diff options
| author | Andrew Cagney <cagney@gnu.org> | 2003-09-16 01:28:56 +0400 |
|---|---|---|
| committer | Andrew Cagney <cagney@gnu.org> | 2003-09-16 01:28:56 +0400 |
| commit | a9993197f2d23aeb89a9546a5051addd37e1563c (patch) | |
| tree | 6f26fec084e8f13620eb665265896079dc9afa8b /include/floatformat.h | |
| parent | 80a45e340c1984bac3b1af76e384326aa956aa99 (diff) | |
2003-09-15 Andrew Cagney <cagney@redhat.com>
* floatformat.h (struct floatformat): Make "exp_bias" signed.
Diffstat (limited to 'include/floatformat.h')
| -rw-r--r-- | include/floatformat.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/floatformat.h b/include/floatformat.h index feb326011..1d08fd618 100644 --- a/include/floatformat.h +++ b/include/floatformat.h @@ -61,8 +61,12 @@ struct floatformat unsigned int exp_start; unsigned int exp_len; - /* Amount added to "true" exponent. 0x3fff for many IEEE extendeds. */ - unsigned int exp_bias; + /* Bias added to a "true" exponent to form the biased exponent. It + is intentionally signed as, otherwize, -exp_bias can turn into a + very large number (e.g., given the exp_bias of 0x3fff and a 64 + bit long, the equation (long)(1 - exp_bias) evaluates to + 4294950914) instead of -16382). */ + int exp_bias; /* Exponent value which indicates NaN. This is the actual value stored in the float, not adjusted by the exp_bias. This usually consists of all one bits. */ |