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Fixed MPF fp.rem(0,0,0). Relates to #872.

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Christoph M. Wintersteiger 2017-08-01 16:46:10 +01:00
parent 79ab8a5a5a
commit 4ff938f2c1
1 changed files with 3 additions and 3 deletions
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6
src/util/mpf.cpp
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@ -797,9 +797,9 @@ void mpf_manager::fma(mpf_rounding_mode rm, mpf const & x, mpf const & y, mpf co
set(o, z); set(o, z);
} }
else if (is_zero(x) || is_zero(y)) { else if (is_zero(x) || is_zero(y)) {
bool xy_sgn = is_neg(x) ^ is_neg(y); bool xy_sgn = sgn(x) ^ sgn(y);
if (is_zero(z) && xy_sgn ^ is_neg(z)) if (is_zero(z) && (xy_sgn ^ sgn(z)))
mk_zero(x.ebits, x.sbits, rm != MPF_ROUND_TOWARD_NEGATIVE, o); mk_zero(x.ebits, x.sbits, rm == MPF_ROUND_TOWARD_NEGATIVE, o);
else else
set(o, z); set(o, z);
} }