Implement smoothstep builtin v2

This has been tested with piglit, OpenCV, and the ocl conformance tests.

v2:
  - Fix typo in smoothstep.h

llvm-svn: 230969

3 files changed, 54 insertions, 0 deletions

diff --git a/libclc/generic/include/clc/clc.h b/libclc/generic/include/clc/clc.h
index 2848e591ba3..4a2d29e7b30 100644
--- a/libclc/generic/include/clc/clc.h
+++ b/libclc/generic/include/clc/clc.h
@@ -111,6 +111,7 @@
 #include <clc/common/degrees.h>
 #include <clc/common/radians.h>
 #include <clc/common/sign.h>
+#include <clc/common/smoothstep.h>
 
 /* 6.11.5 Geometric Functions */
 #include <clc/geometric/cross.h>
diff --git a/libclc/generic/include/clc/common/smoothstep.h b/libclc/generic/include/clc/common/smoothstep.h
new file mode 100644
index 00000000000..7a270dce89b
--- /dev/null
+++ b/libclc/generic/include/clc/common/smoothstep.h
@@ -0,0 +1,25 @@
+/*
+ * 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.
+ */
+
+#define __CLC_BODY <clc/common/smoothstep.inc>
+#include <clc/math/gentype.inc>
+#undef __CLC_BODY
diff --git a/libclc/generic/include/clc/common/smoothstep.inc b/libclc/generic/include/clc/common/smoothstep.inc
new file mode 100644
index 00000000000..286eeac47d4
--- /dev/null
+++ b/libclc/generic/include/clc/common/smoothstep.inc
@@ -0,0 +1,28 @@
+/*
+ * 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.
+ */
+
+_CLC_OVERLOAD _CLC_DECL __CLC_GENTYPE smoothstep(__CLC_GENTYPE edge0, __CLC_GENTYPE edge1, __CLC_GENTYPE x);
+_CLC_OVERLOAD _CLC_DECL __CLC_GENTYPE smoothstep(float edge0, float edge1, __CLC_GENTYPE x);
+
+#ifdef cl_khr_fp64
+_CLC_OVERLOAD _CLC_DECL __CLC_GENTYPE smoothstep(double edge0, double edge1, __CLC_GENTYPE x);
+#endif