AlgComplex

Files
file	AlgComplexUtils.c
	Provides basic complex number utilities.

Functions
double	AlgCModSq (ComplexD z)
	Computes the square of the modulus of the given complex value. More...
double	AlgCMod (ComplexD z)
	Computes the modulus of the given complex value. More...
double	AlgCArg (ComplexD z)
	Computes the argument of the given complex value. More...
double	AlgCRe (ComplexD z)
	Returns the real component of the given complex value. More...
double	AlgCIm (ComplexD z)
	Returns the imaginary component of the given complex value. More...
ComplexD	AlgCConj (ComplexD z)
	Returns the complex conjugate of the given complex value. More...
ComplexD	AlgCAdd (ComplexD z1, ComplexD z2)
	Computes the sum of the two given complex values. More...
ComplexD	AlgCSub (ComplexD z1, ComplexD z2)
	Subtracts the second complex value from the first. More...
ComplexD	AlgCMult (ComplexD z1, ComplexD z2)
	Multiplies the second complex value with the first. More...
ComplexD	AlgCDiv (ComplexD z1, ComplexD z2)
	Divides the first complex value by the second. More...
ComplexD	AlgCPow (ComplexD z, double y)
	Pomputes the value of the given complex value to the power of the given real value. More...

Detailed Description

Function Documentation

AlgCModSq()

double AlgCModSq

(

ComplexD

z

)

Computes the square of the modulus of the given complex value.

Returns

Square of modulus.

Parameters

z	Given complex value.

References _ComplexD::im, and _ComplexD::re.

Referenced by AlgCDiv().

AlgCMod()

double AlgCMod

(

ComplexD

z

)

Computes the modulus of the given complex value.

Returns

Modulus.

Parameters

z	Given complex value.

References _ComplexD::im, and _ComplexD::re.

Referenced by AlgCPow().

AlgCArg()

double AlgCArg

(

ComplexD

z

)

Computes the argument of the given complex value.

Returns

Argument.

Parameters

z	Given complex value.

References _ComplexD::im, and _ComplexD::re.

Referenced by AlgCPow().

AlgCRe()

double AlgCRe

(

ComplexD

z

)

Returns the real component of the given complex value.

Returns

Real component.

Parameters

z	Given complex value.

References _ComplexD::re.

AlgCIm()

double AlgCIm

(

ComplexD

z

)

Returns the imaginary component of the given complex value.

Returns

Imaginary component.

Parameters

z	Given complex value.

References _ComplexD::im.

AlgCConj()

ComplexD AlgCConj

(

ComplexD

z

)

Returns the complex conjugate of the given complex value.

Returns

Complex conjugate.

Parameters

z	Given complex value.

References _ComplexD::im, and _ComplexD::re.

Referenced by AlgCDiv().

AlgCAdd()

ComplexD AlgCAdd	(	ComplexD	z1,
		ComplexD	z2
	)

Computes the sum of the two given complex values.

Returns

Sum.

Parameters

z1	First complex value.
z2	Second complex value.

References _ComplexD::im, and _ComplexD::re.

AlgCSub()

ComplexD AlgCSub	(	ComplexD	z1,
		ComplexD	z2
	)

Subtracts the second complex value from the first.

Returns

Difference.

Parameters

z1	First complex value.
z2	Second complex value.

References _ComplexD::im, and _ComplexD::re.

AlgCMult()

ComplexD AlgCMult	(	ComplexD	z1,
		ComplexD	z2
	)

Multiplies the second complex value with the first.

Returns

Product.

Parameters

z1	First complex value.
z2	Second complex value.

References _ComplexD::im, and _ComplexD::re.

Referenced by AlgCDiv(), WlzBasisFnConf2DFromCPts(), and WlzBasisFnValueConf2D().

AlgCDiv()

ComplexD AlgCDiv	(	ComplexD	z1,
		ComplexD	z2
	)

Divides the first complex value by the second.

Returns

Ratio.

Parameters

z1	First complex value.
z2	Second complex value.

References AlgCConj(), AlgCModSq(), AlgCMult(), _ComplexD::im, and _ComplexD::re.

AlgCPow()

ComplexD AlgCPow	(	ComplexD	z,
		double	y
	)

Pomputes the value of the given complex value to the power of the given real value.

Returns

Power.

Parameters

z	Given complex value.
y	Given real value.

References AlgCArg(), AlgCMod(), _ComplexD::im, and _ComplexD::re.