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Fix a typo in __fpu_ftox() that caused long double to long (and long long)

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conversion of negative numbers to always result in -1.
While at it, rearrange the nearby comment so it fits in 80 chars per line,
like the rest of this file does.

PR:		107130
MFC after:	1 day
This commit is contained in:
marius 2006-12-24 22:24:39 +00:00
parent 30b466801f
commit 7bebf7360d
1 changed files with 10 additions and 9 deletions
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19
lib/libc/sparc64/fpu/fpu_implode.c
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@ -259,14 +259,15 @@ __fpu_ftox(fe, fp, res)
case FPC_NUM:
/*
* If exp >= 2^64, overflow. Otherwise shift value right
* into last mantissa word (this will not exceed 0xffffffffffffffff),
* shifting any guard and round bits out into the sticky
* bit. Then ``round'' towards zero, i.e., just set an
* inexact exception if sticky is set (see round()).
* If the result is > 0x8000000000000000, or is positive and equals
* 0x8000000000000000, overflow; otherwise the last fraction word
* is the result.
* If exp >= 2^64, overflow. Otherwise shift value
* right into last mantissa word (this will not exceed
* 0xffffffffffffffff), shifting any guard and round
* bits out into the sticky bit. Then ``round'' towards
* zero, i.e., just set an inexact exception if sticky
* is set (see round()).
* If the result is > 0x8000000000000000, or is positive
* and equals 0x8000000000000000, overflow; otherwise
* the last fraction word is the result.
*/
if ((exp = fp->fp_exp) >= 64)
break;
@ -277,7 +278,7 @@ __fpu_ftox(fe, fp, res)
if (i >= ((u_int64_t)0x8000000000000000LL + sign))
break;
if (sign)
i = -1;
i = -i;
res[1] = (int)i;
return (i >> 32);