standard.C.math.ldexp

Concept Framework 2.2 documentation

standard.C.math.ldexp

Name	Version	Deprecated
ldexp	version 1.0	no

Prototype:

number ldexp(number x, number exp)

Parameters:

x	[in] Any number
exp	[in] Integer exponent

Description:

Computes a real number from the mantissa and exponent. Returns the value of x * 2^exp if successful.
On overflow (depending on the sign of x), ldexp returns +/- indefinite.

Example:

import standard.C.math

class Main {
     function Main() {
          var x = 4;
          var y;
          var p = 3;

          y = ldexp(x, p);
          echo "" + x + " times two to the power of " + p + " is " + y;
     }
} 
 

Results 
4 times two to the power of 3 is 32

Returns:
Returns the value of x * 2^exp if successful. On overflow (depending on the sign of x), ldexp returns +/- indefinite.

Documented by Simona Gabriela Plesuvu, generation time: Sun Jan 27 18:15:14 2013 GMT