530 lines
22 KiB
C++
530 lines
22 KiB
C++
/***************************************************************************
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* Copyright (c) 2011 Jürgen Riegel <juergen.riegel@web.de> *
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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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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <sstream>
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# include <cstdlib>
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#endif
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#include "Unit.h"
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#include "Quantity.h"
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#include "Exception.h"
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using namespace Base;
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static inline void checkRange(const char * op, int length, int mass, int time, int electricCurrent,
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int thermodynamicTemperature, int amountOfSubstance, int luminousIntensity, int angle)
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{
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if ( ( length >= (1 << (UnitSignatureLengthBits - 1)) ) ||
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( mass >= (1 << (UnitSignatureMassBits - 1)) ) ||
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( time >= (1 << (UnitSignatureTimeBits - 1)) ) ||
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( electricCurrent >= (1 << (UnitSignatureElectricCurrentBits - 1)) ) ||
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( thermodynamicTemperature >= (1 << (UnitSignatureThermodynamicTemperatureBits - 1)) ) ||
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( amountOfSubstance >= (1 << (UnitSignatureAmountOfSubstanceBits - 1)) ) ||
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( luminousIntensity >= (1 << (UnitSignatureLuminousIntensityBits - 1)) ) ||
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( angle >= (1 << (UnitSignatureAngleBits - 1)) ) )
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throw Base::OverflowError((std::string("Unit overflow in ") + std::string(op)).c_str());
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if ( ( length < -(1 << (UnitSignatureLengthBits - 1)) ) ||
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( mass < -(1 << (UnitSignatureMassBits - 1)) ) ||
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( time < -(1 << (UnitSignatureTimeBits - 1)) ) ||
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( electricCurrent < -(1 << (UnitSignatureElectricCurrentBits - 1)) ) ||
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( thermodynamicTemperature < -(1 << (UnitSignatureThermodynamicTemperatureBits - 1)) ) ||
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( amountOfSubstance < -(1 << (UnitSignatureAmountOfSubstanceBits - 1)) ) ||
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( luminousIntensity < -(1 << (UnitSignatureLuminousIntensityBits - 1)) ) ||
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( angle < -(1 << (UnitSignatureAngleBits - 1)) ) )
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throw Base::OverflowError((std::string("Unit underflow in ") + std::string(op)).c_str());
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}
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Unit::Unit(int8_t Length,
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int8_t Mass,
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int8_t Time,
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int8_t ElectricCurrent,
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int8_t ThermodynamicTemperature,
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int8_t AmountOfSubstance,
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int8_t LuminousIntensity,
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int8_t Angle)
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{
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checkRange("unit",
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(int32_t)Length,
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(int32_t)Mass,
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(int32_t)Time,
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(int32_t)ElectricCurrent,
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(int32_t)ThermodynamicTemperature,
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(int32_t)AmountOfSubstance,
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(int32_t)LuminousIntensity,
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(int32_t)Angle);
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Sig.Length = Length;
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Sig.Mass = Mass;
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Sig.Time = Time;
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Sig.ElectricCurrent = ElectricCurrent;
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Sig.ThermodynamicTemperature = ThermodynamicTemperature;
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Sig.AmountOfSubstance = AmountOfSubstance;
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Sig.LuminousIntensity = LuminousIntensity;
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Sig.Angle = Angle;
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}
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Unit::Unit()
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{
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Sig.Length = 0;
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Sig.Mass = 0;
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Sig.Time = 0;
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Sig.ElectricCurrent = 0;
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Sig.ThermodynamicTemperature = 0;
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Sig.AmountOfSubstance = 0;
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Sig.LuminousIntensity = 0;
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Sig.Angle = 0;
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}
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Unit::Unit(const Unit& that)
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{
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this->Sig = that.Sig;
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}
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Unit::Unit(const QString& expr)
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{
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try {
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*this = Quantity::parse(expr).getUnit();
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}
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catch (const Base::ParserError&) {
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Sig.Length = 0;
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Sig.Mass = 0;
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Sig.Time = 0;
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Sig.ElectricCurrent = 0;
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Sig.ThermodynamicTemperature = 0;
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Sig.AmountOfSubstance = 0;
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Sig.LuminousIntensity = 0;
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Sig.Angle = 0;
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}
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}
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Unit Unit::pow(signed char exp) const
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{
