28 lines
804 B
C
28 lines
804 B
C
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/*
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* @file units_scales.h
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*/
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// Inside calculations, units are always meter, Hz, Ohm and Radian
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// These units are not very easy to handle, so we use conversion constants
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#ifndef UNITS_SCALES_H
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#define UNITS_SCALES_H
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#define UNIT_MM 1e-3 // mm to meter
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#define UNIT_CM 1e-2 // cm to meter
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#define UNIT_MICRON 1e-6 // <20>m to meter
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#define UNIT_INCH (1e-2*2.54) // inch to meter
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#define UNIT_MIL (1e-5*2.54) // mil (or thou) to meter
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#define UNIT_GHZ 1e9
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#define UNIT_MHZ 1e6
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#define UNIT_KHZ 1e3
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#define UNIT_DEGREE (M_PI/180.0) // degree to radian
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#define UNIT_RADIAN 1.0 // Radian to radian
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#define UNIT_OHM 1.0 // Ohm to Ohm
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#define UNIT_KOHM 1e3 // KOhm to Ohm
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#endif // UNITS_SCALES_H
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