External Interfaces Reference

mxIsNumeric

Determine if mxArray is numeric

C Syntax

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

Arguments

array_ptr
   Pointer to an mxArray.

Returns

Logical 1 (true) if the array's storage type is:

• mxDOUBLE_CLASS
• mxSINGLE_CLASS
• mxINT8_CLASS
• mxUINT8_CLASS
• mxINT16_CLASS
• mxUINT16_CLASS
• mxINT32_CLASS
• mxUINT32_CLASS
• mxINT64_CLASS
• mxUINT64_CLASS

Logical 0 (false) if the array's storage type is:

• mxCELL_CLASS
• mxCHAR_CLASS
• mxFUNCTION_CLASS
• mxLOGICAL_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 logical 0 (false). Otherwise, mxIsNumeric returns logical 1 (true).

Call mxGetClassID to determine the exact storage type.

Examples

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

See Also

mxGetClassID

mxIsNaN

mxIsSingle

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