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clog10, clog10f, clog10l

Retrieves the logarithm (base 10) of a complex number.

Syntax

_Dcomplex clog10( _Dcomplex z );
_Fcomplex clog10f( _Fcomplex z );
_Lcomplex clog10l( _Lcomplex z );
_Fcomplex clog10( _Fcomplex z );  // C++ only
_Lcomplex clog10( _Lcomplex z );  // C++ only

Parameters

z
The base of the logarithm.

Return value

The possible return values are:

z parameter Return value
Positive The logarithm (base 10) of z
Zero - INF
Negative NaN
NaN NaN
+ INF + INF

Remarks

Because C++ allows overloading, you can call overloads of clog10 that take and return _Fcomplex and _Lcomplex values. In a C program, clog10 always takes and returns a _Dcomplex value.

Requirements

Routine C header C++ header
clog10, clog10f, clog10l <complex.h> <ccomplex>

For more compatibility information, see Compatibility.

See also

Alphabetical function reference
cexp, cexpf, cexpl
cpow, cpowf, cpowl
clog, clogf, clogl