diff options
Diffstat (limited to 'math/s_csin.c')
| -rw-r--r-- | math/s_csin.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/math/s_csin.c b/math/s_csin.c index cc1c9cd7ab..6d28e4c1b9 100644 --- a/math/s_csin.c +++ b/math/s_csin.c @@ -88,6 +88,19 @@ __csin (__complex__ double x) if (negate) __real__ retval = -__real__ retval; + + if (fabs (__real__ retval) < DBL_MIN) + { + volatile double force_underflow + = __real__ retval * __real__ retval; + (void) force_underflow; + } + if (fabs (__imag__ retval) < DBL_MIN) + { + volatile double force_underflow + = __imag__ retval * __imag__ retval; + (void) force_underflow; + } } else { |