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Fix sign errr in some cacosh results

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This commit is contained in:
Richard B. Kreckel
2011-12-21 21:01:29 -05:00
committed by Ulrich Drepper
parent 60e8585f2a
commit b27e24b874
5 changed files with 13 additions and 32 deletions
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6
math/s_cacosh.c
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@ -74,17 +74,13 @@ __cacosh (__complex__ double x)
y = __csqrt (y);
if (__real__ x < 0.0)
if (signbit (__real__ x))
y = -y;
__real__ y += __real__ x;
__imag__ y += __imag__ x;
res = __clog (y);
/* We have to use the positive branch. */
if (__real__ res < 0.0)
res = -res;
}
return res;