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Smarter MIN, MAX, ABS macros

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Use macros that explicitly avoid double-evaluation and can be used for any datatype, replacing `min`, `max`, `abs`, `fabs`, `labs`, and `FABS`.

Co-Authored-By: ejtagle <ejtagle@hotmail.com>
This commit is contained in:
Scott Lahteine
2018-05-13 01:10:34 -05:00
parent 083ec9963e
commit 99ecdf59af
52 changed files with 206 additions and 247 deletions
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7
Marlin/src/HAL/HAL_LPC1768/include/Arduino.h
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@ -50,9 +50,11 @@ typedef uint8_t byte;
#define PSTR(v) (v)
#define PGM_P const char *
// Used for libraries, preprocessor, and constants
#define min(a,b) ((a)<(b)?(a):(b))
#define max(a,b) ((a)>(b)?(a):(b))
#define abs(x) ((x)>0?(x):-(x))
#ifndef isnan
#define isnan std::isnan
#endif
@ -60,11 +62,6 @@ typedef uint8_t byte;
#define isinf std::isinf
#endif
//not constexpr until c++14
//#define max(v1, v2) std::max((int)v1,(int)v2)
//#define min(v1, v2) std::min((int)v1,(int)v2)
//#define abs(v) std::abs(v)
#define sq(v) ((v) * (v))
#define square(v) sq(v)
#define constrain(value, arg_min, arg_max) ((value) < (arg_min) ? (arg_min) :((value) > (arg_max) ? (arg_max) : (value)))