[Octave-bug-tracker] [bug #48307] sinc loses precision for large arguments

[Marco Caliari]

Follow-up Comment #8, bug #48307 (project octave):

wrt comment #5, pi*10000000 in double precision differs from the exact value
about 3e-8. Even if sin would be able to exactly perform the modulo operation,
evaluating sin(pi*10000000) would correspond to evaluate sin(3e-8). The result
we get, about 6e-10, is even better. For comparison, both Matlab and gfortran
give the same results.

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