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/illumos-gate/usr/src/lib/libm/common/complex/
H A Dctan.c30 #pragma weak __ctan = ctan
34 * dcomplex ctan(dcomplex z);
36 * If z = x+iy, then since ctan(iz) = i*ctanh(z), we have
38 * ctan(z) = ctan((-1)*(-z)) = ctan(i*i*(-z))
49 ctan(dcomplex z) { function

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