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12.10.44 Angle of complex numbers

Unsafe Operation: $angle-fixnum fx

Compute the angle of fx; return a fixnum or flonum.

Unsafe Operation: $angle-bignum bn

Compute the angle of bn; return a fixnum or flonum.

Unsafe Operation: $angle-ratnum rt

Compute the angle of rt; return a fixnum or flonum.

Unsafe Operation: $angle-flonum fl

Compute the angle of fl; return a flonum.

Unsafe Operation: $angle-compnum cn

Compute the angle of cn; return a number object.

Unsafe Operation: $angle-cflonum cfl

Compute the angle of cfl; return a flonum.