Sun Studio 12: Fortran User's Guide

3.4.34 –fpover[={yes|no}]

Detect floating-point overflow in formatted input.

With -fpover=yes specified, the I/O library will detect runtime floating-point overflows in formatted input and return an error condition (1031). The default is no such overflow detection (–fpover=no). -fpover without a value is equivalent to -fpover=yes. Combine with —ftrap to get full diagnostic information.