/*
libspecbleach - A spectral processing library

Copyright 2022 Luciano Dato <lucianodato@gmail.com>

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
*/

#include "general_utils.h"
#include <float.h>
#include <math.h>
#include <stdlib.h>

float sanitize_denormal(float value) {
  if (!isnormal(value)) {
    value = 0.F;
  }
  return value;
}

float from_db_to_coefficient(const float value_db) {
  return powf(10.0F, value_db / 20.0F);
}

int get_next_divisible_two(int number) {
  return number + (number & 1);
}

int get_next_power_two(int number) {
  if (number <= 0) {
    return 1;
  }
  number--;
  number |= number >> 1;
  number |= number >> 2;
  number |= number >> 4;
  number |= number >> 8;
  number |= number >> 16;
  number++;
  return number;
}
