src/util/math.h

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/*
 * math.h
 *
 * Copyright 2011 Pieter Agten
 *
 * This file is part of Yarf.
 *
 * Yarf is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Yarf 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Yarf.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef MATH_H
#define MATH_H

#include <math.h>
#include <stdint.h>

#define MIN(a,b) ((a)<(b)?(a):(b))

#define MAX(a,b) ((a)>(b)?(a):(b))

#define SIGNUM(x) (((x) < 0)?(-1):(1))

#define BOUNDS(min,x,max)  MAX(min,MIN(x,max))


inline float
fsquare(float x)
{
  return x * x;
}

inline unsigned long
lsquare(long x)
{
  return x * x; //TODO: pre-convert to unsigned longs?
}

inline uint32_t
uint16_square(uint16_t x)
{
  return (uint32_t)x * x;
}


#endif //MATH_H