diff options
| -rw-r--r-- | kernels/builtin_sign.cl | 4 | ||||
| -rw-r--r-- | utests/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | utests/builtin_sign.cpp | 47 |
3 files changed, 52 insertions, 0 deletions
diff --git a/kernels/builtin_sign.cl b/kernels/builtin_sign.cl new file mode 100644 index 00000000..ff9a66ba --- /dev/null +++ b/kernels/builtin_sign.cl @@ -0,0 +1,4 @@ +kernel void builtin_sign(global float *src, global float *dst) { + int i = get_global_id(0); + dst[i] = sign(src[i]); +} diff --git a/utests/CMakeLists.txt b/utests/CMakeLists.txt index 1cdbd244..14ff6b19 100644 --- a/utests/CMakeLists.txt +++ b/utests/CMakeLists.txt @@ -102,6 +102,7 @@ set (utests_sources get_cl_info.cpp builtin_bitselect.cpp builtin_mad_sat.cpp + builtin_sign.cpp buildin_work_dim.cpp builtin_global_size.cpp runtime_createcontext.cpp diff --git a/utests/builtin_sign.cpp b/utests/builtin_sign.cpp new file mode 100644 index 00000000..426de360 --- /dev/null +++ b/utests/builtin_sign.cpp @@ -0,0 +1,47 @@ +#include <cmath> +#include "utest_helper.hpp" + +void builtin_sign(void) +{ + const int n = 32; + float src[n]; + + // Setup kernel and buffers + OCL_CREATE_KERNEL("builtin_sign"); + OCL_CREATE_BUFFER(buf[0], 0, n * sizeof(float), NULL); + OCL_CREATE_BUFFER(buf[1], 0, n * sizeof(float), NULL); + OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]); + OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]); + globals[0] = n; + locals[0] = 16; + + OCL_MAP_BUFFER(0); + src[0] = ((float*)buf_data[0])[0] = nanf(""); + src[1] = ((float*)buf_data[0])[1] = INFINITY; + src[2] = ((float*)buf_data[0])[2] = 0.f; + src[3] = ((float*)buf_data[0])[3] = -0.f; + for (int i = 4; i < n; ++i) { + src[i] = ((float*)buf_data[0])[i] = (rand() & 15) * 0.1 - 0.75; + } + OCL_UNMAP_BUFFER(0); + + OCL_NDRANGE(1); + + OCL_MAP_BUFFER(1); + float *dst = (float*)buf_data[1]; + OCL_ASSERT(dst[0] == 0); + OCL_ASSERT(dst[1] == 1.f); + OCL_ASSERT(dst[2] == 0.f); + OCL_ASSERT(dst[3] == -0.f); + for (int i = 4; i < n; ++i) { + if (src[i] == 0.f) + OCL_ASSERT(dst[i] == 0.f); + else if (src[i] == -0.f) + OCL_ASSERT(dst[i] == -0.f); + else + OCL_ASSERT(dst[i] == (src[i] > 0 ? 1 : -1)); + } + OCL_UNMAP_BUFFER(1); +} + +MAKE_UTEST_FROM_FUNCTION(builtin_sign); |