#include <volk/volk.h>

#include <qa_16s_convert_8s_aligned16.h>

#include <volk/volk_16s_convert_8s_aligned16.h>

#include <cstdlib>

//test for sse2

#ifndef LV_HAVE_SSE2

void qa_16s_convert_8s_aligned16::t1() {

  printf("sse2 not available... no test performed\n");

}

#else

void qa_16s_convert_8s_aligned16::t1() {

  volk_environment_init();

  clock_t start, end;

  double total;

  const int vlen = 3201;

  const int ITERS = 100000;

  int16_t input0[vlen] __attribute__ ((aligned (16)));

  int8_t output_generic[vlen] __attribute__ ((aligned (16)));

  int8_t output_sse2[vlen] __attribute__ ((aligned (16)));

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

    input0[i] = ((int16_t)(((float) (rand() - (RAND_MAX/2))) / static_cast<float>((RAND_MAX/2)) * 32768.0));

  }

  printf("16s_convert_8s_aligned\n");

  start = clock();

  for(int count = 0; count < ITERS; ++count) {

    volk_16s_convert_8s_aligned16_manual(output_generic, input0, vlen, "generic");

  }

  end = clock();

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

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

  start = clock();

  for(int count = 0; count < ITERS; ++count) {

    volk_16s_convert_8s_aligned16_manual(output_sse2, input0, vlen, "sse2");

  }

  end = clock();

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

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

  for(int i = 0; i < 1; ++i) {

    //printf("inputs: %d, %d\n", input0[i*2], input0[i*2 + 1]);

    //printf("generic... %d, ssse3... %d\n", output0[i], output1[i]);

  }

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

    //printf("%d -> %d...%d\n", input0[i], output_generic[i], output_sse2[i]);

    CPPUNIT_ASSERT_EQUAL(output_generic[i], output_sse2[i]);

  }

}

#endif