#include <volk_gnsssdr/volk_gnsssdr.h>
#include <qa_16s_permute_and_scalar_add_aligned16.h>
#include <volk_gnsssdr/volk_gnsssdr_16s_permute_and_scalar_add_aligned16.h>
#include <cstdlib>
#include <ctime>

//test for sse2

#ifndef LV_HAVE_SSE2

void qa_16s_permute_and_scalar_add_aligned16::t1() {
  printf("sse2 not available... no test performed\n");
}

#else

void qa_16s_permute_and_scalar_add_aligned16::t1() {
  const int vlen = 64;

  unsigned int num_bytes = vlen << 1;

  volk_gnsssdr_environment_init();
  clock_t start, end;
  double total;

  __VOLK_ATTR_ALIGNED(16) short target[vlen];
  __VOLK_ATTR_ALIGNED(16) short target2[vlen];
  __VOLK_ATTR_ALIGNED(16) short src0[vlen];
  __VOLK_ATTR_ALIGNED(16) short permute_indexes[vlen];
  __VOLK_ATTR_ALIGNED(16) short cntl0[vlen];
  __VOLK_ATTR_ALIGNED(16) short cntl1[vlen];
  __VOLK_ATTR_ALIGNED(16) short cntl2[vlen];
  __VOLK_ATTR_ALIGNED(16) short cntl3[vlen];
  __VOLK_ATTR_ALIGNED(16) short scalars[4] = {1, 2, 3, 4};

  for(int i = 0; i < vlen; ++i) {
    src0[i] = i;
    permute_indexes[i] = (3 * i)%vlen;
    cntl0[i] = 0xff;
    cntl1[i] = 0xff * (i%2);
    cntl2[i] = 0xff * ((i>>1)%2);
    cntl3[i] = 0xff * ((i%4) == 3);
  }

  printf("16s_permute_and_scalar_add_aligned\n");

  start = clock();
  for(int i = 0; i < 100000; ++i) {
    volk_gnsssdr_16s_permute_and_scalar_add_aligned16_manual(target, src0, permute_indexes, cntl0, cntl1, cntl2, cntl3, scalars, num_bytes, "generic");
  }
  end = clock();

  total = (double)(end-start)/(double)CLOCKS_PER_SEC;

  printf("generic_time: %f\n", total);

  start = clock();
  for(int i = 0; i < 100000; ++i) {
    volk_gnsssdr_16s_permute_and_scalar_add_aligned16_manual(target2, src0, permute_indexes, cntl0, cntl1, cntl2, cntl3, scalars, num_bytes, "sse2");
  }
  end = clock();

  total = (double)(end-start)/(double)CLOCKS_PER_SEC;

  printf("sse2_time: %f\n", total);


  for(int i = 0; i < vlen; ++i) {
    //printf("generic... %d, sse2... %d\n", target[i], target2[i]);
  }

  for(int i = 0; i < vlen; ++i) {

    CPPUNIT_ASSERT(target[i] == target2[i]);
  }
}

#endif