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exp2

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< c‎ | numeric‎ | math
Revision as of 16:28, 1 July 2013 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
 
Defined in header <math.h>
float       exp2f( float n );
(since C99)
double      exp2( double n );
(since C99)
long double exp2l( long double n );
(since C99)

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

(C99)(C99)
computes e raised to the given power (ex)
(function) [edit]
(C99)(C99)
computes natural (base-e) logarithm (ln(x))
(function) [edit]
(C99)(C99)
computes a number raised to the given power (xy)
(function) [edit]