* doublest.c (convert_floatformat_to_doublest): Use

	floatformat_classify.
	(floatformat_is_nan): Rename to...
	(floatformat_classify): ...this.  Return more information.
	* doublest.h (enum float_kind): New.
	(floatformat_is_nan): Replace prototype...
	(floatformat_classify): ...with this one.
	* valprint.c (print_floating): Use floatformat_classify.  Handle
	infinity.

	* gdb.base/infnan.c, gdb.base/infnan.exp: New files.

3 files changed, 70 insertions, 0 deletions

diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index beea1bc..74d754d 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,5 +1,9 @@
 2007-03-30  Daniel Jacobowitz  <dan@codesourcery.com>
 
+	* gdb.base/infnan.c, gdb.base/infnan.exp: New files.
+
+2007-03-30  Daniel Jacobowitz  <dan@codesourcery.com>
+
 	* config/netware.exp: Delete file.
 
 2007-03-29  Joel Brobecker  <brobecker@adacore.com>
diff --git a/gdb/testsuite/gdb.base/infnan.c b/gdb/testsuite/gdb.base/infnan.c
new file mode 100644
index 0000000..4973663
--- /dev/null
+++ b/gdb/testsuite/gdb.base/infnan.c
@@ -0,0 +1,30 @@
+/* This test file is part of GDB, the GNU debugger.
+
+   Copyright 2007
+   Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+ 
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+   02111-1307, USA.  */
+
+double	a = 1.0/0.0;
+double	b = 0.0/0.0;
+double  c;
+
+int
+main()
+{
+  c = a + b;
+  return 0;
+}
diff --git a/gdb/testsuite/gdb.base/infnan.exp b/gdb/testsuite/gdb.base/infnan.exp
new file mode 100644
index 0000000..b14b6f3
--- /dev/null
+++ b/gdb/testsuite/gdb.base/infnan.exp
@@ -0,0 +1,36 @@
+# Copyright 2007 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+# 
+# This program 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 General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+# Script to test floating point infinities and NaNs.
+
+set testfile "infnan"
+set srcfile ${testfile}.c
+set binfile ${objdir}/${subdir}/${testfile}
+
+if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
+    untested infnan.exp
+    return -1
+}
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+
+runto_main
+
+gdb_test "print a" "\\\$$decimal = inf"
+gdb_test "print b" "\\\$$decimal = nan\\(0x.*\\)"