Man page - clog10(3)

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clog10, clog10f, clog10l - base-10 logarithm of a complex number

Math library ( libm , -lm )

#define _GNU_SOURCE /* See feature_test_macros(7) */
#include <complex.h>

double complex clog10(double complex z );
float complex clog10f(float complex z );
long double complex clog10l(long double complex z );

The call clog10(z) is equivalent to:

clog(z)/log(10)

or equally:

log10(cabs(c)) + I * carg(c) / log(10)

The other functions perform the same task for float and long double .

Note that z close to zero will cause an overflow.

For an explanation of the terms used in this section, see attributes (7).

Image grohtml-465643-1.png

GNU.

glibc 2.1.

The identifiers are reserved for future use in C99 and C11.