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clog10(3)

CLOG10(3)                  Linux Programmer's Manual                 CLOG10(3)



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

SYNOPSIS
       #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);

       Link with -lm.

DESCRIPTION
       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.

VERSIONS
       These functions first appeared in glibc in version 2.1.

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

       allbox; lbw30 lb lb l  l  l.   Interface Attribute Value  T{  clog10(),
       clog10f(), clog10l() T}   Thread safety  MT-Safe

CONFORMING TO
       These  functions  are GNU extensions.  The identifiers are reserved for
       future use in C99 and C11.

SEE ALSO
       cabs(3), cexp(3), clog(3), clog2(3), complex(7)

COLOPHON
       This page is part of release 5.02 of the Linux  man-pages  project.   A
       description  of  the project, information about reporting bugs, and the
       latest    version    of    this    page,    can     be     found     at
       https://www.kernel.org/doc/man-pages/.



                                  2017-09-15                         CLOG10(3)
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