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#include <cmath>
#include "utest_helper.hpp"
static void cpu(int global_id, float *src, double *dst) {
float d = 1.234567890123456789;
dst[global_id] = global_id < 14 ? d : 14;
}
void compiler_double_3(void)
{
const size_t n = 16;
float cpu_src[n];
double cpu_dst[n];
// Setup kernel and buffers
OCL_CREATE_KERNEL("compiler_double_3");
OCL_CREATE_BUFFER(buf[0], 0, n * sizeof(float), NULL);
OCL_CREATE_BUFFER(buf[1], 0, n * sizeof(double), 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;
// Run random tests
for (uint32_t pass = 0; pass < 1; ++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(fabs(((double*)buf_data[1])[i] - cpu_dst[i]) < 1e-4);
OCL_UNMAP_BUFFER(1);
}
}
MAKE_UTEST_FROM_FUNCTION(compiler_double_3);
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