Formula Question Variable. More...

Collaboration diagram for assFormulaQuestionVariable:

Public Member Functions
	__construct ($variable, $range_min, $range_max, $unit=null, $precision=0, $intprecision=1)
	assFormulaQuestionVariable constructor
	getRandomValue ()
	setRandomValue ()
	setValue ($value)
	getValue ()
	getBaseValue ()
	setPrecision ($precision)
	getPrecision ()
	setVariable ($variable)
	getVariable ()
	setRangeMin ($range_min)
	getRangeMin ()
	setRangeMax ($range_max)
	getRangeMax ()
	setUnit ($unit)
	getUnit ()
	setIntprecision ($intprecision)
	getIntprecision ()
	setRangeMaxTxt ($range_max_txt)
	getRangeMaxTxt ()
	setRangeMinTxt ($range_min_txt)
	getRangeMinTxt ()

Private Attributes
	$variable
	$range_min
	$range_max
	$unit
	$value
	$precision
	$intprecision
	$range_min_txt
	$range_max_txt

Detailed Description

Formula Question Variable.

Author: Helmut Schottmüller helmu.nosp@m.t.sc.nosp@m.hottm.nosp@m.uell.nosp@m.er@ma.nosp@m.c.co.nosp@m.m

Version

Id:: class.assFormulaQuestionVariable.php 465 2009-06-29 08:27:36Z hschottm

Definition at line 10 of file class.assFormulaQuestionVariable.php.

Constructor & Destructor Documentation

assFormulaQuestionVariable::__construct	(	$variable,
		$range_min,
		$range_max,
		$unit = `null`,
		$precision = `0`,
		$intprecision = `1`
	)

assFormulaQuestionVariable constructor

Parameters

string	$variable	Variable name
float	$range_min	Range minimum
float	$range_max	Range maximum
object	$unit	Unit
integer	$precision	Number of decimal places of the value
integer	$intprecision	Values with precision 0 must be divisible by this value public

Definition at line 33 of file class.assFormulaQuestionVariable.php.

References $intprecision, $precision, $range_max, $range_min, $unit, $variable, setRangeMax(), setRangeMaxTxt(), setRangeMin(), and setRangeMinTxt().

        {
                $this->variable = $variable;
                $this->setRangeMin($range_min);
                $this->setRangeMax($range_max);
                $this->unit         = $unit;
                $this->value        = NULL;
                $this->precision    = $precision;
                $this->intprecision = $intprecision;
                $this->setRangeMinTxt($range_min);
                $this->setRangeMaxTxt($range_max);
        }

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Member Function Documentation

assFormulaQuestionVariable::getBaseValue ( )

Definition at line 108 of file class.assFormulaQuestionVariable.php.

References $value, ilMath\_mul(), and getUnit().

        {
                if(!is_object($this->getUnit()))
                {
                        return $this->value;
                }
                else
                {
                        include_once "./Services/Math/classes/class.ilMath.php";
                        return ilMath::_mul($this->value, $this->getUnit()->getFactor());
                }
        }

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assFormulaQuestionVariable::getIntprecision ( )

Definition at line 187 of file class.assFormulaQuestionVariable.php.

References $intprecision.

Referenced by getRandomValue().

        {
                return $this->intprecision;
        }

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assFormulaQuestionVariable::getPrecision ( )

Definition at line 126 of file class.assFormulaQuestionVariable.php.

References $precision.

Referenced by getRandomValue().

        {
        //@todo TEST  
                
                return (int)$this->precision;
        }

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assFormulaQuestionVariable::getRandomValue ( )

Definition at line 46 of file class.assFormulaQuestionVariable.php.

References ilMath\_add(), ilMath\_div(), ilMath\_mul(), ilMath\_pow(), ilMath\_sub(), getIntprecision(), getPrecision(), getRangeMax(), and getRangeMin().

Referenced by setRandomValue().

        {
                
//              @todo check this
                
                include_once "./Services/Math/classes/class.ilMath.php";
                $mul     = ilMath::_pow(10, $this->getPrecision());
                $r1      = round(ilMath::_mul($this->getRangeMin(), $mul));
                $r2      = round(ilMath::_mul($this->getRangeMax(), $mul));
                $calcval = $this->getRangeMin() - 1;
//test          
                $roundedRangeMIN = round($this->getRangeMin(), $this->getPrecision());
                $roundedRangeMAX = round($this->getRangeMax(), $this->getPrecision());
                while($calcval < $roundedRangeMIN || $calcval > $roundedRangeMAX)
                
        
//              while($calcval < $this->getRangeMin() || $calcval > $this->getRangeMax())
                {
                        $rnd     = mt_rand($r1, $r2);
                        $calcval = ilMath::_div($rnd, $mul, $this->getPrecision());
                        if(($this->getPrecision() == 0) && ($this->getIntprecision() != 0))
                        {
                                if($this->getIntprecision() > 0)
                                {
                                        $modulo = $calcval % $this->getIntprecision();
                                        if($modulo != 0)
                                        {
                                                if($modulo < ilMath::_div($this->getIntprecision(), 2))
                                                {
                                                        $calcval = ilMath::_sub($calcval, $modulo, $this->getPrecision());
                                                }
                                                else
                                                {
                                                        $calcval = ilMath::_add($calcval, ilMath::_sub($this->getIntprecision(), $modulo, $this->getPrecision()), $this->getPrecision());
                                                }
                                        }
                                }
                        }
                }
                return $calcval;
        }

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assFormulaQuestionVariable::getRangeMax ( )

Definition at line 167 of file class.assFormulaQuestionVariable.php.

References $range_max.

Referenced by getRandomValue().

