clog.c File Reference

#include "prim.h"

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Functions
complex	clog (complex z)
	Natural logarithm of a complex number. More...

Function Documentation

clog()

complex clog

(

complex

z

)

Natural logarithm of a complex number.

Definition at line 42 of file clog.c.

References atan2(), cabs(), cimag(), cpack(), creal(), and log().

Referenced by cacos(), cacosh(), cacot(), cacoth(), cacsc(), cacsch(), casec(), casech(), casin(), casinh(), catan(), catanh(), ccbrt(), clog10(), clogb(), and ComplexNumber::Log().

{
    complex w;
    double p, q;
    p = log(cabs(z));
    q = atan2(cimag(z), creal(z));
    w = cpack(p, q);
    return w;
}

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