Moved from soft-fp/sysdeps/sparc/sparc64/s_scalbnl.c

1 files changed, 55 insertions, 0 deletions

diff --git a/sysdeps/sparc/sparc64/soft-fp/s_scalblnl.c b/sysdeps/sparc/sparc64/soft-fp/s_scalblnl.c
new file mode 100644
index 0000000000..5568cfdab2
--- /dev/null
+++ b/sysdeps/sparc/sparc64/soft-fp/s_scalblnl.c
@@ -0,0 +1,55 @@
+/* Software floating-point emulation.
+   scalblnl(x, exp)
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jakub Jelinek (jj@ultra.linux.cz).
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If
+   not, write to the Free Software Foundation, Inc.,
+   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+/*
+ * scalblnl (long double x, long int n)
+ * scalblnl(x,n) returns x* 2**n  computed by  exponent
+ * manipulation rather than by actually performing an
+ * exponentiation or a multiplication.
+ */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double __scalblnl(long double arg, int exp)
+{
+  FP_DECL_EX;
+  FP_DECL_Q(A);
+  long double r;
+
+  FP_UNPACK_Q(A, arg);
+  switch (A_c)
+    {
+    case FP_CLS_ZERO:
+      return arg;
+    case FP_CLS_NAN:
+    case FP_CLS_INF:
+      FP_HANDLE_EXCEPTIONS;
+      return arg;
+    }
+  A_e += exp;
+  FP_PACK_Q(r, A);
+  FP_HANDLE_EXCEPTIONS;
+
+  return r;
+}
+
+weak_alias (__scalblnl, scalblnl)