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◆ is_unit()

bool LocalRing::is_unit ( const ring_elem f) const
virtual

Implements Ring.

Definition at line 172 of file localring.cpp.

173{
174 // TODO: make sure f is a local ring element
175 return (!is_in_prime(f.get_local_elem()->numer));
176}
bool is_in_prime(const ring_elem f) const
Definition localring.cpp:63
ring_elem numer
Definition localring.hpp:48
const local_elem * get_local_elem() const
Definition ringelem.hpp:136

References ring_elem::get_local_elem(), is_in_prime(), and local_elem::numer.

Referenced by divide(), invert(), power(), power(), and rawIsLocalUnit().