/* * @file units_scales.h */ // Inside calculations, units are always meter, Hz, Ohm and Radian // These units are not very easy to handle, so we use conversion constants #ifndef UNITS_SCALES_H #define UNITS_SCALES_H #define UNIT_MM 1e-3 // mm to meter #define UNIT_CM 1e-2 // cm to meter #define UNIT_MICRON 1e-6 // µm to meter #define UNIT_INCH (1e-2*2.54) // inch to meter #define UNIT_MIL (1e-5*2.54) // mil (or thou) to meter #define UNIT_GHZ 1e9 #define UNIT_MHZ 1e6 #define UNIT_KHZ 1e3 #define UNIT_DEGREE (M_PI/180.0) // degree to radian #define UNIT_RADIAN 1.0 // Radian to radian #define UNIT_OHM 1.0 // Ohm to Ohm #define UNIT_KOHM 1e3 // KOhm to Ohm #endif // UNITS_SCALES_H