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fix multiplier base for #5022

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add also some C++ API shorthands for retrieving numerals
This commit is contained in:
Nikolaj Bjorner 2021-02-12 11:53:40 -08:00
parent d0c96abe30
commit c808f74591
2 changed files with 7 additions and 2 deletions
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4
src/util/mpz.cpp
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@ -1682,9 +1682,9 @@ double mpz_manager<SYNCH>::get_double(mpz const & a) const {
for (unsigned i = 0; i < sz; i++) {
r += d * static_cast<double>(digits(a)[i]);
if (sizeof(digit_t) == sizeof(uint64_t))
d *= static_cast<double>(UINT64_MAX); // 64-bit version
d *= (1.0 + static_cast<double>(UINT64_MAX)); // 64-bit version, multiply by 2^64
else
d *= static_cast<double>(UINT_MAX); // 32-bit version
d *= (1.0 + static_cast<double>(UINT_MAX)); // 32-bit version, multiply by 2^32
}
if (!(r >= 0.0)) {
r = static_cast<double>(UINT64_MAX); // some large number