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AP_HAL: try to prevent use of double maths functions

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this will help reduce the number of misuses of double precision maths
functions
This commit is contained in:
Andrew Tridgell 2018-05-04 11:18:51 +10:00
parent 88ea7ac5fa
commit 097632eeb3
1 changed files with 38 additions and 0 deletions
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38
libraries/AP_HAL/AP_HAL_Macros.h
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@ -17,3 +17,41 @@
#endif
#define NORETURN __attribute__ ((noreturn))
#if CONFIG_HAL_BOARD == HAL_BOARD_SITL || CONFIG_HAL_BOARD == HAL_BOARD_LINUX
/*
allow double maths on Linux and SITL to avoid problems with system headers
*/
#define ALLOW_DOUBLE_MATH_FUNCTIONS
#endif
#if !defined(ALLOW_DOUBLE_MATH_FUNCTIONS)
/* give warnings if we use double precision maths functions without
specifying ALLOW_DOUBLE_TRIG_FUNCTIONS. Code should use the
equivalent f function instead (eg. use cosf() instead of
cos()). Individual cpp files that really do need double precision
should define ALLOW_DOUBLE_TRIG_FUNCTIONS before including
AP_Math.h
*/
#define sin(x) DO_NOT_USE_DOUBLE_MATHS()
#define cos(x) DO_NOT_USE_DOUBLE_MATHS()
#define tan(x) DO_NOT_USE_DOUBLE_MATHS()
#define acos(x) DO_NOT_USE_DOUBLE_MATHS()
#define asin(x) DO_NOT_USE_DOUBLE_MATHS()
#define atan(x) DO_NOT_USE_DOUBLE_MATHS()
#define atan2(x,y) DO_NOT_USE_DOUBLE_MATHS()
#define exp(x) DO_NOT_USE_DOUBLE_MATHS()
#define pow(x,y) DO_NOT_USE_DOUBLE_MATHS()
#define sqrt(x) DO_NOT_USE_DOUBLE_MATHS()
#define log2(x) DO_NOT_USE_DOUBLE_MATHS()
#define log10(x) DO_NOT_USE_DOUBLE_MATHS()
#define ceil(x) DO_NOT_USE_DOUBLE_MATHS()
#define floor(x) DO_NOT_USE_DOUBLE_MATHS()
#define round(x) DO_NOT_USE_DOUBLE_MATHS()
#if !HAL_WITH_UAVCAN
// we should do log() and fabs() as well, but can't because of a conflict in uavcan
#define log(x) DO_NOT_USE_DOUBLE_MATHS()
#define fabs(x) DO_NOT_USE_DOUBLE_MATHS()
#endif
#endif