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floatformat.h (struct floatformat): Make "exp_bias" signed.

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

	* floatformat.h (struct floatformat): Make "exp_bias" signed.

From-SVN: r71407
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Andrew Cagney 2003-09-15 21:28:49 +00:00 committed by Andrew Cagney
parent d3704c4668
commit a4cbdc57c8
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>
* 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_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. */