2 files changed, 6 insertions, 0 deletions
diff --git a/backend/src/libocl/tmpl/ocl_math_common.tmpl.cl b/backend/src/libocl/tmpl/ocl_math_common.tmpl.cl
index c370864a..e6452388 100644
--- a/backend/src/libocl/tmpl/ocl_math_common.tmpl.cl
+++ b/backend/src/libocl/tmpl/ocl_math_common.tmpl.cl
@@ -1089,6 +1089,11 @@ OVERLOADABLE double cosh(double x)
 
 }
 
+OVERLOADABLE double cospi(double x)
+{
+	return cos(x*M_PI);
+}
+
 OVERLOADABLE double fabs(double x)
 {
     long  qw = as_ulong(x);
diff --git a/backend/src/libocl/tmpl/ocl_math_common.tmpl.h b/backend/src/libocl/tmpl/ocl_math_common.tmpl.h
index 471f8664..5f703f38 100644
--- a/backend/src/libocl/tmpl/ocl_math_common.tmpl.h
+++ b/backend/src/libocl/tmpl/ocl_math_common.tmpl.h
@@ -37,6 +37,7 @@ OVERLOADABLE double ceil(double x);
 OVERLOADABLE double copysign(double x, double y);
 OVERLOADABLE double cos(double x);
 OVERLOADABLE double cosh(double x);
+OVERLOADABLE double cospi(double x);
 OVERLOADABLE double fabs(double x);
 OVERLOADABLE double fdim(double x, double y);
 OVERLOADABLE double floor(double x);