This is machine translation

Translated by Microsoft
Mouseover text to see original. Click the button below to return to the English verison of the page.

Note: This page has been translated by MathWorks. Please click here
To view all translated materals including this page, select Japan from the country navigator on the bottom of this page.

mxIsInt8 (C and Fortran)

Determine whether array represents data as signed 8-bit integers

C Syntax

#include "matrix.h"
bool mxIsInt8(const mxArray *pm);

Fortran Syntax

#include "fintrf.h"
integer*4 mxIsInt8(pm)
mwPointer pm



Pointer to an mxArray


Logical 1 (true) if the array stores its data as signed 8-bit integers, and logical 0 (false) otherwise.


Use mxIsInt8 to determine whether the specified array represents its real and imaginary data as 8-bit signed integers.

In C, calling mxIsInt8 is equivalent to calling:

mxGetClassID(pm) == mxINT8_CLASS

In Fortran, calling mxIsInt8 is equivalent to calling:

mxGetClassName(pm) .eq. 'int8'

Introduced before R2006a

Was this topic helpful?