clog, clogf, clogl - natural logarithm of a complex number
double complex clog(double complex
float complex clogf(float complex
long double complex clogl(long double complex
These functions calculate the complex natural logarithm of
z, with a branch cut along the negative real axis.
clog(z) = log(cabs(z)) + I * carg(z)
z close to zero will cause an overflow.
These functions first appeared in glibc in version 2.1.
C99, POSIX.1-2001, POSIX.1-2008.
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