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checkRange("pow()",
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(int32_t)Sig.Length * (int32_t)exp,
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(int32_t)Sig.Mass * (int32_t)exp,
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(int32_t)Sig.Time * (int32_t)exp,
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(int32_t)Sig.ElectricCurrent * (int32_t)exp,
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(int32_t)Sig.ThermodynamicTemperature * (int32_t)exp,
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(int32_t)Sig.AmountOfSubstance * (int32_t)exp,
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(int32_t)Sig.LuminousIntensity * (int32_t)exp,
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(int32_t)Sig.Angle * (int32_t)exp);
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Unit result;
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result.Sig.Length = Sig.Length * exp;
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result.Sig.Mass = Sig.Mass * exp;
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result.Sig.Time = Sig.Time * exp;
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result.Sig.ElectricCurrent = Sig.ElectricCurrent * exp;
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result.Sig.ThermodynamicTemperature = Sig.ThermodynamicTemperature * exp;
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result.Sig.AmountOfSubstance = Sig.AmountOfSubstance * exp;
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result.Sig.LuminousIntensity = Sig.LuminousIntensity * exp;
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result.Sig.Angle = Sig.Angle * exp;
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return result;
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}
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bool Unit::isEmpty()const
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{
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return (this->Sig.Length == 0)
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&& (this->Sig.Mass == 0)
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&& (this->Sig.Time == 0)
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&& (this->Sig.ElectricCurrent == 0)
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&& (this->Sig.ThermodynamicTemperature == 0)
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&& (this->Sig.AmountOfSubstance == 0)
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&& (this->Sig.LuminousIntensity == 0)
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&& (this->Sig.Angle == 0);
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}
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bool Unit::operator ==(const Unit& that) const
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{
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return (this->Sig.Length == that.Sig.Length)
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&& (this->Sig.Mass == that.Sig.Mass)
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&& (this->Sig.Time == that.Sig.Time)
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&& (this->Sig.ElectricCurrent == that.Sig.ElectricCurrent)
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&& (this->Sig.ThermodynamicTemperature == that.Sig.ThermodynamicTemperature)
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&& (this->Sig.AmountOfSubstance == that.Sig.AmountOfSubstance)
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&& (this->Sig.LuminousIntensity == that.Sig.LuminousIntensity)
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&& (this->Sig.Angle == that.Sig.Angle);
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}
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Unit Unit::operator *(const Unit &right) const
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{
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checkRange("* operator",
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(int32_t)Sig.Length + (int32_t)right.Sig.Length,
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(int32_t)Sig.Mass + (int32_t)right.Sig.Mass,
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(int32_t)Sig.Time + (int32_t)right.Sig.Time,
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(int32_t)Sig.ElectricCurrent + (int32_t)right.Sig.ElectricCurrent,
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(int32_t)Sig.ThermodynamicTemperature + (int32_t)right.Sig.ThermodynamicTemperature,
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(int32_t)Sig.AmountOfSubstance + (int32_t)right.Sig.AmountOfSubstance,
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(int32_t)Sig.LuminousIntensity + (int32_t)right.Sig.LuminousIntensity,
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(int32_t)Sig.Angle + (int32_t)right.Sig.Angle);
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Unit result;
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result.Sig.Length = Sig.Length + right.Sig.Length;
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result.Sig.Mass = Sig.Mass + right.Sig.Mass;
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result.Sig.Time = Sig.Time + right.Sig.Time;
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result.Sig.ElectricCurrent = Sig.ElectricCurrent + right.Sig.ElectricCurrent;
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result.Sig.ThermodynamicTemperature = Sig.ThermodynamicTemperature + right.Sig.ThermodynamicTemperature;
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result.Sig.AmountOfSubstance = Sig.AmountOfSubstance + right.Sig.AmountOfSubstance;
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result.Sig.LuminousIntensity = Sig.LuminousIntensity + right.Sig.LuminousIntensity;
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result.Sig.Angle = Sig.Angle + right.Sig.Angle;
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return result;
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}
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Unit Unit::operator /(const Unit &right) const
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{
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checkRange("/ operator",
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(int32_t)Sig.Length - (int32_t)right.Sig.Length,
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(int32_t)Sig.Mass - (int32_t)right.Sig.Mass,
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(int32_t)Sig.Time - (int32_t)right.Sig.Time,
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(int32_t)Sig.ElectricCurrent - (int32_t)right.Sig.ElectricCurrent,
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(int32_t)Sig.ThermodynamicTemperature - (int32_t)right.Sig.ThermodynamicTemperature,
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(int32_t)Sig.AmountOfSubstance - (int32_t)right.Sig.AmountOfSubstance,
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(int32_t)Sig.LuminousIntensity - (int32_t)right.Sig.LuminousIntensity,
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(int32_t)Sig.Angle - (int32_t)right.Sig.Angle);
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Unit result;
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result.Sig.Length = Sig.Length - right.Sig.Length;
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result.Sig.Mass = Sig.Mass - right.Sig.Mass;
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result.Sig.Time = Sig.Time - right.Sig.Time;
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result.Sig.ElectricCurrent = Sig.ElectricCurrent - right.Sig.ElectricCurrent;
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result.Sig.ThermodynamicTemperature = Sig.ThermodynamicTemperature - right.Sig.ThermodynamicTemperature;
