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| author | Keith Packard <keithp@keithp.com> | 2019-11-29 11:23:20 -0800 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2019-12-02 10:00:32 +0100 |
| commit | 7a526cdc28a3c4acce98e8a99b06562452c90d07 (patch) | |
| tree | 654412a63d47449ad4a65384ff3f28a5603d345a | |
| parent | 8574f8a1e4b02a4b47e2434111c4e2c382a9f046 (diff) | |
| download | newlib-7a526cdc28a3c4acce98e8a99b06562452c90d07.zip newlib-7a526cdc28a3c4acce98e8a99b06562452c90d07.tar.gz newlib-7a526cdc28a3c4acce98e8a99b06562452c90d07.tar.bz2 | |
libm: switch sf_log1p from double error routines to float
sf_log1p was using __math_divzero and __math_invalid, which
drag in a pile of double-precision code. Switch to using the
single-precision variants. This also required making those
available in __OBSOLETE_MATH mode.
Signed-off-by: Keith Packard <keithp@keithp.com>
| -rw-r--r-- | newlib/libm/common/math_errf.c | 2 | ||||
| -rw-r--r-- | newlib/libm/common/sf_log1p.c | 4 |
2 files changed, 2 insertions, 4 deletions
diff --git a/newlib/libm/common/math_errf.c b/newlib/libm/common/math_errf.c index 762fc27..53c68b1 100644 --- a/newlib/libm/common/math_errf.c +++ b/newlib/libm/common/math_errf.c @@ -75,7 +75,6 @@ __math_oflowf (uint32_t sign) return xflowf (sign, 0x1p97f); } -#if !__OBSOLETE_MATH HIDDEN float __math_divzerof (uint32_t sign) { @@ -89,4 +88,3 @@ __math_invalidf (float x) float y = (x - x) / (x - x); return isnan (x) ? y : with_errnof (y, EDOM); } -#endif /* !__OBSOLETE_MATH */ diff --git a/newlib/libm/common/sf_log1p.c b/newlib/libm/common/sf_log1p.c index d867680..d326e00 100644 --- a/newlib/libm/common/sf_log1p.c +++ b/newlib/libm/common/sf_log1p.c @@ -56,9 +56,9 @@ static float zero = 0.0; if (hx < 0x3ed413d7) { /* x < 0.41422 */ if(ax>=0x3f800000) { /* x <= -1.0 */ if(x==(float)-1.0) - return __math_divzero (1); /* log1p(-1)=-inf */ + return __math_divzerof (1); /* log1p(-1)=-inf */ else - return __math_invalid (x); /* log1p(x<-1)=NaN */ + return __math_invalidf (x); /* log1p(x<-1)=NaN */ } if(ax<0x31000000) { /* |x| < 2**-29 */ if(two25+x>zero /* raise inexact */ |