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authorRoland McGrath <roland@gnu.org>2006-02-01 03:14:01 +0000
committerRoland McGrath <roland@gnu.org>2006-02-01 03:14:01 +0000
commit8400b18bfb630399e4b028cabe72ba55b580ef66 (patch)
treea8c8c9563007f8c8e54718ced8ff2776b2a9349c /sysdeps/alpha/soft-fp/e_sqrtl.c
parentfea3f995bd004c0e31898eed82d5e15113d50e70 (diff)
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* sysdeps/unix/sysv/linux/alpha/fpu/Implies: New file. cvs/fedora-glibc-20060201T0846
	* sysdeps/alpha/fpu/s_ceil.c: Include math_ldbl_opt.h, add
	compat_symbol if LONG_DOUBLE_COMPAT.
	* sysdeps/alpha/fpu/s_copysign.c: Likewise.
	* sysdeps/alpha/fpu/s_fabs.c: Likewise.
	* sysdeps/alpha/fpu/s_floor.c: Likewise.
	* sysdeps/alpha/fpu/s_rint.c: Likewise.
	* sysdeps/alpha/soft-fp/e_sqrtl.c: New file.
	* sysdeps/alpha/Implies: Add ieee754/ldbl-128.

	* sysdeps/unix/sysv/linux/alpha/bits/wordsize.h: New file.
	* sysdeps/unix/sysv/linux/alpha/Implies: Add ieee754/ldbl-64-128,
	ieee754/ldbl-opt.
	* sysdeps/alpha/bits/mathdef.h (__NO_LONG_DOUBLE_MATH): Remove.
	* sysdeps/unix/sysv/linux/alpha/nldbl-abi.h: New file.
	* sysdeps/unix/sysv/linux/alpha/Makefile
	[$(subdir) = math] (libm-routines): Add multc3, divtc3.
Diffstat (limited to 'sysdeps/alpha/soft-fp/e_sqrtl.c')
-rw-r--r--sysdeps/alpha/soft-fp/e_sqrtl.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/sysdeps/alpha/soft-fp/e_sqrtl.c b/sysdeps/alpha/soft-fp/e_sqrtl.c
new file mode 100644
index 0000000000..a1d09725b7
--- /dev/null
+++ b/sysdeps/alpha/soft-fp/e_sqrtl.c
@@ -0,0 +1,37 @@
+/* long double square root in software floating-point emulation.
+   Copyright (C) 1997, 1999, 2006 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Richard Henderson (rth@cygnus.com) and
+		  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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   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.  */
+
+#include "local-soft-fp.h"
+
+long double
+__ieee754_sqrtl (const long double a)
+{
+  FP_DECL_EX;
+  FP_DECL_Q(A); FP_DECL_Q(C);
+  long double c;
+
+  FP_INIT_ROUNDMODE;
+  FP_UNPACK_Q(A, a);
+  FP_SQRT_Q(C, A);
+  FP_PACK_Q(c, C);
+  FP_HANDLE_EXCEPTIONS;
+  return c;
+}