        {
                return (double)$this->range_max;
        }

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assFormulaQuestionVariable::getRangeMaxTxt ( )

Definition at line 197 of file class.assFormulaQuestionVariable.php.

References $range_max_txt.

        {
                return $this->range_max_txt;
        }

assFormulaQuestionVariable::getRangeMin ( )

Definition at line 153 of file class.assFormulaQuestionVariable.php.

References $range_min.

Referenced by getRandomValue().

        {
                return (double)$this->range_min;
        }

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assFormulaQuestionVariable::getRangeMinTxt ( )

Definition at line 207 of file class.assFormulaQuestionVariable.php.

References $range_min_txt.

        {
                return $this->range_min_txt;
        }

assFormulaQuestionVariable::getUnit ( )

Definition at line 177 of file class.assFormulaQuestionVariable.php.

References $unit.

Referenced by getBaseValue().

        {
                return $this->unit;
        }

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assFormulaQuestionVariable::getValue ( )

Definition at line 103 of file class.assFormulaQuestionVariable.php.

References $value.

        {
                return $this->value;
        }

assFormulaQuestionVariable::getVariable ( )

Definition at line 138 of file class.assFormulaQuestionVariable.php.

References $variable.

        {
                return $this->variable;
        }

assFormulaQuestionVariable::setIntprecision ( $intprecision )

Definition at line 182 of file class.assFormulaQuestionVariable.php.

References $intprecision.

        {
                $this->intprecision = $intprecision;
        }

assFormulaQuestionVariable::setPrecision ( $precision )

Definition at line 121 of file class.assFormulaQuestionVariable.php.

References $precision.

        {
                $this->precision = $precision;
        }

assFormulaQuestionVariable::setRandomValue ( )

Definition at line 89 of file class.assFormulaQuestionVariable.php.

References getRandomValue(), and setValue().

        {
                $this->setValue($this->getRandomValue());
        }

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assFormulaQuestionVariable::setRangeMax ( $range_max )

Definition at line 158 of file class.assFormulaQuestionVariable.php.

References $range_max, and $result.

Referenced by __construct().

        {
                include_once "./Services/Math/classes/class.EvalMath.php";
                $math                  = new EvalMath();
                $math->suppress_errors = TRUE;
                $result                = $math->evaluate($range_max);
                $this->range_max       = $result;
        }

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assFormulaQuestionVariable::setRangeMaxTxt ( $range_max_txt )

Definition at line 192 of file class.assFormulaQuestionVariable.php.

References $range_max_txt.

Referenced by __construct().

        {
                $this->range_max_txt = $range_max_txt;
        }

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assFormulaQuestionVariable::setRangeMin ( $range_min )

Definition at line 143 of file class.assFormulaQuestionVariable.php.

References $range_min, and $result.

Referenced by __construct().

        {
                include_once "./Services/Math/classes/class.EvalMath.php";
                $math                  = new EvalMath();
                $math->suppress_errors = TRUE;
                $result                = $math->evaluate($range_min);
                
                $this->range_min       = $result;
        }

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assFormulaQuestionVariable::setRangeMinTxt ( $range_min_txt )

Definition at line 202 of file class.assFormulaQuestionVariable.php.

References $range_min_txt.

Referenced by __construct(), and assFormulaQuestionGUI\writePostData().

        {
                $this->range_min_txt = $range_min_txt;
        }

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assFormulaQuestionVariable::setUnit ( $unit )

Definition at line 172 of file class.assFormulaQuestionVariable.php.

References $unit.

        {
                $this->unit = $unit;
        }

assFormulaQuestionVariable::setValue ( $value )

Definition at line 98 of file class.assFormulaQuestionVariable.php.

References $value.

Referenced by setRandomValue().

        {
                $this->value = $value;
        }

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assFormulaQuestionVariable::setVariable ( $variable )

Definition at line 133 of file class.assFormulaQuestionVariable.php.

References $variable.

        {
                $this->variable = $variable;
        }

Field Documentation

assFormulaQuestionVariable::$intprecision

private

Definition at line 18 of file class.assFormulaQuestionVariable.php.

Referenced by __construct(), getIntprecision(), and setIntprecision().

assFormulaQuestionVariable::$precision

private

Definition at line 17 of file class.assFormulaQuestionVariable.php.

Referenced by __construct(), getPrecision(), and setPrecision().

assFormulaQuestionVariable::$range_max

private

Definition at line 14 of file class.assFormulaQuestionVariable.php.

Referenced by __construct(), getRangeMax(), and setRangeMax().

assFormulaQuestionVariable::$range_max_txt

private

Definition at line 20 of file class.assFormulaQuestionVariable.php.

Referenced by getRangeMaxTxt(), and setRangeMaxTxt().

assFormulaQuestionVariable::$range_min

private

Definition at line 13 of file class.assFormulaQuestionVariable.php.

Referenced by __construct(), getRangeMin(), and setRangeMin().

assFormulaQuestionVariable::$range_min_txt

private

Definition at line 19 of file class.assFormulaQuestionVariable.php.

Referenced by getRangeMinTxt(), and setRangeMinTxt().

assFormulaQuestionVariable::$unit

private

Definition at line 15 of file class.assFormulaQuestionVariable.php.

Referenced by __construct(), getUnit(), and setUnit().

assFormulaQuestionVariable::$value

private

Definition at line 16 of file class.assFormulaQuestionVariable.php.

Referenced by getBaseValue(), getValue(), and setValue().

assFormulaQuestionVariable::$variable

private

Definition at line 12 of file class.assFormulaQuestionVariable.php.

Referenced by __construct(), getVariable(), and setVariable().

The documentation for this class was generated from the following file:

Modules/TestQuestionPool/classes/class.assFormulaQuestionVariable.php

Public Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Field Documentation