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epatel/enable_sigfpe.m

Created April 1, 2016 11:57
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Enable SIGFPE for iOS/Mac
Raw
enable_sigfpe.m
fenv_t fe;
if (fegetenv(&fe) != 0) {
// error
}
#if defined __arm__
fe.__fpscr |= __fpscr_trap_divbyzero;
#elif defined __i386__
fe.__control &= ~FE_DIVBYZERO;
fe.__mxcsr &= ~_MM_MASK_DIV_ZERO;
#else
#error unknown processor architecture
#endif
if (fesetenv(&fe) != 0) {
// error
}
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