External Interfaces/API Reference

mxIsNumeric

True if mxArray is numeric

C Syntax

#include "matrix.h"
bool mxIsNumeric(const mxArray *array_ptr);

Arguments
array_ptr
   Pointer to an mxArray.

Returns

true if the array's storage type is:

• mxDOUBLE_CLASS
• mxSPARSE_CLASS
• mxSINGLE_CLASS
• mxINT8_CLASS
• mxUINT8_CLASS
• mxINT16_CLASS
• mxUINT16_CLASS
• mxINT32_CLASS
• mxUINT32_CLASS

false if the array's storage type is:

• mxCELL_CLASS
• mxCHAR_CLASS
• mxOBJECT_CLASS
• mxSTRUCT_CLASS
• mxUNKNOWN_CLASS

Description

Call mxIsNumeric to determine if the specified array contains numeric data. If the specified array is a cell, string, or a structure, then mxIsNumeric returns false. Otherwise, mxIsNumeric returns true.

Call mxGetClassID to determine the exact storage type.

Example

See phonebook.c in the refbook subdirectory of the examples directory.

See Also

mxGetClassID

mxIsNaN

mxIsSingle