Initialize the hypre object
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| class(hypre_obj), | intent(inout) | :: | this | 
                 Hypre machinery  | 
        ||
| type(block_obj), | intent(in), | target | :: | block | 
                 A block object  | 
        |
| type(parallel_obj), | intent(in), | target | :: | parallel | 
                 parallel structure from main program  |