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path: root/utests/compiler_long_div.cpp
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#include <cstdint>
#include <cstring>
#include <iostream>
#include "utest_helper.hpp"

void compiler_long_div(void)
{
  const size_t n = 16;
  int64_t src1[n], src2[n];

  // Setup kernel and buffers
  OCL_CREATE_KERNEL_FROM_FILE("compiler_long_div", "compiler_long_div");
  OCL_CREATE_BUFFER(buf[0], 0, n * sizeof(int64_t), NULL);
  OCL_CREATE_BUFFER(buf[1], 0, n * sizeof(int64_t), NULL);
  OCL_CREATE_BUFFER(buf[2], 0, n * sizeof(int64_t), 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]);
  globals[0] = n;
  locals[0] = 16;

  // Run random tests
  for (int32_t i = 0; i < (int32_t) n; ++i) {
    src1[i] = ((int64_t)rand() << 32) + rand();
    src2[i] = ((int64_t)rand() << 32) + rand();;
  }
  OCL_MAP_BUFFER(0);
  OCL_MAP_BUFFER(1);
  memcpy(buf_data[0], src1, sizeof(src1));
  memcpy(buf_data[1], src2, sizeof(src2));
  OCL_UNMAP_BUFFER(0);
  OCL_UNMAP_BUFFER(1);

  // Run the kernel on GPU
  OCL_NDRANGE(1);

  // Compare
  OCL_MAP_BUFFER(2);
  for (int32_t i = 0; i < (int32_t) n; ++i) {
    //printf("ref is %lx,    res is %lx\n", src1[i] / src2[i] , ((int64_t *)buf_data[2])[i]);
    OCL_ASSERT(src1[i] / src2[i] == ((int64_t *)buf_data[2])[i]);
  }
  OCL_UNMAP_BUFFER(2);
}

MAKE_UTEST_FROM_FUNCTION(compiler_long_div);

void compiler_long_rem(void)
{
  const size_t n = 16;
  int64_t src1[n], src2[n];

  // Setup kernel and buffers
  OCL_CREATE_KERNEL_FROM_FILE("compiler_long_div", "compiler_long_rem");
  OCL_CREATE_BUFFER(buf[0], 0, n * sizeof(int64_t), NULL);
  OCL_CREATE_BUFFER(buf[1], 0, n * sizeof(int64_t), NULL);
  OCL_CREATE_BUFFER(buf[2], 0, n * sizeof(int64_t), 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]);
  globals[0] = n;
  locals[0] = 16;

  // Run random tests
  for (int32_t i = 0; i < (int32_t) n; ++i) {
    src1[i] = ((int64_t)rand() << 32) + rand();
    src2[i] = ((int64_t)rand() << 32) + rand();;
  }
  OCL_MAP_BUFFER(0);
  OCL_MAP_BUFFER(1);
  memcpy(buf_data[0], src1, sizeof(src1));
  memcpy(buf_data[1], src2, sizeof(src2));
  OCL_UNMAP_BUFFER(0);
  OCL_UNMAP_BUFFER(1);

  // Run the kernel on GPU
  OCL_NDRANGE(1);

  // Compare
  OCL_MAP_BUFFER(2);
  for (int32_t i = 0; i < (int32_t) n; ++i) {
    //printf("ref is %lx,    res is %lx\n", src1[i] / src2[i] , ((int64_t *)buf_data[2])[i]);
    OCL_ASSERT(src1[i] % src2[i] == ((int64_t *)buf_data[2])[i]);
  }
  OCL_UNMAP_BUFFER(2);
}

MAKE_UTEST_FROM_FUNCTION(compiler_long_rem);