Create a new DOFValue to hold a single value of type float32. 
- Resource Management:
- This function allocates resources that must later be freed by calling DOFValue_Destroy.
- Parameters
- 
  
  
- Returns
- The new DOFValue, representing a single value of type float32.
- Exceptions
- 
  
    | NULL | is returned if the resulting DOFValue could not be created. |