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| author | Keith Packard via Newlib <newlib@sourceware.org> | 2020-08-04 15:22:22 -0700 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2020-08-05 22:16:31 +0200 |
| commit | 98a4f8de47602e3aaff50715d53fc49fb43d0d9e (patch) | |
| tree | 10d97cec9b6767ead52b2bbf5742d0abf98325db | |
| parent | 2eafcc78dfe6d356a8d6debe439c8aa9839b1dbe (diff) | |
| download | cygnal-98a4f8de47602e3aaff50715d53fc49fb43d0d9e.tar.gz cygnal-98a4f8de47602e3aaff50715d53fc49fb43d0d9e.tar.bz2 cygnal-98a4f8de47602e3aaff50715d53fc49fb43d0d9e.zip | |
libm/math: Set errno to ERANGE for pow(0, -y)
POSIX says that the errno for pow(0, -y) should be ERANGE instead of
EDOM.
https://pubs.opengroup.org/onlinepubs/9699919799/functions/pow.html
Signed-off-by: Keith Packard <keithp@keithp.com>
| -rw-r--r-- | newlib/libm/math/w_pow.c | 3 | ||||
| -rw-r--r-- | newlib/libm/math/wf_pow.c | 3 |
2 files changed, 2 insertions, 4 deletions
diff --git a/newlib/libm/math/w_pow.c b/newlib/libm/math/w_pow.c index 6e953360a..d8556a170 100644 --- a/newlib/libm/math/w_pow.c +++ b/newlib/libm/math/w_pow.c @@ -84,8 +84,7 @@ PORTABILITY } if(finite(y)&&y<0.0) { /* 0**neg */ - errno = EDOM; - return -HUGE_VAL; + errno = ERANGE; } return z; } diff --git a/newlib/libm/math/wf_pow.c b/newlib/libm/math/wf_pow.c index 73648b83f..e551e6b48 100644 --- a/newlib/libm/math/wf_pow.c +++ b/newlib/libm/math/wf_pow.c @@ -50,8 +50,7 @@ } if(finitef(y)&&y<0.0f) { /* 0**neg */ - errno = EDOM; - return -HUGE_VALF; + errno = ERANGE; } return z; } |