Re: Problem with mex file

[John W. Eaton]

On  9-Sep-2006, frank wang wrote:

| Hi, John,
| 
| It is strange. The problem codes are:
|   if (nRhs > 1)
|   {
|    px = mxGetPr(pRhs[1]);
|    for (n=0; n<mxGetM(pRhs[1])*mxGetN(pRhs[1]); n++)
|     pScl[n] = (unsigned)px[n];
|    px = mxGetPr(pRhs[2]);
|    pScl[5] = (unsigned)px[0];
|    px = mxGetPr(pRhs[3]);
|    pScl[6] = (unsigned)px[0];
|   }
| where pScl is initialized to {0 0 0 0 0 0}.

It looks like this code is making an invalid assumption.  If nRhs > 1,
then it is certainly OK to access pRhs[1] but it may not be valid to
access pRhs[2] (these are 0-based indices).  So to access pRhs[N], you
need to ensure that nRhs > N.

jwe