How can I handle floating-point exceptions gracefully?
On many systems, you can define a routine matherr which will be called when there are certain floating-point errors, such as errors in the math routines in <math.h>. You may also be able to use signal (see question 19.38) to catch SIGFPE. See also question 14.9.
References:
Rationale Sec. 4.5.1
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