#include <clc/relational/isequal.h>
#include <clc/relational/isgreater.h>
#include <clc/relational/isgreaterequal.h>
+#include <clc/relational/isless.h>
#include <clc/relational/isnan.h>
#include <clc/relational/isnotequal.h>
#include <clc/relational/select.h>
--- /dev/null
+#include <clc/clc.h>
+#include "relational.h"
+
+//Note: It would be nice to use __builtin_isless with vector inputs, but it seems to only take scalar values as
+// input, which will produce incorrect output for vector input types.
+
+_CLC_DEFINE_RELATIONAL_BINARY(int, isless, __builtin_isless, float, float)
+
+#ifdef cl_khr_fp64
+
+#pragma OPENCL EXTENSION cl_khr_fp64 : enable
+
+// The scalar version of isless(double, double) returns an int, but the vector versions
+// return long.
+
+_CLC_DEF _CLC_OVERLOAD int isless(double x, double y){
+ return __builtin_isless(x, y);
+}
+
+_CLC_DEFINE_RELATIONAL_BINARY_VEC_ALL(long, isless, double, double)
+
+#endif