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exp2

From cppreference.com
< c | numeric | math
 
 
 
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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

[edit] Parameters

n - floating point value

[edit] 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.

[edit] See also

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