|
|
|
|
#ifndef MACROS_H
|
|
|
|
|
#define MACROS_H
|
|
|
|
|
|
|
|
|
|
// Macros for bit masks
|
|
|
|
|
#define TEST(n,b) (((n)&_BV(b))!=0)
|
|
|
|
|
#define SBI(n,b) (n |= _BV(b))
|
|
|
|
|
#define CBI(n,b) (n &= ~_BV(b))
|
|
|
|
|
#define SET_BIT(n,b,value) (n) ^= ((-value)^(n)) & (_BV(b))
|
|
|
|
|
|
|
|
|
|
// Macros for maths shortcuts
|
|
|
|
|
#define RADIANS(d) ((d)*M_PI/180.0)
|
|
|
|
|
#define DEGREES(r) ((r)*180.0/M_PI)
|
|
|
|
|
|
|
|
|
|
// Macros to contrain values
|
|
|
|
|
#define NOLESS(v,n) do{ if (v < n) v = n; }while(0)
|
|
|
|
|
#define NOMORE(v,n) do{ if (v > n) v = n; }while(0)
|
|
|
|
|
|
|
|
|
|
// Macros to support option testing
|
|
|
|
|
#define _CAT(a, ...) a ## __VA_ARGS__
|
|
|
|
|
#define SWITCH_ENABLED_false 0
|
|
|
|
|
#define SWITCH_ENABLED_true 1
|
|
|
|
|
#define SWITCH_ENABLED_0 0
|
|
|
|
|
#define SWITCH_ENABLED_1 1
|
|
|
|
|
#define SWITCH_ENABLED_ 1
|
|
|
|
|
#define ENABLED(b) _CAT(SWITCH_ENABLED_, b)
|
|
|
|
|
#define DISABLED(b) (!_CAT(SWITCH_ENABLED_, b))
|
|
|
|
|
|
|
|
|
|
#define COUNT(a) (sizeof(a)/sizeof(*a))
|
|
|
|
|
|
|
|
|
|
#endif //__MACROS_H
|
