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Fix up constexpr issue

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This commit is contained in:
jzmaddock
2021-01-08 12:47:52 +00:00
parent c2d50c9b77
commit 2630210b62
1 changed files with 6 additions and 1 deletions
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include/boost/multiprecision/cpp_int.hpp
+6 -1
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@@ -1452,17 +1452,22 @@ struct cpp_int_backend
// regular non-trivial to non-trivial assign:
this->resize(other.size(), other.size());
#if !defined(BOOST_MP_HAS_IS_CONSTANT_EVALUATED) && !defined(BOOST_MP_HAS_BUILTIN_IS_CONSTANT_EVALUATED) && !defined(BOOST_NO_CXX14_CONSTEXPR)
unsigned count = (std::min)(other.size(), this->size());
for (unsigned i = 0; i < count; ++i)
this->limbs()[i] = other.limbs()[i];
#else
#ifndef BOOST_MP_NO_CONSTEXPR_DETECTION
if (BOOST_MP_IS_CONST_EVALUATED(other.size()))
{
unsigned count = (std::min)(other.size(), this->size());
for (unsigned i = 0; i < count; ++i)
this->limbs()[i] = other.limbs()[i];
}
else
#endif
std::memcpy(this->limbs(), other.limbs(), (std::min)(other.size(), this->size()) * sizeof(this->limbs()[0]));
#endif
this->sign(other.sign());
this->normalize();
}