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d5f74e42d6
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast Wrong license statements corrected in several files. Copyright and license statements added in XSD and GLSL files. Copyright year updated in some files. Obsolete documentation files removed from DrawResources.
303 lines
9.1 KiB
C++
303 lines
9.1 KiB
C++
// Created on: 1992-06-24
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// Created by: Gilles DEBARBOUILLE
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// Copyright (c) 1992-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <Units_Measurement.ixx>
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#include <Units_UnitSentence.hxx>
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#include <Units_TokensSequence.hxx>
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#include <Units_Token.hxx>
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#include <Units_Dimensions.hxx>
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#include <Units.hxx>
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#include <Units_Operators.hxx>
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//=======================================================================
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//function : Units_Measurement
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//purpose :
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//=======================================================================
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Units_Measurement::Units_Measurement()
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{
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themeasurement = 0.;
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myHasToken = Standard_False;
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}
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//=======================================================================
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//function : Units_Measurement
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//purpose :
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//=======================================================================
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Units_Measurement::Units_Measurement(const Standard_Real avalue,
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const Handle(Units_Token)& atoken)
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{
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themeasurement = avalue;
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thetoken = atoken;
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myHasToken = Standard_True;
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}
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//=======================================================================
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//function : Units_Measurement
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//purpose :
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//=======================================================================
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Units_Measurement::Units_Measurement(const Standard_Real avalue,
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const Standard_CString aunit)
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{
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themeasurement=avalue;
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Units_UnitSentence unit(aunit);
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if(!unit.IsDone()) {
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cout<<"can not create Units_Measurement - incorrect unit"<<endl;
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myHasToken = Standard_False;
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}
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else {
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thetoken=unit.Evaluate();
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thetoken->Word(aunit);
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thetoken->Mean("U");
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myHasToken = Standard_True;
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}
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}
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//=======================================================================
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//function : Convert
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//purpose :
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//=======================================================================
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void Units_Measurement::Convert(const Standard_CString aunit)
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{
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Handle(Units_Token) oldtoken = thetoken;
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Units_UnitSentence newunit(aunit);
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if(!newunit.IsDone()) {
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cout<<"Units_Measurement: can not convert - incorrect unit => result is not correct"<<endl;
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return;
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}
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Handle(Units_Token) newtoken=newunit.Evaluate();
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Handle(Units_Token) token=oldtoken / newtoken;
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Handle(Units_Dimensions) dimensions=token->Dimensions();
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if(dimensions->IsEqual(Units::NullDimensions())) {
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thetoken=new Units_Token(aunit, "U");
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thetoken->Value(((newunit.Sequence())->Value(1))->Value());
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thetoken->Dimensions(((newunit.Sequence())->Value(1))->Dimensions());
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themeasurement = oldtoken->Multiplied(themeasurement);
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themeasurement = newtoken->Divided(themeasurement);
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}
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else {
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cout<<" The units don't have the same physical dimensions"<<endl;
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}
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}
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//=======================================================================
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//function : Integer
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//purpose :
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//=======================================================================
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Units_Measurement Units_Measurement::Integer() const
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{
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return Units_Measurement((Standard_Integer)themeasurement,thetoken);
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}
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//=======================================================================
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//function : Fractional
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//purpose :
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//=======================================================================
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Units_Measurement Units_Measurement::Fractional() const
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{
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return Units_Measurement(themeasurement-(Standard_Integer)themeasurement,thetoken);
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}
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//=======================================================================
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//function : Measurement
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//purpose :
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//=======================================================================
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Standard_Real Units_Measurement::Measurement() const
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{
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return themeasurement;
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}
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//=======================================================================
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//function : Token
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//purpose :
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//=======================================================================
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Handle(Units_Token) Units_Measurement::Token() const
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{
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return thetoken;
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}
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//=======================================================================
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//function : Add
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//purpose :
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//=======================================================================
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Units_Measurement Units_Measurement::Add
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(const Units_Measurement& ameasurement) const
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{
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Standard_Real value;
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Units_Measurement measurement;
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if(thetoken->Dimensions()->IsNotEqual((ameasurement.Token())->Dimensions()))
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return measurement;
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value = ameasurement.Token()->Multiplied(ameasurement.Measurement());
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value = thetoken->Divided(value);
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value = themeasurement + value;
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Handle(Units_Token) token = thetoken->Creates();
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return Units_Measurement(value,token);
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}
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//=======================================================================
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//function : Subtract
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//purpose :
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//=======================================================================
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Units_Measurement Units_Measurement::Subtract
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(const Units_Measurement& ameasurement) const
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{
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Standard_Real value;
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Units_Measurement measurement;
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if(thetoken->Dimensions()->IsNotEqual((ameasurement.Token())->Dimensions()))
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return measurement;
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value = ameasurement.Token()->Multiplied(ameasurement.Measurement());
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value = thetoken->Divided(value);
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value = themeasurement - value;
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Handle(Units_Token) token = thetoken->Creates();
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return Units_Measurement(value,token);
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}
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//=======================================================================
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//function : Multiply
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//purpose :
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//=======================================================================
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Units_Measurement Units_Measurement::Multiply
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(const Units_Measurement& ameasurement) const
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{
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Standard_Real value = themeasurement * ameasurement.Measurement();
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Handle(Units_Token) token = thetoken * ameasurement.Token();
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return Units_Measurement(value,token);
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}
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//=======================================================================
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//function : Multiply
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//purpose :
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//=======================================================================
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Units_Measurement Units_Measurement::Multiply
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(const Standard_Real avalue) const
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{
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Standard_Real value = themeasurement * avalue;
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Handle(Units_Token) token = thetoken->Creates();
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return Units_Measurement(value,token);
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}
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//=======================================================================
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//function : Divide
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//purpose :
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//=======================================================================
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Units_Measurement Units_Measurement::Divide
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(const Units_Measurement& ameasurement) const
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{
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Standard_Real value = themeasurement / ameasurement.Measurement();
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Handle(Units_Token) token = thetoken / ameasurement.Token();
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return Units_Measurement(value,token);
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}
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//=======================================================================
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//function : Divide
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//purpose :
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//=======================================================================
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Units_Measurement Units_Measurement::Divide
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(const Standard_Real avalue) const
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{
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Standard_Real value = themeasurement / avalue;
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Handle(Units_Token) token = thetoken->Creates();
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return Units_Measurement(value,token);
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}
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//=======================================================================
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//function : Power
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//purpose :
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//=======================================================================
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Units_Measurement Units_Measurement::Power
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(const Standard_Real anexponent) const
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{
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Standard_Real value = pow(themeasurement,anexponent);
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Handle(Units_Token) token = pow(thetoken,anexponent);
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return Units_Measurement(value,token);
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}
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//=======================================================================
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//function : HasToken
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//purpose :
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//=======================================================================
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Standard_Boolean Units_Measurement::HasToken() const
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{
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return myHasToken;
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}
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//=======================================================================
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//function : Dump
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//purpose :
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//=======================================================================
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void Units_Measurement::Dump() const
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{
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cout<<" Measurement : "<<themeasurement<<endl;
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thetoken->Dump(1,1);
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}
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#ifdef BUG
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//=======================================================================
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//function : operator*
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//purpose :
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//=======================================================================
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Units_Measurement operator*(const Standard_Real avalue,
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const Units_Measurement& ameasurement)
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{
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return ameasurement * avalue;
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}
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//=======================================================================
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//function : operator/
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//purpose :
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//=======================================================================
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Units_Measurement operator/(const Standard_Real avalue,const Units_Measurement& ameasurement)
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{
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return ameasurement / avalue;
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}
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#endif
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