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C programming/complex.h/clog
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Prototypes
double complex clog(double complex z);
float complex clogf(float complex z);
long double complex clogl(long double complex z);
Description
These functions shall return the complex natural logarithm value, in the range of a strip mathematically unbounded along the real axis and in the interval [-iπ, +iπ] along the imaginary axis.
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