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newlib: Don't do double divide in powf.

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* Use 0.0f instead of 0.0 in divide.
This commit is contained in:
Jim Wilson 2017-12-12 11:39:13 -08:00 committed by Corinna Vinschen
parent c338bc2255
commit c874f1145f
1 changed files with 3 additions and 1 deletions
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4
newlib/libm/math/wf_pow.c
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@ -108,7 +108,9 @@
if (_LIB_VERSION == _SVID_) if (_LIB_VERSION == _SVID_)
exc.retval = 0.0; exc.retval = 0.0;
else else
exc.retval = 0.0/0.0; /* X/Open allow NaN */ /* Use a float divide, to avoid a soft-float double
divide call on single-float only targets. */
exc.retval = (0.0f/0.0f); /* X/Open allow NaN */
if (_LIB_VERSION == _POSIX_) if (_LIB_VERSION == _POSIX_)
errno = EDOM; errno = EDOM;
else if (!matherr(&exc)) { else if (!matherr(&exc)) {