rocm-systems/runtime/hsa-amd-aqlprofile/test/util/helper_funcs.cpp

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#include <iostream>
#include <sstream>
#include <string>
#include <cmath>
#include <time.h>

#include "helper_funcs.h"

#ifndef _WIN32
#include <unistd.h>
#endif

void error(std::string errorMsg) { std::cout << "Error: " << errorMsg << std::endl; }

/*
 * Prints no more than 256 elements of the given array.
 * Prints full array if length is less than 256.
 * Prints Array name followed by elements.
 */
template <typename T>
void printArray(const std::string header, const T* data, const int width, const int height) {
  std::cout << header << " :\n";
  for (int i = 0; i < height; i++) {
    std::cout << "> ";
    for (int j = 0; j < width; j++) {
      std::cout << data[i * width + j] << " ";
    }
    std::cout << "\n";
  }
}

template <typename T>
bool fillRandom(T* arrayPtr, const int width, const int height, const T rangeMin, const T rangeMax,
                unsigned int seed) {
  if (!arrayPtr) {
    error("Cannot fill array. NULL pointer.");
    return false;
  }

  if (!seed) seed = (unsigned int)time(NULL);

  srand(seed);
  double range = double(rangeMax - rangeMin) + 1.0;

  /* random initialisation of input */
  for (int i = 0; i < height; i++)
    for (int j = 0; j < width; j++) {
      int index = i * width + j;
      arrayPtr[index] = rangeMin + T(range * rand() / (RAND_MAX + 1.0));
    }

  return true;
}

template <typename T> bool fillPos(T* arrayPtr, const int width, const int height) {
  if (!arrayPtr) {
    error("Cannot fill array. NULL pointer.");
    return false;
  }

  /* initialisation of input with positions*/
  for (T i = 0; i < height; i++)
    for (T j = 0; j < width; j++) {
      T index = i * width + j;
      arrayPtr[index] = index;
    }

  return true;
}

template <typename T>
bool fillConstant(T* arrayPtr, const int width, const int height, const T val) {
  if (!arrayPtr) {
    error("Cannot fill array. NULL pointer.");
    return false;
  }

  /* initialisation of input with constant value*/
  for (int i = 0; i < height; i++)
    for (int j = 0; j < width; j++) {
      int index = i * width + j;
      arrayPtr[index] = val;
    }

  return true;
}

template <typename T> T roundToPowerOf2(T val) {
  int bytes = sizeof(T);

  val--;
  for (int i = 0; i < bytes; i++) val |= val >> (1 << i);
  val++;

  return val;
}

template <typename T> bool isPowerOf2(T val) {
  long long _val = val;
  return (((_val & (-_val)) - _val == 0) && (_val != 0));
}

template <typename T> std::string toString(T t, std::ios_base& (*r)(std::ios_base&)) {
  std::ostringstream output;
  output << r << t;
  return output.str();
}

bool compare(const float* refData, const float* data, const int length, const float epsilon) {
  float error = 0.0f;
  float ref = 0.0f;

  for (int i = 1; i < length; ++i) {
    float diff = refData[i] - data[i];
    error += diff * diff;
    ref += refData[i] * refData[i];
  }

  float normRef = ::sqrtf((float)ref);
  if (::fabs((float)ref) < 1e-7f) {
    return false;
  }
  float normError = ::sqrtf((float)error);
  error = normError / normRef;

  return error < epsilon;
}

bool compare(const double* refData, const double* data, const int length, const double epsilon) {
  double error = 0.0;
  double ref = 0.0;

  for (int i = 1; i < length; ++i) {
    double diff = refData[i] - data[i];
    error += diff * diff;
    ref += refData[i] * refData[i];
  }

  double normRef = ::sqrt((double)ref);
  if (::fabs((double)ref) < 1e-7) {
    return false;
  }
  double normError = ::sqrt((double)error);
  error = normError / normRef;

  return error < epsilon;
}

/////////////////////////////////////////////////////////////////
// Template Instantiations
/////////////////////////////////////////////////////////////////
template void printArray<short>(const std::string, const short*, int, int);
template void printArray<unsigned char>(const std::string, const unsigned char*, int, int);
template void printArray<unsigned int>(const std::string, const unsigned int*, int, int);
template void printArray<int>(const std::string, const int*, int, int);
template void printArray<long>(const std::string, const long*, int, int);
template void printArray<float>(const std::string, const float*, int, int);
template void printArray<double>(const std::string, const double*, int, int);

template bool fillRandom<unsigned char>(unsigned char* arrayPtr, const int width, const int height,
                                        unsigned char rangeMin, unsigned char rangeMax,
                                        unsigned int seed);
template bool fillRandom<unsigned int>(unsigned int* arrayPtr, const int width, const int height,
                                       unsigned int rangeMin, unsigned int rangeMax,
                                       unsigned int seed);
template bool fillRandom<int>(int* arrayPtr, const int width, const int height, int rangeMin,
                              int rangeMax, unsigned int seed);
template bool fillRandom<long>(long* arrayPtr, const int width, const int height, long rangeMin,
                               long rangeMax, unsigned int seed);
template bool fillRandom<float>(float* arrayPtr, const int width, const int height, float rangeMin,
                                float rangeMax, unsigned int seed);
template bool fillRandom<double>(double* arrayPtr, const int width, const int height,
                                 double rangeMin, double rangeMax, unsigned int seed);

template short roundToPowerOf2<short>(short val);
template unsigned int roundToPowerOf2<unsigned int>(unsigned int val);
template int roundToPowerOf2<int>(int val);
template long roundToPowerOf2<long>(long val);

template bool isPowerOf2<short>(short val);
template bool isPowerOf2<unsigned int>(unsigned int val);
template bool isPowerOf2<int>(int val);
template bool isPowerOf2<long>(long val);

template <> bool fillPos<short>(short* arrayPtr, const int width, const int height);
template <> bool fillPos<unsigned int>(unsigned int* arrayPtr, const int width, const int height);
template <> bool fillPos<int>(int* arrayPtr, const int width, const int height);
template <> bool fillPos<long>(long* arrayPtr, const int width, const int height);

template <>
bool fillConstant<short>(short* arrayPtr, const int width, const int height, const short val);
template <>
bool fillConstant(unsigned int* arrayPtr, const int width, const int height,
                  const unsigned int val);
template <> bool fillConstant(int* arrayPtr, const int width, const int height, const int val);
template <> bool fillConstant(long* arrayPtr, const int width, const int height, const long val);
template <> bool fillConstant(long* arrayPtr, const int width, const int height, const long val);
template <> bool fillConstant(long* arrayPtr, const int width, const int height, const long val);

template std::string toString<char>(char t, std::ios_base& (*r)(std::ios_base&));
template std::string toString<short>(short t, std::ios_base& (*r)(std::ios_base&));
template std::string toString<unsigned int>(unsigned int t, std::ios_base& (*r)(std::ios_base&));
template std::string toString<int>(int t, std::ios_base& (*r)(std::ios_base&));
template std::string toString<long>(long t, std::ios_base& (*r)(std::ios_base&));
template std::string toString<float>(float t, std::ios_base& (*r)(std::ios_base&));
template std::string toString<double>(double t, std::ios_base& (*r)(std::ios_base&));