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remove useless __yield alias for sched_yield
[oweals/musl.git]
/
src
/
complex
/
ctan.c
1
#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(CMPLX(-cimag(z), creal(z)));
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return CMPLX(cimag(z), -creal(z));
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}