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10 lines
166 B
C
10 lines
166 B
C
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#include "libm.h"
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/* tan(z) = -i tanh(i z) */
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double complex ctan(double complex z)
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{
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z = ctanh(cpack(-cimag(z), creal(z)));
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return cpack(cimag(z), -creal(z));
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}
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