92 lines
1.8 KiB
C++
92 lines
1.8 KiB
C++
/*
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Copyright (C) 2014-2018, Johannes Pekkilae, Miikka Vaeisalae.
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This file is part of Astaroth.
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Astaroth 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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Astaroth 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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You should have received a copy of the GNU General Public License
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along with Astaroth. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file
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* \brief Brief info.
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*
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* Detailed info.
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*
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*/
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#pragma once
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#include <math.h> // isnan, isinf
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#include <stdlib.h> // rand
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template <class T>
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static inline const T
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max(const T& a, const T& b)
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{
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return a > b ? a : b;
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}
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template <class T>
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static inline const T
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min(const T& a, const T& b)
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{
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return a < b ? a : b;
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}
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template <class T>
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static inline const T
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sum(const T& a, const T& b)
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{
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return a + b;
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}
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template <class T>
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static inline const T
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is_valid(const T& val)
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{
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if (isnan(val) || isinf(val))
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return false;
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else
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return true;
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}
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template <class T>
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static inline const T
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clamp(const T& val, const T& min, const T& max)
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{
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return val < min ? min : val > max ? max : val;
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}
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static inline AcReal
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randr()
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{
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return AcReal(rand()) / AcReal(RAND_MAX);
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}
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static inline int3
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operator+(const int3& a, const int3& b)
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{
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return (int3){a.x + b.x, a.y + b.y, a.z + b.z};
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}
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static inline int3
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operator-(const int3& a, const int3& b)
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{
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return (int3){a.x - b.x, a.y - b.y, a.z - b.z};
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}
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static inline bool
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is_power_of_two(const unsigned val)
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{
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return val && !(val & (val - 1));
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}
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