| .\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de) |
| .\" Distributed under GPL |
| .\" |
| .TH CLOG10 3 2002-07-28 "" "Linux Programmer's Manual" |
| .SH NAME |
| clog10, clog10f, clog10l \- base-10 logarithm of a complex number |
| .SH SYNOPSIS |
| .B #define _GNU_SOURCE |
| .br |
| .B #include <complex.h> |
| .sp |
| .BI "double complex clog10(double complex " z ); |
| .br |
| .BI "float complex clog10f(float complex " z ); |
| .br |
| .BI "long double complex clog10l(long double complex " z ); |
| .sp |
| Link with \fI\-lm\fP. |
| .SH DESCRIPTION |
| The call |
| .I clog10(z) |
| is equivalent to |
| .IR clog(z)/log(10) . |
| The other functions perform the same task for |
| .I float |
| and |
| .IR "long double" . |
| |
| Note that |
| .I z |
| close to zero will cause an overflow. |
| .SH "CONFORMING TO" |
| This function is a GNU extension. |
| It is reserved for future use in C99. |
| .SH "SEE ALSO" |
| .BR cabs (3), |
| .BR cexp (3), |
| .BR clog (3), |
| .BR clog2 (3), |
| .BR complex (7), |
| .BR feature_test_macros (7) |