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| author | Rich Felker <dalias@aerifal.cx> | 2012-11-15 08:37:58 -0500 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2012-11-15 08:37:58 -0500 |
| commit | 8bb181622222f2ee3462c8b021bcae4fcdbbd37a (patch) | |
| tree | 166a1be834c8cd5a4c2521d41d7ee506bd8c8e51 /src/math/log1pl.c | |
| parent | 22781b4d8ecaf97ac52d2a501a2e7d3bc1920ce0 (diff) | |
| parent | 68847ecd3a644d3ffd9be58603be1a3fa437dff0 (diff) | |
| download | musl-8bb181622222f2ee3462c8b021bcae4fcdbbd37a.tar.gz musl-8bb181622222f2ee3462c8b021bcae4fcdbbd37a.tar.bz2 musl-8bb181622222f2ee3462c8b021bcae4fcdbbd37a.tar.xz musl-8bb181622222f2ee3462c8b021bcae4fcdbbd37a.zip | |
Merge remote-tracking branch 'nsz/math'
Diffstat (limited to 'src/math/log1pl.c')
| -rw-r--r-- | src/math/log1pl.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/src/math/log1pl.c b/src/math/log1pl.c index 1400d365..edb48df1 100644 --- a/src/math/log1pl.c +++ b/src/math/log1pl.c @@ -46,11 +46,6 @@ * Relative error: * arithmetic domain # trials peak rms * IEEE -1.0, 9.0 100000 8.2e-20 2.5e-20 - * - * ERROR MESSAGES: - * - * log singularity: x-1 = 0; returns -INFINITY - * log domain: x-1 < 0; returns NAN */ #include "libm.h" @@ -123,8 +118,8 @@ long double log1pl(long double xm1) /* Test for domain errors. */ if (x <= 0.0) { if (x == 0.0) - return -INFINITY; - return NAN; + return -1/x; /* -inf with divbyzero */ + return 0/0.0f; /* nan with invalid */ } /* Separate mantissa from exponent. |