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result.Sig.AmountOfSubstance = Sig.AmountOfSubstance - right.Sig.AmountOfSubstance;
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result.Sig.LuminousIntensity = Sig.LuminousIntensity - right.Sig.LuminousIntensity;
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result.Sig.Angle = Sig.Angle - right.Sig.Angle;
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return result;
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}
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Unit& Unit::operator = (const Unit &New)
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{
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Sig.Length = New.Sig.Length;
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Sig.Mass = New.Sig.Mass;
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Sig.Time = New.Sig.Time;
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Sig.ElectricCurrent = New.Sig.ElectricCurrent;
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Sig.ThermodynamicTemperature = New.Sig.ThermodynamicTemperature;
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Sig.AmountOfSubstance = New.Sig.AmountOfSubstance;
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Sig.LuminousIntensity = New.Sig.LuminousIntensity;
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Sig.Angle = New.Sig.Angle;
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return *this;
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}
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QString Unit::getString() const
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{
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std::stringstream ret;
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if (isEmpty())
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return QString();
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if (Sig.Length > 0 ||
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Sig.Mass > 0 ||
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Sig.Time > 0 ||
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Sig.ElectricCurrent > 0 ||
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Sig.ThermodynamicTemperature> 0 ||
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Sig.AmountOfSubstance > 0 ||
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Sig.LuminousIntensity > 0 ||
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Sig.Angle > 0 ){
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bool mult = false;
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if (Sig.Length > 0) {
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mult = true;
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ret << "mm";
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if (Sig.Length > 1)
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ret << "^" << Sig.Length;
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}
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if (Sig.Mass > 0) {
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if (mult)
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ret<<'*';
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mult = true;
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ret << "kg";
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if (Sig.Mass > 1)
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ret << "^" << Sig.Mass;
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}
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if (Sig.Time > 0) {
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if (mult)
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ret<<'*';
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mult = true;
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ret << "s";
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if (Sig.Time > 1)
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ret << "^" << Sig.Time;
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}
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if (Sig.ElectricCurrent > 0) {
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if (mult) ret<<'*';
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mult = true;
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ret << "A";
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if (Sig.ElectricCurrent > 1)
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ret << "^" << Sig.ElectricCurrent;
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}
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if (Sig.ThermodynamicTemperature > 0) {
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if (mult)
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ret<<'*';
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mult = true;
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ret << "K";
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if (Sig.ThermodynamicTemperature > 1)
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ret << "^" << Sig.ThermodynamicTemperature;
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}
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if (Sig.AmountOfSubstance > 0){
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if (mult)
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ret<<'*';
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mult = true;
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ret << "mol";
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if (Sig.AmountOfSubstance > 1)
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ret << "^" << Sig.AmountOfSubstance;
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}
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if (Sig.LuminousIntensity > 0) {
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if (mult)
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ret<<'*';
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mult = true;
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ret << "cd";
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if (Sig.LuminousIntensity > 1)
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ret << "^" << Sig.LuminousIntensity;
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}
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if (Sig.Angle > 0) {
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if (mult)
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ret<<'*';
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mult = true;
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ret << "deg";
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if (Sig.Angle > 1)
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ret << "^" << Sig.Angle;
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}
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}
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else {
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ret << "1";
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}
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if (Sig.Length < 0 ||
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Sig.Mass < 0 ||
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Sig.Time < 0 ||
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Sig.ElectricCurrent < 0 ||
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Sig.ThermodynamicTemperature< 0 ||
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Sig.AmountOfSubstance < 0 ||
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Sig.LuminousIntensity < 0 ||
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Sig.Angle < 0 ){
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ret << "/";
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int nnom = 0;
