doubleinstruction.cpp

嵌入式Qt下的一个计算器源码

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** Copyright (C) 2000-2006 TROLLTECH ASA. All rights reserved.
**
** This file is part of the Phone Edition of the Qtopia Toolkit.
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**   information about Trolltech's Commercial License Agreements.
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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// Maths libraries
#include <math.h>

#include "doubleinstruction.h"
#ifdef ENABLE_INTEGER
#include "integerdata.h"
#endif
#ifdef ENABLE_FRACTION
#include "fractiondata.h"
#endif

#include "engine.h"

int isOddInt(double value) {
    double temp;
    return ( modf(value, &temp) == 0.0 && modf(value/2, &temp) == 0.5 );
}

// Base class
BaseDoubleInstruction::BaseDoubleInstruction() {
    retType = type = "Double"; // No tr
}

BaseDoubleInstruction::~BaseDoubleInstruction(){};

void BaseDoubleInstruction::eval() {
    DoubleData *acc = (DoubleData *)systemEngine->getData();
    if (argCount == 1)
	doEvalI(acc);
    else {
	DoubleData *num = (DoubleData *)systemEngine->getData();
	doEval(num,acc);
	delete num;
    }
    delete acc;
}
void BaseDoubleInstruction::doEval(DoubleData *acc, DoubleData *num) {
    systemEngine->putData(num);
    systemEngine->putData(acc);
}
void BaseDoubleInstruction::doEvalI(DoubleData *acc) {
    systemEngine->putData(acc);
}

// Factory
iDoubleFactory::iDoubleFactory():Instruction() {
    retType = type = "Double"; // No tr
    name = "Factory"; // No tr
}
void iDoubleFactory::eval() {
    DoubleData *newData = new DoubleData();
    newData->clear();
    systemEngine->putData(newData);
}

// Copy
iDoubleCopy::iDoubleCopy():Instruction() {
    name = "Copy"; // No tr
    retType = type = "Double"; // No tr
    argCount = 1;
}
void iDoubleCopy::eval() {
    DoubleData *src = (DoubleData *)systemEngine->getData();
    DoubleData *tgt = new DoubleData();
    tgt->clear();
    tgt->set(((DoubleData *)src)->get());
    systemEngine->putData(src);
    systemEngine->putData(tgt);
};

#ifdef ENABLE_INTEGER
iConvertIntDouble::iConvertIntDouble():Instruction() {
    name = "Convert"; // No tr
    typeOne = "Int"; // No tr
    typeTwo = "Double"; // No tr
}
void iConvertIntDouble::eval(Data *d) {
    DoubleData *ret = new DoubleData();;
    IntegerData *i = (IntegerData *)d;
    ret->set((double)i->get());
    return ret;
}
#endif
#ifdef ENABLE_FRACTION
iConvertFractionDouble::iConvertFractionDouble():Instruction() {
    name = "Convert"; // No tr
    type = "Fraction"; // No tr
    retType = "Double"; // No tr
}
void iConvertFractionDouble::eval() {
    DoubleData *ret = new DoubleData();
    FractionData *f = (FractionData *)systemEngine->getData();
    if (!f->getDenominator()) {
	systemEngine->setError(eDivZero);
	ret->set(0);
    } else {
	double num = f->getNumerator();
	double den = f->getDenominator();
	double val = num / den;
	ret->set(val);
    }
    delete f;
    systemEngine->putData(ret);
}
#endif
// Mathematical functions

iAddDoubleDouble::iAddDoubleDouble():BaseDoubleInstruction() {
    name = "Add"; // No tr
    precedence = 10;
    displayString = "+";
    argCount = 2;
}
iSubtractDoubleDouble::iSubtractDoubleDouble():BaseDoubleInstruction() {
    name = "Subtract"; // No tr
    precedence = 10;
    displayString = "-";
    argCount = 2;
}
iDivideDoubleDouble::iDivideDoubleDouble():BaseDoubleInstruction() {
    name = "Divide"; // No tr
    precedence = 15;
    displayString = "/";
    argCount = 2;
}
iMultiplyDoubleDouble::iMultiplyDoubleDouble():BaseDoubleInstruction() {
    name = "Multiply"; // No tr
    precedence = 15;
    displayString = "x";
    argCount = 2;
}

