Returns the product of a (the significand) and 2 to power b (the exponent). 
- Template Parameters
 - 
  
    | T1 | scalar type of significand  | 
  
   
- Parameters
 - 
  
    | [in] | a | the significand  | 
    | [in] | b | an integer that is the exponent  | 
  
   
- Returns
 - product of a times 2 to the power b 
 
Definition at line 21 of file ldexp.hpp.