utest: add test case for builtin function exp/exp2/exp10/expm1.

Signed-off-by: Yi Sun <yi.sun@intel.com>
Signed-off-by: Yangwei Shui <yangweix.shui@intel.com>
Reviewed-by: Zhigang Gong <zhigang.gong@linux.intel.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/kernels/builtin_exp.cl b/kernels/builtin_exp.cl
new file mode 100644
index 0000000..ecc1a3e
--- /dev/null
+++ b/kernels/builtin_exp.cl
@@ -0,0 +1,10 @@
+__kernel void builtin_exp(__global float *dst, __global float *src, __global int *max_func) {
+  int i = get_global_id(0);
+  float x = src[i];
+
+  dst[i * (*max_func) + 0] = exp(x);
+  dst[i * (*max_func) + 1] = exp2(x);
+  dst[i * (*max_func) + 2] = exp10(x);
+  dst[i * (*max_func) + 3] = expm1(x);
+  dst[i * (*max_func) + 4] = x;
+};