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authorDenis Vlasenko <vda.linux@googlemail.com>2008-12-28 22:15:07 +0000
committerDenis Vlasenko <vda.linux@googlemail.com>2008-12-28 22:15:07 +0000
commit30bd4a6cc3a093fdb32db26ee8bc30cd7ef47622 (patch)
tree01723c9bffa22959927c97216fa24ff1107bfd46 /libm/e_sqrt.c
parentde87f81d41ef95772db9e0616e6ae31f5894eda7 (diff)
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_sqrt.c')
-rw-r--r--libm/e_sqrt.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/libm/e_sqrt.c b/libm/e_sqrt.c
index 884214dff..05e255c2f 100644
--- a/libm/e_sqrt.c
+++ b/libm/e_sqrt.c
@@ -181,6 +181,25 @@ double attribute_hidden __ieee754_sqrt(double x)
}
/*
+ * wrapper sqrt(x)
+ */
+#ifndef _IEEE_LIBM
+double sqrt(double x)
+{
+ double z = __ieee754_sqrt(x);
+ if (_LIB_VERSION == _IEEE_ || isnan(x))
+ return z;
+ if (x < 0.0)
+ return __kernel_standard(x, x, 26); /* sqrt(negative) */
+ return z;
+}
+#else
+strong_alias(__ieee754_sqrt, sqrt)
+#endif
+libm_hidden_def(sqrt)
+
+
+/*
Other methods (use floating-point arithmetic)
-------------
(This is a copy of a drafted paper by Prof W. Kahan
@@ -436,4 +455,3 @@ B. sqrt(x) by Reciproot Iteration
(4) Special cases (see (4) of Section A).
*/
-