mxIsNumeric, mxIsString

Purpose

Inquire if Matrix contains numeric or string data.

C Synopsis

int mxIsNumeric(pm)
  Matrix *pm;
int mxIsString(pm)
  Matrix *pm;

Fortran Synopsis

integer*4 function mxIsNumeric(pm)
integer*4 function mxIsString(pm)
integer*4 pm

Arguments

pm
pointer to Matrix structure

Description

These routines let you inquire the state of the DisplayMode flag of a Matrix to determine whether or not the Matrix contains a string. The DisplayMode flag tells MATLAB whether to display the Matrix in numeric form or to interpret the elements as ASCII values and to display the Matrix as a string, if the semicolon is omitted from a MATLAB statement.

mxIsNumeric returns 1 if the Matrix contains numeric data and 0 otherwise.

mxIsString returns 1 if the Matrix contains a string and 0 otherwise.

There are no set versions of these functions. Use mxGetString and mxCreateString to extract and insert strings into Matrix structures.

$MATLAB/extern

MATLAB:[EXTERN]

$MATLAB

MATLAB:

$MATLAB/extern/include


  /extern/lib


  /extern/src
MATLAB:[EXTERN.INCLUDE]


  [EXTERN.LIB]


  [EXTERN.SRC]
/include

[.INCLUDE]

engine.h
mat.h
mex.h
matrix.h
mat.h, mex.h,

engine.h

matrix.h

matrix.h

/lib

[.LIB]

, beneath machine-specific subdirectories,

libmat.a
LIBMAT.OLB
libmex.a
LIBMEX.OLB
fmex35.o
FMEX35.OBJ
mexdb.o
MEXDB.OBJ
-debug
/src

[.SRC]

The reference pages list the Fortran example filenames using an extension of .f. On VMS systems, Fortran source files use a filename extension of .FOR.

(c) Copyright 1994 by The MathWorks, Inc.