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- /**
- * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- *
- * Based on Sprinter and grbl.
- * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
- *
- * This program 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.
- *
- * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
- *
- */
- #pragma once
-
- #undef MIN
- #undef MAX
-
- // Use NUM_ARGS(__VA_ARGS__) to get the number of variadic arguments
- #define _NUM_ARGS(_0,_24_,_23,_22,_21,_20,_19,_18,_17,_16,_15,_14,_13,_12,_11,_10,_9,_8,_7,_6,_5,_4,_3,_2,_1,N,...) N
- #define NUM_ARGS(V...) _NUM_ARGS(0,V,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)
-
- #ifdef __cplusplus
-
- #ifndef _MINMAX_H_
- #define _MINMAX_H_
-
- extern "C++" {
-
- // C++11 solution that is standards compliant. Return type is deduced automatically
- template <class L, class R> static inline constexpr auto MIN(const L lhs, const R rhs) -> decltype(lhs + rhs) {
- return lhs < rhs ? lhs : rhs;
- }
- template <class L, class R> static inline constexpr auto MAX(const L lhs, const R rhs) -> decltype(lhs + rhs) {
- return lhs > rhs ? lhs : rhs;
- }
- template<class T, class ... Ts> static inline constexpr const T MIN(T V, Ts... Vs) { return MIN(V, MIN(Vs...)); }
- template<class T, class ... Ts> static inline constexpr const T MAX(T V, Ts... Vs) { return MAX(V, MAX(Vs...)); }
-
- }
-
- #endif
-
- #else
-
- #define MIN_2(a,b) ((a)<(b)?(a):(b))
- #define MIN_3(a,...) MIN_2(a,MIN_2(__VA_ARGS__))
- #define MIN_4(a,...) MIN_2(a,MIN_3(__VA_ARGS__))
- #define MIN_5(a,...) MIN_2(a,MIN_4(__VA_ARGS__))
- #define MIN_6(a,...) MIN_2(a,MIN_5(__VA_ARGS__))
- #define MIN_7(a,...) MIN_2(a,MIN_6(__VA_ARGS__))
- #define MIN_8(a,...) MIN_2(a,MIN_7(__VA_ARGS__))
- #define MIN_9(a,...) MIN_2(a,MIN_8(__VA_ARGS__))
- #define MIN_10(a,...) MIN_2(a,MIN_9(__VA_ARGS__))
- #define __MIN_N(N, ...) MIN_##N(__VA_ARGS__)
- #define _MIN_N(N, ...) __MIN_N(N,__VA_ARGS__)
- #define MIN(...) _MIN_N(NUM_ARGS(__VA_ARGS__), __VA_ARGS__)
-
- #define MAX_2(a,b) ((a)>(b)?(a):(b))
- #define MAX_3(a,...) MAX_2(a,MAX_2(__VA_ARGS__))
- #define MAX_4(a,...) MAX_2(a,MAX_3(__VA_ARGS__))
- #define MAX_5(a,...) MAX_2(a,MAX_4(__VA_ARGS__))
- #define MAX_6(a,...) MAX_2(a,MAX_5(__VA_ARGS__))
- #define MAX_7(a,...) MAX_2(a,MAX_6(__VA_ARGS__))
- #define MAX_8(a,...) MAX_2(a,MAX_7(__VA_ARGS__))
- #define MAX_9(a,...) MAX_2(a,MAX_8(__VA_ARGS__))
- #define MAX_10(a,...) MAX_2(a,MAX_9(__VA_ARGS__))
- #define __MAX_N(N, ...) MAX_##N(__VA_ARGS__)
- #define _MAX_N(N, ...) __MAX_N(N,__VA_ARGS__)
- #define MAX(...) _MAX_N(NUM_ARGS(__VA_ARGS__), __VA_ARGS__)
-
- #endif
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