Specifies a user-supplied rountine to handle math errors, instead of the _matherr routine.
void __setusermatherr(
   _HANDLE_MATH_ERROR pf 
   )
Parameters
- pf 
 Pointer to an implementation of _matherr that is supplied by the user.- The type of the pf parameter is declared as typedef int (__cdecl * _HANDLE_MATH_ERROR)(struct _exception *). 
Requirements
| Routine | Required header | 
|---|---|
| __setusermatherr | matherr.c |