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authorDenis Vlasenko <vda.linux@googlemail.com>2008-12-28 22:15:26 +0000
committerDenis Vlasenko <vda.linux@googlemail.com>2008-12-28 22:15:26 +0000
commit657f68a8f714863321c29dd23aa18f0d5ab40d65 (patch)
treef34d83fa156f971b8201d1687062dfc276d4c820 /libm/e_log.c
parenta5ed82b5f226456bc5dd86b4ee36e4175b4abe2a (diff)
downloaduClibc-alpine-657f68a8f714863321c29dd23aa18f0d5ab40d65.tar.bz2
uClibc-alpine-657f68a8f714863321c29dd23aa18f0d5ab40d65.tar.xz
remove many functions which just call __ieee754_<function>,
define them as aliases instead. text data bss dec hex filename - 45402 180 4 45586 b212 lib/libm-0.9.30-svn.so + 45302 180 4 45486 b1ae lib/libm-0.9.30-svn.so
Diffstat (limited to 'libm/e_log.c')
-rw-r--r--libm/e_log.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/libm/e_log.c b/libm/e_log.c
index 721746a16..4a82b6e50 100644
--- a/libm/e_log.c
+++ b/libm/e_log.c
@@ -127,3 +127,21 @@ double attribute_hidden __ieee754_log(double x)
return dk*ln2_hi-((s*(f-R)-dk*ln2_lo)-f);
}
}
+
+/*
+ * wrapper log(x)
+ */
+#ifndef _IEEE_LIBM
+double log(double x)
+{
+ double z = __ieee754_log(x);
+ if (_LIB_VERSION == _IEEE_ || isnan(x) || x > 0.0)
+ return z;
+ if (x == 0.0)
+ return __kernel_standard(x, x, 16); /* log(0) */
+ return __kernel_standard(x, x, 17); /* log(x<0) */
+}
+#else
+strong_alias(__ieee754_log, log)
+#endif
+libm_hidden_def(log)