cexp-cexpf-cexpl.md

title	cexp, cexpf, cexpl
description	API reference for cexp, cexpf, and cexpl; which compute the base-e exponential of a complex number.
ms.date	11/04/2016
api_name	cexp cexpf cexpl
api_location	msvcrt.dll msvcr80.dll msvcr90.dll msvcr100.dll msvcr100_clr0400.dll msvcr110.dll msvcr110_clr0400.dll msvcr120.dll msvcr120_clr0400.dll ucrtbase.dll api-ms-win-crt-math-l1-1-0.dll
api_type	DLLExport
topic_type	apiref
f1_keywords	cexp cexpf cexpl complex/cepx complex/cexpf complex/cexpl
helpviewer_keywords	cexp function cexpl function cexpf function
ms.assetid	f27fd5a9-70c7-4957-a7ee-5256d19bd1da

cexp, cexpf, cexpl

Compute the base-e exponential of a complex number.

Syntax

_Dcomplex cexp( _Dcomplex z );
_Fcomplex cexpf( _Fcomplex z );
_Lcomplex cexpl( _Lcomplex z );

_Fcomplex cexp( _Fcomplex z );  // C++ only
_Lcomplex cexp( _Lcomplex z );  // C++ only

Parameters

z
A complex number that represents the exponent.

Return value

The value of e raised to the power of z.

Remarks

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

Requirements

Routine	C header	C++ header
cexp, cexpf, cexpl	<complex.h>	<complex.h>

For compatibility information, see Compatibility.

See also

Alphabetical function reference
cpow, cpowf, cpowl
clog10, clog10f, clog10l
clog, clogf, clogl