exp2

NAME

exp2, exp2f, exp2l - base-2 exponential function

#include <math.h>
 I double exp2(double  x );

I float exp2f(float  x );

I long double exp2l(long double  x );

Compile with -std=c99; link with -lm.

The R exp2 () function returns the value of 2 raised to the power of x.

SVr4, POSIX.1-2001, 4.3BSD, C89. The float and long double variants are C99 requirements.