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nnom += Sig.Length<0?1:0;
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nnom += Sig.Mass<0?1:0;
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nnom += Sig.Time<0?1:0;
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nnom += Sig.ElectricCurrent<0?1:0;
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nnom += Sig.ThermodynamicTemperature<0?1:0;
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nnom += Sig.AmountOfSubstance<0?1:0;
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nnom += Sig.LuminousIntensity<0?1:0;
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nnom += Sig.Angle<0?1:0;
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if (nnom > 1)
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ret << '(';
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bool mult=false;
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if (Sig.Length < 0) {
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ret << "mm";
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mult = true;
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if (Sig.Length < -1)
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ret << "^" << abs(Sig.Length);
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}
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if (Sig.Mass < 0) {
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if (mult)
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ret<<'*';
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mult = true;
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ret << "kg";
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if (Sig.Mass < -1)
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ret << "^" << abs(Sig.Mass);
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}
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if (Sig.Time < 0) {
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if (mult)
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ret<<'*';
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mult = true;
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ret << "s";
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if (Sig.Time < -1)
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ret << "^" << abs(Sig.Time);
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}
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if (Sig.ElectricCurrent < 0) {
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if (mult)
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ret<<'*';
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mult = true;
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ret << "A";
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if (Sig.ElectricCurrent < -1)
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ret << "^" << abs(Sig.ElectricCurrent);
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}
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if (Sig.ThermodynamicTemperature < 0) {
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if (mult)
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ret<<'*';
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mult = true;
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ret << "K";
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if (Sig.ThermodynamicTemperature < -1)
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ret << "^" << abs(Sig.ThermodynamicTemperature);
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}
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if (Sig.AmountOfSubstance < 0) {
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if (mult)
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ret<<'*';
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mult = true;
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ret << "mol";
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if (Sig.AmountOfSubstance < -1)
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ret << "^" << abs(Sig.AmountOfSubstance);
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}
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if (Sig.LuminousIntensity < 0) {
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if (mult)
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ret<<'*';
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mult = true;
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ret << "cd";
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if (Sig.LuminousIntensity < -1)
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ret << "^" << abs(Sig.LuminousIntensity);
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}
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if (Sig.Angle < 0) {
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if (mult)
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ret<<'*';
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mult = true;
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ret << "deg";
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if (Sig.Angle < -1)
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ret << "^" << abs(Sig.Angle);
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}
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if (nnom > 1)
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ret << ')';
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}
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return QString::fromUtf8(ret.str().c_str());
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}
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QString Unit::getTypeString() const
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{
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if(*this == Unit::Length ) return QString::fromLatin1("Length");
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if(*this == Unit::Area ) return QString::fromLatin1("Area");
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if(*this == Unit::Volume ) return QString::fromLatin1("Volume");
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if(*this == Unit::Mass ) return QString::fromLatin1("Mass");
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if(*this == Unit::Angle ) return QString::fromLatin1("Angle");
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if(*this == Unit::Density ) return QString::fromLatin1("Density");
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if(*this == Unit::TimeSpan ) return QString::fromLatin1("TimeSpan");
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if(*this == Unit::Frequency ) return QString::fromLatin1("Frequency");
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if(*this == Unit::Velocity ) return QString::fromLatin1("Velocity");
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if(*this == Unit::Acceleration ) return QString::fromLatin1("Acceleration");
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if(*this == Unit::Temperature ) return QString::fromLatin1("Temperature");
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if(*this == Unit::ElectricCurrent ) return QString::fromLatin1("ElectricCurrent");
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if(*this == Unit::ElectricPotential ) return QString::fromLatin1("ElectricPotential");
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if(*this == Unit::ElectricCharge ) return QString::fromLatin1("ElectricCharge");
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if(*this == Unit::MagneticFieldStrength ) return QString::fromLatin1("MagneticFieldStrength");
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if(*this == Unit::MagneticFlux ) return QString::fromLatin1("MagneticFlux");
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if(*this == Unit::MagneticFluxDensity ) return QString::fromLatin1("MagneticFluxDensity");
