ilMathAdapter Interface Reference

Interface ilMathAdapter. More...

Inheritance diagram for ilMathAdapter:

Collaboration diagram for ilMathAdapter:

Public Member Functions
	add ($left_operand, $right_operand, $scale=null)
	Adds two numbers. More...
	sub ($left_operand, $right_operand, $scale=null)
	Subtracts two numbers. More...
	mul ($left_operand, $right_operand, $scale=null)
	Multiplies two numbers. More...
	div ($left_operand, $right_operand, $scale=null)
	Divides two numbers. More...
	mod ($left_operand, $right_operand)
	Gets modulus of two numbers. More...
	pow ($left_operand, $right_operand, $scale=null)
	Raises a number to another. More...
	sqrt ($operand, $scale=null)
	Gets the square root of a number. More...
	comp ($left_operand, $right_operand, $scale=null)
	Compares two numbers. More...
	equals ($left_operand, $right_operand, $scale=null)
	Checks whether or not two numbers are identical. More...
	applyScale ($left_operand, $scale=null)
	round ($value, $precision=0)

Detailed Description

Interface ilMathAdapter.

Author

Michael Jansen mjans.nosp@m.en@d.nosp@m.ataba.nosp@m.y.de

Definition at line 8 of file interface.ilMathAdapter.php.

Member Function Documentation

add()

ilMathAdapter::add	(		$left_operand,
			$right_operand,
			$scale = null
	)

Adds two numbers.

Parameters

mixed	$left_operand
mixed	$right_operand
int	$scale

Returns

mixed

Implemented in ilMathBCMathAdapter, and ilMathPhpAdapter.

applyScale()

ilMathAdapter::applyScale	(		$left_operand,
			$scale = null
	)

Parameters

mixed	$left_operand
int	$scale

Returns

mixed

Implemented in ilMathBaseAdapter.

comp()

ilMathAdapter::comp	(		$left_operand,
			$right_operand,
			$scale = null
	)

Compares two numbers.

Parameters

mixed	$left_operand
mixed	$right_operand
int	$scale

Returns

mixed

Implemented in ilMathBCMathAdapter, and ilMathPhpAdapter.

Referenced by ilMathBaseAdapter\equals().

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div()

ilMathAdapter::div	(		$left_operand,
			$right_operand,
			$scale = null
	)

Divides two numbers.

Parameters

mixed	$left_operand
mixed	$right_operand
int	$scale

Returns

mixed

Exceptions

ilMathDivisionByZeroException

Implemented in ilMathBCMathAdapter, and ilMathPhpAdapter.

equals()

ilMathAdapter::equals	(		$left_operand,
			$right_operand,
			$scale = null
	)

Checks whether or not two numbers are identical.

Parameters

mixed	$left_operand
mixed	$right_operand
int	$scale

Returns

bool

Implemented in ilMathBaseAdapter.

mod()

ilMathAdapter::mod	(		$left_operand,
			$right_operand
	)

Gets modulus of two numbers.

Parameters

mixed	$left_operand
mixed	$right_operand

Returns

mixed

Exceptions

ilMathDivisionByZeroException

Implemented in ilMathBCMathAdapter, and ilMathPhpAdapter.

mul()

ilMathAdapter::mul	(		$left_operand,
			$right_operand,
			$scale = null
	)

Multiplies two numbers.

Parameters

mixed	$left_operand
mixed	$right_operand
int	$scale

Returns

mixed

Implemented in ilMathBCMathAdapter, and ilMathPhpAdapter.

pow()

ilMathAdapter::pow	(		$left_operand,
			$right_operand,
			$scale = null
	)

Raises a number to another.

Parameters

mixed	$left_operand
mixed	$right_operand
int	$scale

Returns

mixed

Implemented in ilMathBCMathAdapter, and ilMathPhpAdapter.

Referenced by ilMathBaseAdapter\normalize().

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round()

ilMathAdapter::round	(		$value,
			$precision = 0
	)

Parameters

mixed	$value
int	$precision

Returns

string

Implemented in ilMathBaseAdapter.

sqrt()

ilMathAdapter::sqrt	(		$operand,
			$scale = null
	)

Gets the square root of a number.

Parameters

mixed	$operand
int	$scale

Returns

mixed

Implemented in ilMathBCMathAdapter, and ilMathPhpAdapter.

sub()

ilMathAdapter::sub	(		$left_operand,
			$right_operand,
			$scale = null
	)

Subtracts two numbers.

Parameters

mixed	$left_operand
mixed	$right_operand
int	$scale

Returns

mixed

Implemented in ilMathBCMathAdapter, and ilMathPhpAdapter.

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

• Services/Math/interfaces/interface.ilMathAdapter.php