clog, clogf, clogl − natural logarithm of a complex number
complex clog(double complex z);
float complex clogf(float complex z);
long double complex clogl(long double complex z);
Link with −lm.
The logarithm clog() is the inverse function of the exponential cexp(3). Thus, if y = clog(z), then z = cexp(y). The imaginary part of y is chosen in the interval [−pi,pi].
clog(z) = log(cabs(z)) + I * carg(z)
Note that z close to zero will cause an overflow.
These functions first appeared in glibc in version 2.1.
For an explanation of the terms used in this section, see attributes(7).
cabs(3), cexp(3), clog10(3), clog2(3), complex(7)
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