External Interfaces Reference

mxIsLogical

Determine if mxArray is Boolean

Fortran Syntax

• integer*4 function mxIsLogical(pm)
  integer*4 pm
  

Arguments

pm
   Pointer to an mxArray.

Returns

Logical 1 (true) if pm points to a logical mxArray, and logical 0 (false) otherwise.

Description

Use mxIsLogical to determine whether MATLAB treats the data in the mxArray as Boolean (logical). If an mxArray is logical, then MATLAB treats all zeros as meaning false and all nonzero values as meaning true. For additional information on the use of logical variables in MATLAB, type help logical at the MATLAB prompt.

See Also

mxIsClass, mxSetLogical (Obsolete), logical

mxIsInt64

mxIsNaN

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