support: Invent verbose_printf macro

[thirdparty/glibc.git] / math / e_exp10l.c

diff --git a/math/e_exp10l.c b/math/e_exp10l.c
index 56f0cfec2f20bfbaf0887fe222f93ee44475d810..775a01406371f0293bec0d10458d5b8bf6bc0551 100644 (file)
--- a/math/e_exp10l.c
+++ b/math/e_exp10l.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
@@ -13,18 +13,21 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
 
 #include <math.h>
-#include "math_private.h"
-
+#include <math_private.h>
+#include <float.h>
 
 long double
 __ieee754_exp10l (long double arg)
 {
-  /* This is a very stupid and inprecise implementation.  It'll get
-     replaced sometime (soon?).  */
-  return __ieee754_expl (M_LN10l * arg);
+  if (isfinite (arg) && arg < LDBL_MIN_10_EXP - LDBL_DIG - 10)
+    return LDBL_MIN * LDBL_MIN;
+  else
+    /* This is a very stupid and inprecise implementation.  It'll get
+       replaced sometime (soon?).  */
+    return __ieee754_expl (M_LN10l * arg);
 }
+strong_alias (__ieee754_exp10l, __exp10l_finite)