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2003-09-15 Andrew Cagney <cagney@redhat.com>

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* floatformat.h (struct floatformat): Make "exp_bias" signed.
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Andrew Cagney 2003-09-15 21:28:56 +00:00
parent 80a45e340c
commit a9993197f2
2 changed files with 10 additions and 2 deletions
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4
include/ChangeLog
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@ -1,3 +1,7 @@
2003-09-15 Andrew Cagney <cagney@redhat.com>
* floatformat.h (struct floatformat): Make "exp_bias" signed.
2003-09-15 Daniel Jacobowitz <drow@mvista.com> 2003-09-15 Daniel Jacobowitz <drow@mvista.com>
* floatformat.h (floatformat_is_valid): Add prototype. * floatformat.h (floatformat_is_valid): Add prototype.

8
include/floatformat.h
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@ -61,8 +61,12 @@ struct floatformat
unsigned int exp_start; unsigned int exp_start;
unsigned int exp_len; unsigned int exp_len;
/* Amount added to "true" exponent. 0x3fff for many IEEE extendeds. */ /* Bias added to a "true" exponent to form the biased exponent. It
unsigned int exp_bias; 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 /* 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 the float, not adjusted by the exp_bias. This usually consists of all
one bits. */ one bits. */