void iAddDoubleDouble::doEval(DoubleData *acc, DoubleData *num) {
    DoubleData *result = new DoubleData();
    result->set(acc->get() + num->get());
    systemEngine->putData(result);
}
void iSubtractDoubleDouble::doEval(DoubleData *acc, DoubleData *num) {
    DoubleData *result = new DoubleData();
    result->set(acc->get() - num->get());
    systemEngine->putData(result);
}
void iMultiplyDoubleDouble::doEval(DoubleData *acc, DoubleData *num) {
    DoubleData *result = new DoubleData();
    result->set(num->get() * acc->get());
    systemEngine->putData(result);
}
void iDivideDoubleDouble::doEval(DoubleData *acc, DoubleData *num) {
    if (num->get() == 0) {
	systemEngine->setError(eDivZero);
	return;
    }
    DoubleData *result = new DoubleData();
    result->set( acc->get() / num->get() );
    systemEngine->putData(result);
}
iDoubleNegate::iDoubleNegate():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "Negate"; // No tr
}
void iDoubleNegate::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    result->set( 0 - acc->get() );
    result->setEdited(true);
    systemEngine->putData(result);
}


#ifdef ENABLE_SCIENCE
void iDoublePow::doEval(DoubleData *acc, DoubleData *num) {
    DoubleData *result = new DoubleData();
    result->set( pow(acc->get(),num->get()) );
    systemEngine->putData(result);
}
void iDoubleXRootY::doEval(DoubleData *acc,DoubleData *num) {
    DoubleData *result = new DoubleData();
    if (acc->get() < 0 && isOddInt(num->get()))
        result->set( -1 * pow(-1*acc->get(), 1 / num->get()) );
    else 
        result->set( pow(acc->get(), 1 / num->get()) );
    systemEngine->putData(result);
}

// Immediate
//trigonometric functions radians mode
void iDoubleSinRad::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    result->set( sin(acc->get()) );
    systemEngine->putData(result);
}
void iDoubleCosRad::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    result->set( cos(acc->get()) );
    systemEngine->putData(result);
}
void iDoubleTanRad::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    result->set( tan(acc->get()) );
    systemEngine->putData(result);
}
void iDoubleASinRad::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    result->set( asin(acc->get()) );
    systemEngine->putData(result);
}
void iDoubleACosRad::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    result->set( acos(acc->get()) );
    systemEngine->putData(result);
}
void iDoubleATanRad::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    result->set( atan(acc->get()) );
    systemEngine->putData(result);
}
//trigonometric functions - degree mode
void iDoubleSinDeg::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    result->set( sin(acc->get()*M_PI/180) );
    systemEngine->putData(result);
}
void iDoubleCosDeg::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    result->set( cos(acc->get()*M_PI/180) );
    systemEngine->putData(result);
}
void iDoubleTanDeg::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    result->set( tan(acc->get()*M_PI/180) );
    systemEngine->putData(result);
}
void iDoubleASinDeg::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    result->set( asin(acc->get())*180/M_PI );
    systemEngine->putData(result);
}
void iDoubleACosDeg::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    result->set( acos(acc->get())*180/M_PI );
    systemEngine->putData(result);
}
void iDoubleATanDeg::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    result->set( atan(acc->get())*180/M_PI );
    systemEngine->putData(result);
}

//trigonometric functions - gradians mode
void iDoubleSinGra::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    result->set( sin(acc->get()*M_PI/200) );
    systemEngine->putData(result);
}
void iDoubleCosGra::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    result->set( cos(acc->get()*M_PI/200) );
    systemEngine->putData(result);
}
void iDoubleTanGra::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    result->set( tan(acc->get()*M_PI/200) );
    systemEngine->putData(result);
}
void iDoubleASinGra::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    result->set( asin(acc->get())*200/M_PI );
    systemEngine->putData(result);
}
void iDoubleACosGra::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    result->set( acos(acc->get())*200/M_PI );
    systemEngine->putData(result);
}
void iDoubleATanGra::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    result->set( atan(acc->get())*200/M_PI );
    systemEngine->putData(result);
}


