diff options
author | Homer Hsing <homer.xing@intel.com> | 2013-08-26 12:51:53 +0800 |
---|---|---|
committer | Zhigang Gong <zhigang.gong@linux.intel.com> | 2013-08-30 16:06:53 +0800 |
commit | be70382597290c4b903f6e273461f3fff9703c13 (patch) | |
tree | d808723dc678e2d6e9732455e90aed62830eb713 /utests/builtin_lgamma_r.cpp | |
parent | c59d493684982cb8a0e1995f28bbe56d9cff93c6 (diff) | |
download | beignet-be70382597290c4b903f6e273461f3fff9703c13.tar.gz |
add built-in function "lgamma", "lgamma_r"
also include test cases
Signed-off-by: Homer Hsing <homer.xing@intel.com>
Reviewed-by: Zhigang Gong <zhigang.gong@linux.intel.com>
Diffstat (limited to 'utests/builtin_lgamma_r.cpp')
-rw-r--r-- | utests/builtin_lgamma_r.cpp | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/utests/builtin_lgamma_r.cpp b/utests/builtin_lgamma_r.cpp new file mode 100644 index 00000000..b6e5d0ee --- /dev/null +++ b/utests/builtin_lgamma_r.cpp @@ -0,0 +1,46 @@ +#include <cmath> +#include "utest_helper.hpp" + +void builtin_lgamma_r(void) { + const int n = 1024; + float src[n]; + + // Setup kernel and buffers + OCL_CREATE_KERNEL("builtin_lgamma_r"); + OCL_CREATE_BUFFER(buf[0], 0, n * sizeof(float), NULL); + OCL_CREATE_BUFFER(buf[1], 0, n * sizeof(float), NULL); + OCL_CREATE_BUFFER(buf[2], 0, n * sizeof(int), NULL); + OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]); + OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]); + OCL_SET_ARG(2, sizeof(cl_mem), &buf[2]); + globals[0] = n; + locals[0] = 16; + + for (int j = 0; j < 1024; j++) { + OCL_MAP_BUFFER(0); + for (int i = 0; i < n; ++i) { + src[i] = ((float*) buf_data[0])[i] = (j * n + i + 1) * 0.001f; + } + OCL_UNMAP_BUFFER(0); + + OCL_NDRANGE(1); + + OCL_MAP_BUFFER(1); + OCL_MAP_BUFFER(2); + float *dst = (float*) buf_data[1]; + for (int i = 0; i < n; ++i) { + int cpu_signp; + float cpu = lgamma_r(src[i], &cpu_signp); + int gpu_signp = ((int*)buf_data[2])[i]; + float gpu = dst[i]; + if (cpu_signp != gpu_signp || fabsf(cpu - gpu) >= 1e-3) { + printf("%f %f %f\n", src[i], cpu, gpu); + OCL_ASSERT(0); + } + } + OCL_UNMAP_BUFFER(1); + OCL_UNMAP_BUFFER(2); + } +} + +MAKE_UTEST_FROM_FUNCTION (builtin_lgamma_r); |