/*
 * Copyright (C) 2019-2025 Roger Clark, VK3KYY / G4KYF
 *                         Daniel Caujolle-Bert, F1RMB
 *
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer
 *    in the documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * 4. Use of this source code or binary releases for commercial purposes is strictly forbidden. This includes, without limitation,
 *    incorporation in a commercial product or incorporation into a product or project which allows commercial use.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#ifndef _OPENGD77_UTILS_H_
#define _OPENGD77_UTILS_H_

#if !defined(MIN)
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#endif

#if !defined(MAX)
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#endif

#if !defined(CLAMP)
#define CLAMP(x, low, high)  (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x)))
#endif

#if !defined(SAFE_MIN)
#define SAFE_MIN(a, b) ({ typeof (a) _a = (a); typeof (b) _b = (b); _a < _b ? _a : _b; })
#endif

#if !defined(SAFE_MAX)
#define SAFE_MAX(a, b) ({ typeof (a) _a = (a); typeof (b) _b = (b); _a > _b ? _a : _b; })
#endif

#if !defined(SAFE_SWAP)
#define SAFE_SWAP(a, b) ({ typeof (a) _a = a; a = b; b = _a; })
#endif

#if !defined(MAP)
#define MAP(x, im, iM, om, oM) ((x - im) * (oM - om) / (iM - im) + om)
#endif

#if !defined(XSTRINGIFY)
#define XSTRINGIFY(s) STRINGIFY(s)
#endif

#if !defined(STRINGIFY)
#define STRINGIFY(s) #s
#endif

#if !defined(ARRAY_SIZE)
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
#endif

#endif