void iDoubleLog::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    result->set( log10(acc->get()) );
    systemEngine->putData(result);
}
void iDoubleLn::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    result->set( log(acc->get()) );
    systemEngine->putData(result);
}
void iDoubleExp::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    result->set( exp(acc->get()) );
    systemEngine->putData(result);
}
void iDoubleOneOverX::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    result->set( 1 / acc->get() );
    systemEngine->putData(result);
}
void iDoubleFactorial::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    if (acc->get() < 0) {
	systemEngine->setError(eNonPositive);
    } else if ( acc->get() > 180 ) {
	systemEngine->setError(eOutOfRange);
    } else if ( acc->get() != int(acc->get()) ) {
	systemEngine->setError(eNonInteger);
    } else {
	int count = int(acc->get());
	result->set(1);
	while (count) {
	    result->set(result->get()*count);
	    count--;
	}
    }
    systemEngine->putData(result);
}
void iDoubleSquareRoot::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    result->set( sqrt(acc->get()) );
    systemEngine->putData(result);
}
void iDoubleCubeRoot::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
#ifndef Q_OS_WIN32
    result->set( cbrt(acc->get()) );
#else
    Engine->setError("Cubic root not available for WIN32"); // No tr
#endif
    systemEngine->putData(result);
}
void iDoubleSquare::doEvalI(DoubleData *acc) {
    DoubleData *result = new DoubleData();
    result->set( acc->get() * acc->get() );
    systemEngine->putData(result);
}

// Normal instructions with full precedence
iDoublePow::iDoublePow():BaseDoubleInstruction() {
    name = "Pow"; // No tr
    precedence = 20;
    displayString = "^";
    argCount = 2;
}
iDoubleSinRad::iDoubleSinRad():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "SinRad"; // No tr
}
iDoubleCosRad::iDoubleCosRad():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "CosRad"; // No tr
}
iDoubleTanRad::iDoubleTanRad():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "TanRad"; // No tr
}
iDoubleASinRad::iDoubleASinRad():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "aSinRad"; // No tr
}
iDoubleACosRad::iDoubleACosRad():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "aCosRad"; // No tr
}
iDoubleATanRad::iDoubleATanRad():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "aTanRad"; // No tr
}
iDoubleSinDeg::iDoubleSinDeg():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "SinDeg"; // No tr
}
iDoubleCosDeg::iDoubleCosDeg():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "CosDeg"; // No tr
}
iDoubleTanDeg::iDoubleTanDeg():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "TanDeg"; // No tr
}
iDoubleASinDeg::iDoubleASinDeg():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "aSinDeg"; // No tr
}
iDoubleACosDeg::iDoubleACosDeg():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "aCosDeg"; // No tr
}
iDoubleATanDeg::iDoubleATanDeg():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "aTanDeg"; // No tr
}
iDoubleSinGra::iDoubleSinGra():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "SinGra"; // No tr
}
iDoubleCosGra::iDoubleCosGra():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "CosGra"; // No tr
}
iDoubleTanGra::iDoubleTanGra():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "TanGra"; // No tr
}
iDoubleASinGra::iDoubleASinGra():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "aSinGra"; // No tr
}
iDoubleACosGra::iDoubleACosGra():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "aCosGra"; // No tr
}
iDoubleATanGra::iDoubleATanGra():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "aTanGra"; // No tr
}
iDoubleLog::iDoubleLog():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "Log"; // No tr
}
iDoubleLn::iDoubleLn():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "Ln"; // No tr
}
iDoubleExp::iDoubleExp():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "Exp"; // No tr
}
iDoubleOneOverX::iDoubleOneOverX():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "One over x"; // No tr
}
iDoubleFactorial::iDoubleFactorial():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "Factorial"; // No tr
}
iDoubleSquareRoot::iDoubleSquareRoot():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "Square root"; // No tr
}
iDoubleCubeRoot::iDoubleCubeRoot():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "Cube root"; // No tr
}
iDoubleXRootY::iDoubleXRootY():BaseDoubleInstruction() {
    name = "X root Y"; // No tr
    precedence = 20;
    displayString = "to the root";
    argCount = 2;
}
iDoubleSquare::iDoubleSquare():BaseDoubleInstruction() {
    precedence = 0;
    argCount = 1;
    name = "Square"; // No tr
}

#endif //ENABLE_SCIENCE