88f76f3605
Use well defined basic constants for conversion of imperial units. This makes code hopefully easily readable and verificable.
39 lines
1.8 KiB
C++
39 lines
1.8 KiB
C++
/************************************************************************
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library 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 Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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************************************************************************/
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#ifndef BASE_UNITSCONVDATA_H
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#define BASE_UNITSCONVDATA_H
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namespace Base::UnitsConvData
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{
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constexpr auto in {25.4};
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constexpr auto ft {12 * in};
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constexpr auto yd {3 * ft};
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constexpr auto mi {1760 * yd};
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constexpr auto lb {0.45359237};
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constexpr auto lbf {9.80665 * lb};
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constexpr auto psi {lbf / (in * in) * 1000};
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} // namespace Base::UnitsConvData
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#endif
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