Hi all
Why does 'sage.rings.integer.Integer' not have "is_integer" method ??
sage: A=4
sage: A.is
A.is_idempotent A.is_nilpotent A.is_perfect_power A.is_prime
A.is_square A.is_zero
A.is_integral A.is_norm A.is_power
A.is_prime_power A.is_squarefree A.isqrt
A.is_irreducible A.is_one A.is_power_of
A.is_pseudoprime A.is_unit
while :
sage: A.is_
A.is_constant A.is_negative A.is_one
A.is_real A.is_square A.is_unit
A.is_idempotent A.is_nilpotent A.is_polynomial
A.is_relational A.is_symbol A.is_zero
****A.is_integer**** A.is_numeric A.is_positive
A.is_series A.is_terminating_series
In order to test of something is integer, is it safe to use isinstance ?
isinstance(A,sage.rings.integer.Integer)
I've missed something ?
Thanks
Laurent
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