Returns the value of 2 raised to the power of the argument.

    This function is supported on OpenVMS Integrity servers and
    Alpha only.

    Format

      #include  <math.h>

      double exp2  (double x);

      float exp2f  (float x);

      long double exp2l  (long double x); )

  Additional Information (explode) :

• Argument
• Description
• Return Values