cl
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2014,2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include <clc/clc.h>
+
+_CLC_OVERLOAD _CLC_DEF float fast_normalize(float p) {
+  return normalize(p);
+}
+
+#define __CLC_BODY <fast_normalize.inc>
+#define __FLOAT_ONLY
+#include <clc/geometric/floatn.inc>
+#undef __FLOAT_ONLY
diff --git a/libclc/generic/lib/geometric/fast_normalize.inc b/libclc/generic/lib/geometric/fast_normalize.inc
new file mode 100644
index 00000000000..c1be2b8b942
--- /dev/null
+++ b/libclc/generic/lib/geometric/fast_normalize.inc
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2014,2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef __CLC_SCALAR
+
+// Only handle vector implementations
+_CLC_OVERLOAD _CLC_DEF __CLC_FLOATN fast_normalize(__CLC_FLOATN p) {
+  __CLC_FLOAT l2 = dot(p, p);
+  return l2 == 0.0f ? p : p * half_rsqrt(l2);
+}
+
+#endif