diff options
Diffstat (limited to 'sysdeps/generic/s_cprojf.c')
| -rw-r--r-- | sysdeps/generic/s_cprojf.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sysdeps/generic/s_cprojf.c b/sysdeps/generic/s_cprojf.c index b90590835c..6ec8b66001 100644 --- a/sysdeps/generic/s_cprojf.c +++ b/sysdeps/generic/s_cprojf.c @@ -1,5 +1,5 @@ /* Compute projection of complex float value to Riemann sphere. - Copyright (C) 1997 Free Software Foundation, Inc. + Copyright (C) 1997, 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -27,7 +27,9 @@ __cprojf (__complex__ float x) { __complex__ float res; - if (!isfinite (__real__ x) || !isfinite (__imag__ x)) + if (isnan (__real__ x) && isnan (__imag__ x)) + return x; + else if (!isfinite (__real__ x) || !isfinite (__imag__ x)) { __real__ res = INFINITY; __imag__ res = __copysignf (0.0, __imag__ x); |