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#include "utest_helper.hpp"
#include <cmath>
#include <algorithm>
#include <string.h>
#define udebug 0
#define printf_c(...) \
{\
printf("\033[1m\033[40;31m");\
printf( __VA_ARGS__ );\
printf("\033[0m");\
}
const float ori_data[] = {-20.5, -1, -0.9, -0.01, 0, 0.01, 0.9, 1.0, 20.5};
const int count_input_ori = sizeof(ori_data) / sizeof(ori_data[0]);
const int count_input = count_input_ori * count_input_ori;
float input_data1[count_input];
float input_data2[count_input];
const int max_function = 2; // builtin_pow.cl has 2 outputs: pow(src1,src2) and src1
static void cpu_compiler_math(const float *src1, const float *src2, float *dst)
{
dst[0] = powf(src1[0], src2[0]);
dst[1] = src1[0];
}
static void builtin_pow(void)
{
// Setup kernel and buffers
int k, i, index_cur;
float gpu_data[max_function * count_input] = {0}, cpu_data[max_function * count_input] = {0};
for(i=0; i<count_input_ori;i++)
for(k=0; k<count_input_ori;k++)
{
input_data1[i*count_input_ori+k] = ori_data[i];
input_data2[i*count_input_ori+k] = ori_data[k];
}
const char* env_strict = getenv("OCL_STRICT_CONFORMANCE");
float ULPSIZE_FACTOR = 1.0;
if (env_strict == NULL || strcmp(env_strict, "0") == 0)
ULPSIZE_FACTOR = 10000.;
OCL_CREATE_KERNEL("builtin_pow");
OCL_CREATE_BUFFER(buf[0], CL_MEM_READ_WRITE, count_input * max_function * sizeof(float), NULL);
OCL_CREATE_BUFFER(buf[1], CL_MEM_READ_WRITE, count_input * max_function * sizeof(float), NULL);
OCL_CREATE_BUFFER(buf[2], CL_MEM_READ_WRITE, count_input * max_function * sizeof(float), NULL);
OCL_CREATE_BUFFER(buf[3], CL_MEM_READ_WRITE, 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]);
OCL_SET_ARG(3, sizeof(cl_mem), &buf[3]);
globals[0] = count_input;
locals[0] = 1;
clEnqueueWriteBuffer( queue, buf[1], CL_TRUE, 0, count_input * sizeof(float), input_data1, 0, NULL, NULL);
clEnqueueWriteBuffer( queue, buf[2], CL_TRUE, 0, count_input * sizeof(float), input_data2, 0, NULL, NULL);
clEnqueueWriteBuffer( queue, buf[3], CL_TRUE, 0, sizeof(int), &max_function, 0, NULL, NULL);
// Run the kernel
OCL_NDRANGE( 1 );
clEnqueueReadBuffer( queue, buf[0], CL_TRUE, 0, sizeof(float) * max_function * count_input, gpu_data, 0, NULL, NULL);
for (k = 0; (uint)k < count_input; k++)
{
cpu_compiler_math( input_data1 + k, input_data2 + k, cpu_data + k * max_function);
for (i = 0; i < max_function; i++)
{
index_cur = k * max_function + i;
#if udebug
if ( (isinf(cpu_data[index_cur]) && !isinf(gpu_data[index_cur])) ||
(isnan(cpu_data[index_cur]) && !isnan(gpu_data[index_cur])) ||
(fabs(gpu_data[index_cur] - cpu_data[index_cur]) > cl_FLT_ULP(cpu_data[index_cur]) * ULPSIZE_FACTOR.) )
{
printf_c("%d/%d: x:%f, y:%f -> gpu:%f cpu:%f\n", k, i, input_data1[k], input_data2[k], gpu_data[index_cur], cpu_data[index_cur]);
}
else
printf("%d/%d: x:%f, y:%f -> gpu:%f cpu:%f\n", k, i, input_data1[k], input_data2[k], gpu_data[index_cur], cpu_data[index_cur]);
#else
if (isinf(cpu_data[index_cur]))
OCL_ASSERT(isinf(gpu_data[index_cur]));
else if (isnan(cpu_data[index_cur]))
OCL_ASSERT(isnan(gpu_data[index_cur]));
else
{
OCL_ASSERT(fabs(gpu_data[index_cur] - cpu_data[index_cur]) < cl_FLT_ULP(cpu_data[index_cur]) * ULPSIZE_FACTOR);
}
#endif
}
}
}
MAKE_UTEST_FROM_FUNCTION(builtin_pow)
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