gmp_tstbit

Return bit $n of $x (0-indexed, from the least significant end).

Synopsis

my $x = Math::GMP->new(0b1010);
print $x->gmp_tstbit(1);       # 1
print $x->gmp_tstbit(2);       # 0

For negative values, libgmp uses a two’s-complement view. Bits above the most significant set bit of a positive value read as 0.