1 .\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
3 .\" %%%LICENSE_START(GPL_NOVERSION_ONELINE)
4 .\" Distributed under GPL
7 .TH CLOG10 3 2021-03-22 "" "Linux Programmer's Manual"
9 clog10, clog10f, clog10l \- base-10 logarithm of a complex number
12 .BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */"
13 .B #include <complex.h>
15 .BI "double complex clog10(double complex " z );
16 .BI "float complex clog10f(float complex " z );
17 .BI "long double complex clog10l(long double complex " z );
30 log10(cabs(c)) + I * carg(c) / log(10)
32 The other functions perform the same task for
39 close to zero will cause an overflow.
41 These functions first appeared in glibc in version 2.1.
43 For an explanation of the terms used in this section, see
51 Interface Attribute Value
56 T} Thread safety MT-Safe
62 These functions are GNU extensions.
63 The identifiers are reserved for future use in C99 and C11.