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* doublest.c (convert_floatformat_to_doublest): Use

Browse Source 
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.
This commit is contained in:
Daniel Jacobowitz
2007-03-30 14:31:44 +00:00
parent 30b50213ec
commit 203890574d
7 changed files with 162 additions and 20 deletions
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28
gdb/valprint.c
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@@ -442,19 +442,31 @@ print_floating (const gdb_byte *valaddr, struct type *type,
int inv;
const struct floatformat *fmt = NULL;
unsigned len = TYPE_LENGTH (type);
enum float_kind kind;
/* If it is a floating-point, check for obvious problems. */
if (TYPE_CODE (type) == TYPE_CODE_FLT)
fmt = floatformat_from_type (type);
if (fmt != NULL && floatformat_is_nan (fmt, valaddr))
if (fmt != NULL)
{
if (floatformat_is_negative (fmt, valaddr))
fprintf_filtered (stream, "-");
fprintf_filtered (stream, "nan(");
fputs_filtered ("0x", stream);
fputs_filtered (floatformat_mantissa (fmt, valaddr), stream);
fprintf_filtered (stream, ")");
return;
kind = floatformat_classify (fmt, valaddr);
if (kind == float_nan)
{
if (floatformat_is_negative (fmt, valaddr))
fprintf_filtered (stream, "-");
fprintf_filtered (stream, "nan(");
fputs_filtered ("0x", stream);
fputs_filtered (floatformat_mantissa (fmt, valaddr), stream);
fprintf_filtered (stream, ")");
return;
}
else if (kind == float_infinite)
{
if (floatformat_is_negative (fmt, valaddr))
fputs_filtered ("-", stream);
fputs_filtered ("inf", stream);
return;
}
}
/* NOTE: cagney/2002-01-15: The TYPE passed into print_floating()