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Templatize the clamp functions

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git-svn-id: https://svn.eduke32.com/eduke32@6293 1a8010ca-5511-0410-912e-c29ae57300e0
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terminx 2017-06-27 02:23:46 +00:00
parent 8932251ad2
commit 2dfc3acb38
1 changed files with 8 additions and 2 deletions
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10
source/build/include/compat.h
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@ -934,18 +934,24 @@ static FORCE_INLINE uint64_t B_UNBUF64(void const * const vbuf)
#endif
#define CLAMP_DECL static FORCE_INLINE WARN_UNUSED_RESULT
#ifdef __cplusplus
template <typename T, typename X, typename Y> CLAMP_DECL T clamp(T in, X min, Y max) { return in <= (T) min ? (T) min : (in >= (T) max ? (T) max : in); }
template <typename T, typename X, typename Y> CLAMP_DECL T clamp2(T in, X min, Y max) { return in >= (T) max ? (T) max : (in <= (T) min ? (T) min : in); }
# define fclamp clamp
# define fclamp2 clamp2
#else
// Clamp <in> to [<min>..<max>]. The case in <= min is handled first.
CLAMP_DECL int32_t clamp(int32_t in, int32_t min, int32_t max) { return in <= min ? min : (in >= max ? max : in); }
CLAMP_DECL float fclamp(float in, float min, float max) { return in <= min ? min : (in >= max ? max : in); }
// Clamp <in> to [<min>..<max>]. The case in >= max is handled first.
CLAMP_DECL int32_t clamp2(int32_t in, int32_t min, int32_t max) { return in >= max ? max : (in <= min ? min : in); }
CLAMP_DECL float fclamp2(float in, float min, float max) { return in >= max ? max : (in <= min ? min : in); }
#endif
////////// Mathematical operations //////////
#ifdef __cplusplus
#if CXXSTD >= 2011 || EDUKE32_MSVC_PREREQ(1800)
template <typename T>
struct DivResult