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| author |   Andrew Cagney <cagney@redhat.com> | 2003-09-15 21:28:56 +0000 |
|---|---|---|
| committer | Andrew Cagney <cagney@redhat.com> | 2003-09-15 21:28:56 +0000 |
| commit | a58f15343cabf4a90ff8eded8f802a5ba2f5331b (patch) | |
| tree | 172d312ea1cf5a6c44985e7f7cd31575f37011c2 /include/floatformat.h | |
| parent | * values.c (unpack_double): Call floatformat_is_valid. (diff) | |
| download | binutils-gdb-a58f15343cabf4a90ff8eded8f802a5ba2f5331b.tar.gz binutils-gdb-a58f15343cabf4a90ff8eded8f802a5ba2f5331b.tar.bz2 binutils-gdb-a58f15343cabf4a90ff8eded8f802a5ba2f5331b.zip | |
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 feb3260117c..1d08fd6183f 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. */ |