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if(*this == Unit::ElectricalCapacitance ) return QString::fromLatin1("ElectricalCapacitance");
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if(*this == Unit::ElectricalInductance ) return QString::fromLatin1("ElectricalInductance");
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if(*this == Unit::ElectricalConductance ) return QString::fromLatin1("ElectricalConductance");
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if(*this == Unit::ElectricalResistance ) return QString::fromLatin1("ElectricalResistance");
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if(*this == Unit::ElectricalConductivity ) return QString::fromLatin1("ElectricalConductivity");
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if(*this == Unit::AmountOfSubstance ) return QString::fromLatin1("AmountOfSubstance");
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if(*this == Unit::LuminousIntensity ) return QString::fromLatin1("LuminousIntensity");
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if(*this == Unit::Pressure ) return QString::fromLatin1("Pressure");
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if(*this == Unit::Force ) return QString::fromLatin1("Force");
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if(*this == Unit::Work ) return QString::fromLatin1("Work");
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if(*this == Unit::Power ) return QString::fromLatin1("Power");
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if(*this == Unit::Stiffness ) return QString::fromLatin1("Stiffness");
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if(*this == Unit::SpecificEnergy ) return QString::fromLatin1("SpecificEnergy");
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if(*this == Unit::ThermalConductivity ) return QString::fromLatin1("ThermalConductivity");
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if(*this == Unit::ThermalExpansionCoefficient ) return QString::fromLatin1("ThermalExpansionCoefficient");
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if(*this == Unit::VolumetricThermalExpansionCoefficient ) return QString::fromLatin1("VolumetricThermalExpansionCoefficient");
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if(*this == Unit::SpecificHeat ) return QString::fromLatin1("SpecificHeat");
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if(*this == Unit::ThermalTransferCoefficient ) return QString::fromLatin1("ThermalTransferCoefficient");
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if(*this == Unit::HeatFlux ) return QString::fromLatin1("HeatFlux");
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if(*this == Unit::DynamicViscosity ) return QString::fromLatin1("DynamicViscosity");
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if(*this == Unit::KinematicViscosity ) return QString::fromLatin1("KinematicViscosity");
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if(*this == Unit::VacuumPermittivity ) return QString::fromLatin1("VacuumPermittivity");
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return QString();
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}
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Unit Unit::Length(1);
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Unit Unit::Area(2);
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Unit Unit::Volume(3);
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Unit Unit::Mass(0,1);
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// Angle, deg
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Unit Unit::Angle (0,0,0,0,0,0,0,1);
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Unit Unit::AngleOfFriction (0,0,0,0,0,0,0,1);
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Unit Unit::Density(-3,1);
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Unit Unit::TimeSpan(0,0,1);
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Unit Unit::Frequency(0,0,-1);
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Unit Unit::Velocity(1,0,-1);
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Unit Unit::Acceleration(1,0,-2);
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Unit Unit::Temperature(0,0,0,0,1);
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Unit Unit::ElectricCurrent(0,0,0,1);
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Unit Unit::ElectricPotential(2,1,-3,-1);
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Unit Unit::ElectricCharge(0,0,1,1);
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Unit Unit::MagneticFieldStrength(-1,0,0,1);
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Unit Unit::MagneticFlux(2,1,-2,-1);
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Unit Unit::MagneticFluxDensity(0,1,-2,-1);
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Unit Unit::ElectricalCapacitance(-2,-1,4,2);
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Unit Unit::ElectricalInductance(2,1,-2,-2);
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Unit Unit::ElectricalConductance(-2,-1,3,2);
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Unit Unit::ElectricalResistance(2,1,-3,-2);
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Unit Unit::ElectricalConductivity(-3,-1,3,2);
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Unit Unit::AmountOfSubstance(0,0,0,0,0,1);
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Unit Unit::LuminousIntensity(0,0,0,0,0,0,1);
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// Pressure, kg/m*s^2 or N/m^2 or PSI or MPa
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Unit Unit::CompressiveStrength (-1,1,-2);
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Unit Unit::Pressure (-1,1,-2);
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Unit Unit::ShearModulus (-1,1,-2);
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Unit Unit::Stress (-1,1,-2);
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Unit Unit::UltimateTensileStrength (-1,1,-2);
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Unit Unit::YieldStrength (-1,1,-2);
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Unit Unit::YoungsModulus (-1,1,-2);
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// Stiffness [kg/s^-2]
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Unit Unit::Stiffness (0,1,-2);
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Unit Unit::Force (1,1,-2);
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Unit Unit::Work (2,1,-2);
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Unit Unit::Power (2,1,-3);
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Unit Unit::SpecificEnergy (2,0,-2);
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Unit Unit::ThermalConductivity (1,1,-3,0,-1);
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Unit Unit::ThermalExpansionCoefficient (0,0,0,0,-1);
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Unit Unit::VolumetricThermalExpansionCoefficient (0,0,0,0,-1);
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Unit Unit::SpecificHeat (2,0,-2,0,-1);
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Unit Unit::ThermalTransferCoefficient (0,1,-3,0,-1);
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Unit Unit::HeatFlux (0,1,-3,0,0);
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Unit Unit::DynamicViscosity (-1,1,-1); // SI unit: kg/m/s
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Unit Unit::KinematicViscosity (2,0,-1); // SI unit: m^2/s, https://en.wikipedia.org/wiki/Viscosity#Kinematic_viscosity
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Unit Unit::VacuumPermittivity (-3,-1,4,2); // SI unit: A²*s⁴/kg/m³ https://en.wikipedia.org/wiki/Permittivity#Vacuum_permittivity
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