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bugfix for FPA rounding when ebits is very small.

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This commit is contained in:
Christoph M. Wintersteiger 2013-11-14 19:11:19 +00:00
parent bb8373151d
commit b77d408128
2 changed files with 15 additions and 15 deletions
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4
src/util/mpf.cpp
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@ -1380,12 +1380,12 @@ bool mpf_manager::has_top_exp(mpf const & x) {
}
mpf_exp_t mpf_manager::mk_bot_exp(unsigned ebits) {
SASSERT(ebits > 0);
SASSERT(ebits >= 2);
return m_mpz_manager.get_int64(m_powers2.m1(ebits-1, true));
}
mpf_exp_t mpf_manager::mk_top_exp(unsigned ebits) {
SASSERT(ebits > 0);
SASSERT(ebits >= 2);
return m_mpz_manager.get_int64(m_powers2(ebits-1));
}