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#include "utest_helper.hpp"
static void cpu(int global_id, float *src, float *dst) {
float f = src[global_id];
f = f < 0 ? -f : f;
dst[global_id] = f;
}
void compiler_fabs(void)
{
const size_t n = 16;
float cpu_dst[16], cpu_src[16];
// Setup kernel and buffers
OCL_CREATE_KERNEL("compiler_fabs");
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] = 16;
locals[0] = 16;
// Run random tests
for (uint32_t pass = 0; pass < 8; ++pass) {
OCL_MAP_BUFFER(0);
for (int32_t i = 0; i < (int32_t) n; ++i)
cpu_src[i] = ((float*)buf_data[0])[i] = .1f * (rand() & 15) - .75f;
OCL_UNMAP_BUFFER(0);
// Run the kernel on GPU
OCL_NDRANGE(1);
// Run on CPU
for (int32_t i = 0; i < (int32_t) n; ++i) cpu(i, cpu_src, cpu_dst);
// Compare
OCL_MAP_BUFFER(1);
for (int32_t i = 0; i < (int32_t) n; ++i)
OCL_ASSERT(((float *)buf_data[1])[i] == cpu_dst[i]);
OCL_UNMAP_BUFFER(1);
}
}
MAKE_UTEST_FROM_FUNCTION(compiler_fabs);
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