Anonymous user
Test integerness: Difference between revisions
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=={{header|Nim}}==
a taxonomy of Nim number types:
SomeInteger: integer types, signed or unsigned, 8,16,32,or 64 bits
SomeFloat: floating point, 32 or 64 bits
SomeNumber: SomeInteger or SomeFloat
Rational: rational type; a numerator and denominator, of any (identical) SomeInteger type
Complex: complex type; real and imaginary of any (identical) SomeFloat type
<lang nim>import complex, rationals, math, fenv, sugar
func is_integer[T:Complex | Rational | SomeNumber](x: T, tolerance: float64 = 0.0): bool =
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