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authorDJ Delorie <dj@redhat.com>2005-08-17 18:03:42 +0000
committerDJ Delorie <dj@redhat.com>2005-08-17 18:03:42 +0000
commit3b6940c0d1e5be395d19c787d33e65f6edb545b2 (patch)
tree5020be65693b7851946a6686d3c2fd9d788cad79 /libiberty/floatformat.c
parente1e3d0f5e6f2d0b5f868e213514f0613e2818290 (diff)
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merge from gcc
Diffstat (limited to 'libiberty/floatformat.c')
-rw-r--r--libiberty/floatformat.c34
1 files changed, 17 insertions, 17 deletions
diff --git a/libiberty/floatformat.c b/libiberty/floatformat.c
index e466f53..8f0d789 100644
--- a/libiberty/floatformat.c
+++ b/libiberty/floatformat.c
@@ -1,5 +1,6 @@
/* IEEE floating point support routines, for GDB, the GNU Debugger.
- Copyright (C) 1991, 1994, 1999, 2000, 2003 Free Software Foundation, Inc.
+ Copyright 1991, 1994, 1999, 2000, 2003, 2005
+ Free Software Foundation, Inc.
This file is part of GDB.
@@ -52,11 +53,11 @@ static unsigned long get_field (const unsigned char *,
unsigned int,
unsigned int);
static int floatformat_always_valid (const struct floatformat *fmt,
- const char *from);
+ const void *from);
static int
floatformat_always_valid (const struct floatformat *fmt ATTRIBUTE_UNUSED,
- const char *from ATTRIBUTE_UNUSED)
+ const void *from ATTRIBUTE_UNUSED)
{
return 1;
}
@@ -107,23 +108,24 @@ const struct floatformat floatformat_ieee_double_littlebyte_bigword =
floatformat_always_valid
};
-static int floatformat_i387_ext_is_valid (const struct floatformat *fmt, const char *from);
+static int floatformat_i387_ext_is_valid (const struct floatformat *fmt,
+ const void *from);
static int
-floatformat_i387_ext_is_valid (const struct floatformat *fmt, const char *from)
+floatformat_i387_ext_is_valid (const struct floatformat *fmt, const void *from)
{
/* In the i387 double-extended format, if the exponent is all ones,
then the integer bit must be set. If the exponent is neither 0
nor ~0, the intbit must also be set. Only if the exponent is
zero can it be zero, and then it must be zero. */
unsigned long exponent, int_bit;
- const unsigned char *ufrom = (const unsigned char *) from;
-
+ const unsigned char *ufrom = from;
+
exponent = get_field (ufrom, fmt->byteorder, fmt->totalsize,
fmt->exp_start, fmt->exp_len);
int_bit = get_field (ufrom, fmt->byteorder, fmt->totalsize,
fmt->man_start, 1);
-
+
if ((exponent == 0) != (int_bit == 0))
return 0;
else
@@ -267,9 +269,9 @@ get_field (const unsigned char *data, enum floatformat_byteorders order,
void
floatformat_to_double (const struct floatformat *fmt,
- const char *from, double *to)
+ const void *from, double *to)
{
- const unsigned char *ufrom = (const unsigned char *)from;
+ const unsigned char *ufrom = from;
double dto;
long exponent;
unsigned long mant;
@@ -438,14 +440,14 @@ put_field (unsigned char *data, enum floatformat_byteorders order,
void
floatformat_from_double (const struct floatformat *fmt,
- const double *from, char *to)
+ const double *from, void *to)
{
double dfrom;
int exponent;
double mant;
unsigned int mant_bits, mant_off;
int mant_bits_left;
- unsigned char *uto = (unsigned char *)to;
+ unsigned char *uto = to;
dfrom = *from;
memset (uto, 0, fmt->totalsize / FLOATFORMAT_CHAR_BIT);
@@ -533,7 +535,7 @@ floatformat_from_double (const struct floatformat *fmt,
/* Return non-zero iff the data at FROM is a valid number in format FMT. */
int
-floatformat_is_valid (const struct floatformat *fmt, const char *from)
+floatformat_is_valid (const struct floatformat *fmt, const void *from)
{
return fmt->is_valid (fmt, from);
}
@@ -550,15 +552,13 @@ ieee_test (double n)
{
double result;
- floatformat_to_double (&floatformat_ieee_double_little, (char *) &n,
- &result);
+ floatformat_to_double (&floatformat_ieee_double_little, &n, &result);
if ((n != result && (! isnan (n) || ! isnan (result)))
|| (n < 0 && result >= 0)
|| (n >= 0 && result < 0))
printf ("Differ(to): %.20g -> %.20g\n", n, result);
- floatformat_from_double (&floatformat_ieee_double_little, &n,
- (char *) &result);
+ floatformat_from_double (&floatformat_ieee_double_little, &n, &result);
if ((n != result && (! isnan (n) || ! isnan (result)))
|| (n < 0 && result >= 0)
|| (n >= 0 && result < 0))