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0b2d4d4879
Recommendation is to avoid using the year nomenclature as this information is already encoded in the git repo. Avoids needing to repeatly update. Also updates AUTHORS.txt from current repo with contributor names
77 lines
2.9 KiB
C
77 lines
2.9 KiB
C
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2011-2014 Jean-Pierre Charras
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* Copyright The KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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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_KM 1e3 // km to meter
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#define UNIT_M 1 // m to meter
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#define UNIT_CM 1e-2 // cm to meter
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#define UNIT_MM 1e-3 // mm to meter
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#define UNIT_MICRON 1e-6 // um 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_FEET 0.3048 // feet to meter
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#define UNIT_OZSQFT (34.40*UNIT_MICRON) // 1 oz/ft^2 is 34.30 microns nominal, 30.90 minimum
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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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#define UNIT_OHM_PER_METER 1.0 // Ohm per meter to Ohm per meter
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#define UNIT_OHM_PER_KILOMETER 1e-3 // Ohm per kilometer to Ohm per meter
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#define UNIT_OHM_PER_FEET 3.28084 // Ohm per feet to Ohm per meter
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#define UNIT_OHM_PER_1000FEET 3.28084e-3 // Ohm per 1000feet to Ohm per meter
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#define UNIT_KILOVOLT 1e-3 // Kilovolt to Volt
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#define UNIT_VOLT 1.0 // Volt to Volt
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#define UNIT_MILLIVOLT 1e+3 // Millivolt to Volt
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#define UNIT_MEGAWATT 1e-6 // Kilowatt to Watt
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#define UNIT_KILOWATT 1e-3 // Kilowatt to Watt
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#define UNIT_WATT 1.0 // Watt to Watt
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#define UNIT_MILLIWATT 1e+3 // Milliwatt to Watt
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#define UNIT_METER_PER_SECOND 1.0 // meter per second to meter per second
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#define UNIT_KILOMETER_PER_HOUR ( 1 / 3.6 ) // km/h to m/s
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#define UNIT_FEET_PER_SECOND 0.3048 // ft/s to m/s
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#define UNIT_MILES_PER_HOUR 1609.34 // mi/h to m/s
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#define UNIT_SECOND 1.0 // second to second
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#define UNIT_MSECOND 1e-3 // millisecond to second
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#define UNIT_USECOND 1e-6 // microsecond to second
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#define UNIT_NSECOND 1e-9 // nanosecond to second
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#define UNIT_PSECOND 1e-12 // picosecond to second
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#endif // UNITS_SCALES_H
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