##### cppreference.com

##### Search

Create account

##### Namespaces

- Page
- Discussion

##### Variants

##### Views

- View
- Edit
- History

##### Actions

# clogf, clog, clogl

From cppreference.com
< c‎ | numeric‎ | complex

Defined in header `<complex.h>` |  |
float complex clogf( float complex z ); |  | (since C99)
double complex clog( double complex z ); |  | (since C99)
long double complex clogl( long double complex z ); |  | (since C99)

Computes the complex natural (base-e) logarithm of `z` with branch cut along the negative real axis.

### [edit] Parameters

z | - | complex argument

### [edit] Return value

The complex natural logarithm of `z` in the interval (−∞; +∞) along the real axis and in the interval (−iπ; +iπ) along the imaginary axis.

### [edit] Example

| This section is incomplete Reason: no example

### [edit] See also

cexp cexpf cexpl (C99)(C99)(C99) | computes the complex base-e exponential (function) [edit]

Retrieved from "http://en.cppreference.com/mwiki/index.php?title=c/numeric/complex/clog&oldid=62531"
Category:

- Todo no example