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mxIsEmpty (C and Fortran)

Determine whether array is empty

C Syntax

#include "matrix.h"
bool mxIsEmpty(const mxArray *pm);

Fortran Syntax

integer*4 mxIsEmpty(pm)
mwPointer pm

Arguments

pm

Pointer to an mxArray

Returns

Logical 1 (true) if the mxArray is empty, and logical 0 (false) otherwise.

Description

Use mxIsEmpty to determine whether an mxArray contains no data. An mxArray is empty if the size of any of its dimensions is 0.

Examples

See the following examples in matlabroot/extern/examples/mx.

See Also

mxIsClass

Introduced before R2006a

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