diff options
Diffstat (limited to 'source/blender/blenlib/BLI_math_base.hh')
-rw-r--r-- | source/blender/blenlib/BLI_math_base.hh | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/source/blender/blenlib/BLI_math_base.hh b/source/blender/blenlib/BLI_math_base.hh new file mode 100644 index 00000000000..6a988eda8a9 --- /dev/null +++ b/source/blender/blenlib/BLI_math_base.hh @@ -0,0 +1,104 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later + * Copyright 2022 Blender Foundation. */ + +#pragma once + +/** \file + * \ingroup bli + */ + +#include <algorithm> +#include <cmath> +#include <type_traits> + +#include "BLI_math_base_safe.h" +#include "BLI_math_vec_types.hh" +#include "BLI_utildefines.h" + +#ifdef WITH_GMP +# include "BLI_math_mpq.hh" +#endif + +namespace blender::math { + +template<typename T> inline bool is_zero(const T &a) +{ + return a == T(0); +} + +template<typename T> inline bool is_any_zero(const T &a) +{ + return is_zero(a); +} + +template<typename T> inline T abs(const T &a) +{ + return std::abs(a); +} + +template<typename T> inline T min(const T &a, const T &b) +{ + return std::min(a, b); +} + +template<typename T> inline T max(const T &a, const T &b) +{ + return std::max(a, b); +} + +template<typename T> inline T clamp(const T &a, const T &min, const T &max) +{ + return std::clamp(a, min, max); +} + +template<typename T, BLI_ENABLE_IF((is_math_float_type<T>))> inline T mod(const T &a, const T &b) +{ + return std::fmod(a, b); +} + +template<typename T, BLI_ENABLE_IF((is_math_float_type<T>))> +inline T safe_mod(const T &a, const T &b) +{ + return (b != 0) ? std::fmod(a, b) : 0; +} + +template<typename T> inline void min_max(const T &value, T &min, T &max) +{ + min = math::min(value, min); + max = math::max(value, max); +} + +template<typename T, BLI_ENABLE_IF((is_math_float_type<T>))> +inline T safe_divide(const T &a, const T &b) +{ + return (b != 0) ? a / b : T(0.0f); +} + +template<typename T, BLI_ENABLE_IF((is_math_float_type<T>))> inline T floor(const T &a) +{ + return std::floor(a); +} + +template<typename T, BLI_ENABLE_IF((is_math_float_type<T>))> inline T ceil(const T &a) +{ + return std::ceil(a); +} + +template<typename T, BLI_ENABLE_IF((is_math_float_type<T>))> inline T fract(const T &a) +{ + return a - std::floor(a); +} + +template<typename T, BLI_ENABLE_IF((is_math_float_type<T>))> +inline T interpolate(const T &a, const T &b, const T &t) +{ + return a * (1 - t) + b * t; +} + +template<typename T, BLI_ENABLE_IF((is_math_float_type<T>))> +inline T midpoint(const T &a, const T &b) +{ + return (a + b) * T(0.5); +} + +} // namespace blender::math |