C++ (Cpp) CCUtilMutex Examples

Example #1

File: intfx.cpp Project: dqsoft/tesseract

/*---------------------------------------------------------------------------*/
void InitIntegerFX() {
  static bool atan_table_init = false;
  atan_table_mutex.Lock();
  if (!atan_table_init) {
    for (int i = 0; i < INT_CHAR_NORM_RANGE; ++i) {
      cos_table[i] = cos(i * 2 * PI / INT_CHAR_NORM_RANGE + PI);
      sin_table[i] = sin(i * 2 * PI / INT_CHAR_NORM_RANGE + PI);
    }
    atan_table_init = true;
  }
  atan_table_mutex.Unlock();
}

Example #2

File: intfx.cpp Project: 0xkasun/Dummy_Tes

/*---------------------------------------------------------------------------*/
void InitIntegerFX() {
  static bool atan_table_init = false;
  atan_table_mutex.Lock();
  if (!atan_table_init) {
    for (int i = 0; i < ATAN_TABLE_SIZE; i++) {
      AtanTable[i] =
          (uinT8) (atan ((i / (float) ATAN_TABLE_SIZE)) * 128.0 / PI + 0.5);
    }
    for (int i = 0; i < INT_CHAR_NORM_RANGE; ++i) {
      cos_table[i] = cos(i * 2 * PI / INT_CHAR_NORM_RANGE + PI);
      sin_table[i] = sin(i * 2 * PI / INT_CHAR_NORM_RANGE + PI);
    }
    atan_table_init = true;
  }
  atan_table_mutex.Unlock();
}