typedef enum { PC_HPDDM_COARSE_CORRECTION_DEFLATED, PC_HPDDM_COARSE_CORRECTION_ADDITIVE, PC_HPDDM_COARSE_CORRECTION_BALANCED } PCHPDDMCoarseCorrectionType;
| PC_HPDDM_COARSE_CORRECTION_DEFLATED (default) | - eq. (1) in PCHPDDMShellApply() | |
| PC_HPDDM_COARSE_CORRECTION_ADDITIVE | - eq. (2) | |
| PC_HPDDM_COARSE_CORRECTION_BALANCED | - eq. (3) |