csin

Complex circular sine.

SYNOPSIS:

void csin();
cmplx z, w;

csin(&z, &w);

DESCRIPTION:

If
     z = x + iy,

then

     w = sin x cosh y + i cos x sinh y.

ACCURACY:

                      Relative error:
arithmetic   domain     # trials      peak         rms
    DEC       -10,+10      8400       5.3e-17     1.3e-17
    IEEE      -10,+10     30000       3.8e-16     1.0e-16

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