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#include "utest_helper.hpp"
#include <cmath>
void compiler_mix(void)
{
const float MAXERR = 1e-3f;
const int n = 1024;
float src1[n], src2[n], src3[n];
// Setup kernel and buffers
OCL_CREATE_KERNEL("compiler_mix");
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(float), NULL);
OCL_CREATE_BUFFER(buf[3], 0, n * sizeof(float), 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]);
OCL_SET_ARG(3, sizeof(cl_mem), &buf[3]);
globals[0] = n;
locals[0] = 16;
OCL_MAP_BUFFER(0);
OCL_MAP_BUFFER(1);
OCL_MAP_BUFFER(2);
for (int i = 0; i < n; ++i) {
src1[i] = ((float*)buf_data[0])[i] = (float)rand();
src2[i] = ((float*)buf_data[1])[i] = (float)rand();
src3[i] = ((float*)buf_data[2])[i] = (float)rand()/(float)RAND_MAX;
}
OCL_UNMAP_BUFFER(0);
OCL_UNMAP_BUFFER(1);
OCL_UNMAP_BUFFER(2);
OCL_NDRANGE(1);
OCL_MAP_BUFFER(3);
float res, err;
float max_err = 0.0f;
for (int i = 0; i < n; ++i)
{
res = src1[i] + ((src2[i] - src1[i]) * src3[i]);
err = fabsf((((float*)buf_data[3])[i] - res)/ res);
max_err = err > max_err? err: max_err;
}
OCL_UNMAP_BUFFER(3);
printf("\tmix max err is %g\n",max_err);
OCL_ASSERT(max_err < MAXERR);
}
MAKE_UTEST_FROM_FUNCTION(compiler_mix);
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