72 lines
2.7 KiB
C
72 lines
2.7 KiB
C
/*
|
|
* 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
|