HAL include and other adjustments (#14525)
Scott Lahteine
6 years ago
committed by
GitHub
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be37c38aa2
commit
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/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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// Use NUM_ARGS(__VA_ARGS__) to get the number of variadic arguments
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#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
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#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)
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#ifdef __cplusplus
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#ifndef _MINMAX_H_
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#define _MINMAX_H_
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extern "C++" {
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// C++11 solution that is standards compliant. Return type is deduced automatically
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template <class L, class R> static inline constexpr auto _MIN(const L lhs, const R rhs) -> decltype(lhs + rhs) {
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return lhs < rhs ? lhs : rhs;
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}
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template <class L, class R> static inline constexpr auto _MAX(const L lhs, const R rhs) -> decltype(lhs + rhs) {
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return lhs > rhs ? lhs : rhs;
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}
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template<class T, class ... Ts> static inline constexpr const T _MIN(T V, Ts... Vs) { return _MIN(V, _MIN(Vs...)); }
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template<class T, class ... Ts> static inline constexpr const T _MAX(T V, Ts... Vs) { return _MAX(V, _MAX(Vs...)); }
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}
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#endif
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#else
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#define MIN_2(a,b) ((a)<(b)?(a):(b))
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#define MIN_3(a,...) MIN_2(a,MIN_2(__VA_ARGS__))
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#define MIN_4(a,...) MIN_2(a,MIN_3(__VA_ARGS__))
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#define MIN_5(a,...) MIN_2(a,MIN_4(__VA_ARGS__))
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#define MIN_6(a,...) MIN_2(a,MIN_5(__VA_ARGS__))
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#define MIN_7(a,...) MIN_2(a,MIN_6(__VA_ARGS__))
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#define MIN_8(a,...) MIN_2(a,MIN_7(__VA_ARGS__))
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#define MIN_9(a,...) MIN_2(a,MIN_8(__VA_ARGS__))
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#define MIN_10(a,...) MIN_2(a,MIN_9(__VA_ARGS__))
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#define __MIN_N(N, ...) MIN_##N(__VA_ARGS__)
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#define _MIN_N(N, ...) __MIN_N(N,__VA_ARGS__)
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#define MIN(...) _MIN_N(NUM_ARGS(__VA_ARGS__), __VA_ARGS__)
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#define MAX_2(a,b) ((a)>(b)?(a):(b))
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#define MAX_3(a,...) MAX_2(a,MAX_2(__VA_ARGS__))
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#define MAX_4(a,...) MAX_2(a,MAX_3(__VA_ARGS__))
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#define MAX_5(a,...) MAX_2(a,MAX_4(__VA_ARGS__))
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#define MAX_6(a,...) MAX_2(a,MAX_5(__VA_ARGS__))
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#define MAX_7(a,...) MAX_2(a,MAX_6(__VA_ARGS__))
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#define MAX_8(a,...) MAX_2(a,MAX_7(__VA_ARGS__))
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#define MAX_9(a,...) MAX_2(a,MAX_8(__VA_ARGS__))
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#define MAX_10(a,...) MAX_2(a,MAX_9(__VA_ARGS__))
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#define __MAX_N(N, ...) MAX_##N(__VA_ARGS__)
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#define _MAX_N(N, ...) __MAX_N(N,__VA_ARGS__)
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#define MAX(...) _MAX_N(NUM_ARGS(__VA_ARGS__), __VA_ARGS__)
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#endif
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