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| author | Ulrich Drepper <drepper@redhat.com> | 2005-10-13 19:08:37 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2005-10-13 19:08:37 +0000 |
| commit | 72c7a71de49af5e025f5c064079b25631af6c457 (patch) | |
| tree | f23a04f2d44106152e2efef0f9da08e38dd2090e /sysdeps/generic/s_csqrt.c | |
| parent | 1676aaeffd2e156e6d15d3aa59c35214e6a6a2b1 (diff) | |
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[BZ #1466]
* sysdeps/generic/s_csqrt.c (__csqrt): For zero real part, return
principal square root.
* sysdeps/generic/s_csqrtf.c (__csqrtf): Likewise.
* sysdeps/generic/s_csqrtl.c (__csqrtl): Likewise.
* math/libm-test.inc (csqrt_test): Add test for returning
principal value.
Diffstat (limited to 'sysdeps/generic/s_csqrt.c')
| -rw-r--r-- | sysdeps/generic/s_csqrt.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sysdeps/generic/s_csqrt.c b/sysdeps/generic/s_csqrt.c index 0bb6690b17..04ed410a16 100644 --- a/sysdeps/generic/s_csqrt.c +++ b/sysdeps/generic/s_csqrt.c @@ -1,5 +1,5 @@ /* Complex square root of double value. - Copyright (C) 1997, 1998 Free Software Foundation, Inc. + Copyright (C) 1997, 1998, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. Based on an algorithm by Stephen L. Moshier <moshier@world.std.com>. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -79,8 +79,8 @@ __csqrt (__complex__ double x) { double r = __ieee754_sqrt (0.5 * fabs (__imag__ x)); - __real__ res = __copysign (r, __imag__ x); - __imag__ res = r; + __real__ res = r; + __imag__ res = __copysign (r, __imag__ x); } else { |