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Data Conversion Rules

MATLAB to COM VARIANT Conversion Rules (Continued)

MATLAB Data

Type

VARIANT Type for

Scalar Data

VARIANT Type for

Array Data Comments

double

A real 1-by-1 double

matrix converts to

VARIANT of type

VT_R8.Acomplex

1-by-1 double matrix

converts to a

VARIANT

of type VT_DISPATCH.

Areal

multidimensional

double matrix converts

to a

VARIANT of type

VT_R8|VT_ARRAY.

Acomplex

multidimensional

double matrix converts

to a

VARIANT of type

VT_DISPATCH.

Complex arrays are

passed to and from

compiled M-functions

using the

MWComplex

class. (See “Class

MWComplex” on page

C-25.)

single

A real 1-by-1 single

matrix converts to a

VARIANT of type VT_R4.

A c om p le x 1-by-1 single

matrix converts to

VARIANT of type

VT_DISPATCH.

Areal

multidimensional

single matrix converts

to a

VARIANT of type

VT_R4|VT_ARRAY.

Acomplex

multidimensional

single matrix converts

to a

VARIANT of type

VT_DISPATCH.

Complex arrays are

passed to and from

compiled M-functions

using the

MWComplex

class. (See “Class

MWComplex” on page

C-25.)

int8

Areal1-by-1int8

matrix converts to a

VARIANT of type VT_I1.

A complex 1-by-1

int8

matrix converts to

VARIANT of type

VT_DISPATCH.

Areal

multidimensional

int8

matrix converts to

VARIANT of type

T_I1|VT_ARRAY.

Acomplex

multidimensional

int8

matrix converts to

VARIANT of type

VT_DISPATCH.

Complex arrays are

passed to and from

compiled M-functions

using the

MWComplex

class. (See “Class

MWComplex” on page

C-25.)

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