Signum function

C Prototype

mxArray *mlfSign(mxArray *X);

C Syntax

#include "matlab.h"

mxArray *X;            /* Required input argument(s) */
mxArray *Y = NULL;     /* Return value */

mlfAssign(&Y, mlfSign(X));

MATLAB Syntax

Y = sign(X)

See Also

MATLAB sign     Calling Conventions