copysign: Use binary_decl_tt.inc instead of custom inc file.

Reviewer: Aaron Watry
Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>

git-svn-id: https://llvm.org/svn/llvm-project/libclc/trunk@356025 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/generic/include/clc/math/copysign.h b/generic/include/clc/math/copysign.h
index 8f0742e..0b9fd53 100644
--- a/generic/include/clc/math/copysign.h
+++ b/generic/include/clc/math/copysign.h
@@ -1,2 +1,7 @@
-#define __CLC_BODY <clc/math/copysign.inc>
+#define __CLC_FUNCTION copysign
+#define __CLC_BODY <clc/math/binary_decl_tt.inc>
+
 #include <clc/math/gentype.inc>
+
+#undef __CLC_BODY
+#undef __CLC_FUNCTION
diff --git a/generic/include/clc/math/copysign.inc b/generic/include/clc/math/copysign.inc
deleted file mode 100644
index 6091abc..0000000
--- a/generic/include/clc/math/copysign.inc
+++ /dev/null
@@ -1 +0,0 @@
-_CLC_OVERLOAD _CLC_DECL __CLC_GENTYPE copysign(__CLC_GENTYPE a, __CLC_GENTYPE b);