Namespaces
Variants
Views
Actions

exp2

From cppreference.com
< c‎ | numeric‎ | math
Revision as of 19:54, 2 November 2012 by P12bot (Talk | contribs)

 
 
 
Common mathematical functions
Functions
Basic operations
(C99)
(C99)
(C99)
(C99)
(C99)
(C99)(C99)(C99)
Exponential functions
exp2
(C99)
(C99)
(C99)
(C99)
Power functions
(C99)
(C99)
Trigonometric and hyperbolic functions
(C99)
(C99)
(C99)
Error and gamma functions
(C99)
(C99)
(C99)
(C99)
Nearest integer floating point operations
(C99)(C99)(C99)
(C99)
(C99)(C99)(C99)
Floating point manipulation functions
(C99)(C99)
(C99)
(C99)
Classification
(C99)
(C99)
(C99)
Macro constants
 

Template:ddcl list begin <tr class="t-dsc-header">

<td>
Defined in header <math.h>
</td>

<td></td> <td></td> <tr class="t-dcl ">

<td >
float       exp2f( float n );
</td>

<td class="t-dcl-nopad"> </td> <td > (since C99) </td> </tr> <tr class="t-dcl ">

<td >
double      exp2( double n );
</td>

<td class="t-dcl-nopad"> </td> <td > (since C99) </td> </tr> <tr class="t-dcl ">

<td >
long double exp2l( long double n );
</td>

<td class="t-dcl-nopad"> </td> <td > (since C99) </td> </tr> Template:ddcl list end

Computes 2 raised to the given power n

Parameters

n - floating point value

Return value

2 raised to the n (i.e. 2n)

If the result is too large for the underlying type, range error occurs and HUGE_VAL is returned.

See also

Template:c/numeric/math/dcl list expTemplate:c/numeric/math/dcl list logTemplate:c/numeric/math/dcl list pow