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-rw-r--r--libm/e_hypot.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/libm/e_hypot.c b/libm/e_hypot.c
index 3a6b2133e..264982512 100644
--- a/libm/e_hypot.c
+++ b/libm/e_hypot.c
@@ -116,3 +116,21 @@ double attribute_hidden __ieee754_hypot(double x, double y)
return t1*w;
} else return w;
}
+
+/*
+ * wrapper hypot(x,y)
+ */
+#ifndef _IEEE_LIBM
+double hypot(double x, double y)
+{
+ double z = __ieee754_hypot(x, y);
+ if (_LIB_VERSION == _IEEE_)
+ return z;
+ if ((!isfinite(z)) && isfinite(x) && isfinite(y))
+ return __kernel_standard(x, y, 4); /* hypot overflow */
+ return z;
+}
+#else
+strong_alias(__ieee754_hypot, hypot)
+#endif
+libm_hidden_def(hypot)