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Optimization. Define variable if only exist in formula.

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--HG--
branch : develop
This commit is contained in:
dismine 2014-07-29 18:15:18 +03:00
parent 1a4953ad73
commit c0debc16e0
2 changed files with 45 additions and 105 deletions
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147
src/app/container/calculator.cpp
View File

@ -52,13 +52,10 @@ int Calculator::iVal = -1;
* @param data pointer to a variable container.
*/
Calculator::Calculator(const VContainer *data)
:QmuParser(), vVarVal(nullptr)
:QmuParser(), vVarVal(nullptr), data(data)
{
InitCharacterSets();
// Add variables
InitVariables(data);
// Add unary operators
DefinePostfixOprt(cm_Oprt, CmUnit);
DefinePostfixOprt(mm_Oprt, MmUnit);
@ -85,7 +82,7 @@ Calculator::Calculator(const VContainer *data)
* @param fromUser true if we parse formula from user
*/
Calculator::Calculator(const QString &formula, bool fromUser)
:QmuParser(), vVarVal(nullptr)
:QmuParser(), vVarVal(nullptr), data(nullptr)
{
InitCharacterSets();
SetVarFactory(AddVariable, this);
@ -123,7 +120,7 @@ Calculator::Calculator(const QString &formula, bool fromUser)
}
SetExpr(formula);
//Need run for making tokens. Don't catch exception here, because it will show us in dialog that formula has error.
//Need run for making tokens. Don't catch exception here, because because we want know if formula has error.
Eval();
}
@ -141,127 +138,69 @@ Calculator::~Calculator()
*/
qreal Calculator::EvalFormula(const QString &formula)
{
SetVarFactory(AddVariable, this);
SetExpr(formula);
return Eval();
qreal result = 0;
result = Eval();
QMap<int, QString> tokens = this->GetTokens();
if (tokens.isEmpty())
{
return result;
}
// Add variables
InitVariables(data, tokens);
result = Eval();
return result;
}
//---------------------------------------------------------------------------------------------------------------------
void Calculator::InitVariables(const VContainer *data)
void Calculator::InitVariables(const VContainer *data, const QMap<int, QString> &tokens)
{
int num = 0;
if (qApp->patternType() == MeasurementsType::Standard)
{
num +=2;
vVarVal = new qreal[2];
}
const QMap<QString, VLengthLine *> lengthLines = data->DataLengthLines();
num += lengthLines.size();
const QHash<QString, VInternalVariable*> *vars = data->DataVariables();
const QMap<QString, VLengthSpline *> lengthSplines = data->DataLengthSplines();
num += lengthSplines.size();
const QMap<QString, VLengthArc *> lengthArcs = data->DataLengthArcs();
num += lengthArcs.size();
const QMap<QString, VLineAngle *> lineAngles = data->DataLineAngles();
num += lineAngles.size();
const QMap<QString, VMeasurement*> measurements = data->DataMeasurements();
num += measurements.size();
const QMap<QString, VIncrement*> increments = data->DataIncrements();
num += increments.size();
vVarVal = new qreal[num];
int j = 0;
if (qApp->patternType() == MeasurementsType::Standard)
QMap<int, QString>::const_iterator i = tokens.constBegin();
while (i != tokens.constEnd())
{
vVarVal[j] = data->size();
DefineVar(data->SizeName(), &vVarVal[j]);
++j;
vVarVal[j] = data->height();
DefineVar(data->HeightName(), &vVarVal[j]);
++j;
}
if (vars->contains(i.value()))
{
QMap<QString, VLengthLine *>::const_iterator i = lengthLines.constBegin();
while (i != lengthLines.constEnd())
{
vVarVal[j] = *i.value()->GetValue();
DefineVar(i.key(), &vVarVal[j]);
++j;
++i;
}
}
{
QMap<QString, VLengthSpline *>::const_iterator i = lengthSplines.constBegin();
while (i != lengthSplines.constEnd())
{
vVarVal[j] = *i.value()->GetValue();
DefineVar(i.key(), &vVarVal[j]);
++j;
++i;
}
}
{
QMap<QString, VLengthArc *>::const_iterator i = lengthArcs.constBegin();
while (i != lengthArcs.constEnd())
{
vVarVal[j] = *i.value()->GetValue();
DefineVar(i.key(), &vVarVal[j]);
++j;
++i;
}
}
{
QMap<QString, VLineAngle *>::const_iterator i = lineAngles.constBegin();
while (i != lineAngles.constEnd())
{
vVarVal[j] = *i.value()->GetValue();
DefineVar(i.key(), &vVarVal[j]);
++j;
++i;
}
}
{
QMap<QString, VMeasurement*>::const_iterator i = measurements.constBegin();
while (i != measurements.constEnd())
{
VMeasurement *m = i.value();
if (qApp->patternType() == MeasurementsType::Standard)
VInternalVariable *var = vars->value(i.value());
if ((qApp->patternType() == MeasurementsType::Standard) &&
(var->GetType() == VarType::Measurement || var->GetType() == VarType::Increment))
{
VVariable *m = data->GetVariable<VVariable *>(i.value());
m->SetValue(data->size(), data->height());
}
vVarVal[j] = *m->GetValue();
DefineVar(i.key(), &vVarVal[j]);
++j;
++i;
}
DefineVar(i.value(), var->GetValue());
}
{
QMap<QString, VIncrement*>::const_iterator i = increments.constBegin();
while (i != increments.constEnd())
{
VIncrement *incr = i.value();
if (qApp->patternType() == MeasurementsType::Standard)
{
incr->SetValue(data->size(), data->height());
if (i.value() == data->SizeName())
{
vVarVal[0] = data->size();
DefineVar(data->SizeName(), &vVarVal[0]);
}
if (i.value() == data->HeightName())
{
vVarVal[1] = data->height();
DefineVar(data->HeightName(), &vVarVal[1]);
}
}
vVarVal[j] = *incr->GetValue();
DefineVar(i.key(), &vVarVal[j]);
++j;
++i;
}
}
}
//---------------------------------------------------------------------------------------------------------------------
void Calculator::InitCharacterSets()

3
src/app/container/calculator.h
View File

@ -63,7 +63,8 @@ private:
Q_DISABLE_COPY(Calculator)
qreal *vVarVal;
static int iVal;
void InitVariables(const VContainer *data);
const VContainer *data;
void InitVariables(const VContainer *data, const QMap<int, QString> &tokens);
void InitCharacterSets();
static qreal CmUnit(qreal val);
static qreal MmUnit(qreal val);