gbe/libocl: define the gentype half_xxx math function instead of using MACRO.

these function need to be overloadable for link.

Signed-off-by: Luo Xionghu <xionghu.luo@intel.com>
Reviewed-by: Yang Rong <rong.r.yang@intel.com>

3 files changed, 70 insertions, 29 deletions

diff --git a/backend/src/libocl/script/ocl_math.def b/backend/src/libocl/script/ocl_math.def
index 9c65af7b..b5c1e475 100644
--- a/backend/src/libocl/script/ocl_math.def
+++ b/backend/src/libocl/script/ocl_math.def
@@ -177,17 +177,17 @@ gentype native_tan (gentype x)
 
 
 ##half_native_math
-#gentype half_cos (gentype x)
-#gentype half_divide (gentype x, gentype y)
-#gentype half_exp (gentype x)
-#gentype half_exp2 (gentype x)
-#gentype half_exp10 (gentype x)
-#gentype half_log (gentype x)
-#gentype half_log2 (gentype x)
-#gentype half_log10 (gentype x)
-#gentype half_powr (gentype x, gentype y)
-#gentype half_recip (gentype x)
-#gentype half_rsqrt (gentype x)
-#gentype half_sin (gentype x)
-#gentype half_sqrt (gentype x)
-#gentype half_tan (gentype x)
+gentype half_cos (gentype x)
+gentype half_divide (gentype x, gentype y)
+gentype half_exp (gentype x)
+gentype half_exp2 (gentype x)
+gentype half_exp10 (gentype x)
+gentype half_log (gentype x)
+gentype half_log2 (gentype x)
+gentype half_log10 (gentype x)
+gentype half_powr (gentype x, gentype y)
+gentype half_recip (gentype x)
+gentype half_rsqrt (gentype x)
+gentype half_sin (gentype x)
+gentype half_sqrt (gentype x)
+gentype half_tan (gentype x)
diff --git a/backend/src/libocl/tmpl/ocl_math.tmpl.cl b/backend/src/libocl/tmpl/ocl_math.tmpl.cl
index dc0363d6..782bfd21 100644
--- a/backend/src/libocl/tmpl/ocl_math.tmpl.cl
+++ b/backend/src/libocl/tmpl/ocl_math.tmpl.cl
@@ -3608,6 +3608,48 @@ OVERLOADABLE half acos(half x) {
   float _x = (float)x;
   return (half)acos(_x);
 }
+OVERLOADABLE float half_cos(float x) {
+  return (float)cos(x);
+}
+OVERLOADABLE float half_divide(float x, float y) {
+  return (float)native_divide(x, y);
+}
+OVERLOADABLE float half_exp(float x) {
+  return (float)native_exp(x);
+}
+OVERLOADABLE float half_exp2(float x){
+  return (float)native_exp2(x);
+}
+OVERLOADABLE float half_exp10(float x){
+  return (float)native_exp10(x);
+}
+OVERLOADABLE float half_log(float x){
+  return (float)native_log(x);
+}
+OVERLOADABLE float half_log2(float x){
+  return (float)native_log2(x);
+}
+OVERLOADABLE float half_log10(float x){
+  return (float)native_log10(x);
+}
+OVERLOADABLE float half_powr(float x, float y){
+  return (float)powr(x, y);
+}
+OVERLOADABLE float half_recip(float x){
+  return (float)native_recip(x);
+}
+OVERLOADABLE float half_rsqrt(float x){
+  return (float)native_rsqrt(x);
+}
+OVERLOADABLE float half_sin(float x){
+  return (float)sin(x);
+}
+OVERLOADABLE float half_sqrt(float x){
+  return (float)native_sqrt(x);
+}
+OVERLOADABLE float half_tan(float x){
+  return (float)tan(x);
+}
 OVERLOADABLE half acospi(half x) {
   float _x = (float)x;
   return (half)acospi(_x);
diff --git a/backend/src/libocl/tmpl/ocl_math.tmpl.h b/backend/src/libocl/tmpl/ocl_math.tmpl.h
index 90dad1ff..0de36429 100644
--- a/backend/src/libocl/tmpl/ocl_math.tmpl.h
+++ b/backend/src/libocl/tmpl/ocl_math.tmpl.h
@@ -216,19 +216,18 @@ OVERLOADABLE half native_sin(half x);
 OVERLOADABLE half native_sqrt(half x);
 OVERLOADABLE half native_tan(half x);
 
-
 // half accuracy
-#define half_cos cos
-#define half_divide native_divide
-#define half_exp native_exp
-#define half_exp2 native_exp2
-#define half_exp10 native_exp10
-#define half_log native_log
-#define half_log2 native_log2
-#define half_log10 native_log10
-#define half_powr powr
-#define half_recip native_recip
-#define half_rsqrt native_rsqrt
-#define half_sin sin
-#define half_sqrt native_sqrt
-#define half_tan tan
+OVERLOADABLE float half_cos(float x);
+OVERLOADABLE float half_divide(float x, float y);
+OVERLOADABLE float half_exp(float x);
+OVERLOADABLE float half_exp2(float x);
+OVERLOADABLE float half_exp10(float x);
+OVERLOADABLE float half_log(float x);
+OVERLOADABLE float half_log2(float x);
+OVERLOADABLE float half_log10(float x);
+OVERLOADABLE float half_powr(float x, float y);
+OVERLOADABLE float half_recip(float x);
+OVERLOADABLE float half_rsqrt(float x);
+OVERLOADABLE float half_sin(float x);
+OVERLOADABLE float half_sqrt(float x);
+OVERLOADABLE float half_tan(float x);