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/* ========================================================================== */
/* === spqr_mx_error ======================================================== */
/* ========================================================================== */
/* Compile with gcc, not g++. This is called by the CHOLMOD error handler,
* which is itself in C. A global variable is used for spumoni because the
* parameter signature of this function cannot be changed; it is passed as
* a function pointer to the CHOLMOD error handler.
*
* errors:
*
* CHOLMOD_TOO_LARGE MATLAB:pmaxsize problem too large
* CHOLMOD_OUT_OF_MEMORY MATLAB:nomem out of memory
* CHOLMOD_INVALID MATLAB:internal invalid option
* CHOLMOD_NOT_INSTALLED MATLAB:internal internal error
*
* warnings: these are not used by SuiteSparseQR. They can only come from
* CHOLMOD, but they do not apply to SuiteSparseQR.
*
* CHOLMOD_NOT_POSDEF matrix not positive definite (for chol)
* CHOLMOD_DSMALL diagonal too small (for LDL')
*/
#include "mex.h"
#include "cholmod.h"
int spqr_spumoni = 0 ;
void spqr_mx_error (int status, const char *file, int line, const char *msg)
{
if (spqr_spumoni > 0 ||
!(status == CHOLMOD_OUT_OF_MEMORY || status == CHOLMOD_TOO_LARGE))
{
mexPrintf ("ERROR: %s line %d, status %d: %s\n",
file, line, status, msg) ;
}
if (status < CHOLMOD_OK)
{
switch (status)
{
case CHOLMOD_OUT_OF_MEMORY:
mexErrMsgIdAndTxt ("MATLAB:nomem",
"Out of memory. Type HELP MEMORY for your options.") ;
case CHOLMOD_TOO_LARGE:
mexErrMsgIdAndTxt ("MATLAB:pmaxsize",
"Maximum variable size allowed by the program is exceeded.") ;
break ;
default:
/* CHOLMOD_NOT_INSTALLED and CHOLMOD_INVALID:
These errors should be caught by the mexFunction interface
to SuiteSparseQR, not by the CHOLMOD or SuiteSparseQR
internal code itself */
mexErrMsgIdAndTxt ("MATLAB:internal", "Internal error") ;
break ;
}
}
else
{
/* A CHOMOD warning is not used by SuiteSparseQR at all. Thus, it is
reported here as an internal error rather than as a warning. */
/* mexWarnMsgTxt (msg) ; */
mexErrMsgIdAndTxt ("MATLAB:internal", "Internal error") ;
}
}
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