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bug-fix -- adding negative num to zero used to give a positive result.

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(this bug was introduced only recently, about a week ago, with the changes
to 128-bit intermediate calculations, and does not/should not affect any
actual users).


git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@10130 57a11ea4-9604-0410-9ed3-97b8803252fd
This commit is contained in:
Linas Vepstas 2004-07-02 03:13:43 +00:00
parent 56059a5a22
commit f440c3ac8d
1 changed files with 3 additions and 0 deletions
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3
src/engine/gnc-numeric.c
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@ -327,9 +327,11 @@ gnc_numeric_add(gnc_numeric a, gnc_numeric b,
}
else if(b.num == 0) {
denom = a.denom;
b.denom = a.denom;
}
else if(a.num == 0) {
denom = b.denom;
a.denom = b.denom;
}
else {
return gnc_numeric_error(GNC_ERROR_DENOM_DIFF);
@ -378,6 +380,7 @@ gnc_numeric_add(gnc_numeric a, gnc_numeric b,
if (cab.isbig) return gnc_numeric_error(GNC_ERROR_OVERFLOW);
sum.num = cab.lo;
if (cab.isneg) sum.num = -sum.num;
sum.denom = lcd;
}