dbscsm_c.c

来自「用于求解大型稀疏线性方程组Ax=b的数值计算库.」· C语言 代码 · 共 1,470 行 · 第 1/5 页

                                     bpntrb, bpntre, lb, 
                                     b, beta, c, work, ind_base);
                break;
             case 2: /* Left scaling */
                BSC_VecTriangSlvLU_CaDABbC_double(mb,  dv, alpha, val, bindx,
                                     bpntrb, 
                                     bpntre, lb, b, beta, c, work, ind_base);
                break;
             case 3: /* Right scaling */
                BSC_VecTriangSlvLU_CaADBbC_double(mb,  dv, alpha, val, bindx,
                                     bpntrb, 
                                     bpntre, lb, b, beta, c, work, ind_base);
                break;
             default:
                printf("Invalid argument unitd in dbscsm. Use 1-3. \n");
                break;
             } /* end switch on unitd */
           }
         }
         break;
       default: /* Mat Mult */
         if (alpha == 1) {
           if (beta == 1) {
             switch (unitd) {
             case 1: /* No scaling */
                BSC_MatTriangSlvLU_CABC_double(mb, n,  val, bindx,
                                     bpntrb, bpntre, lb, b, 
                                     ldb, c, ldc, work, ind_base);
                break;
             case 2: /* Left scaling */
                BSC_MatTriangSlvLU_CDABC_double(mb, n,  dv, val, bindx,
                                     bpntrb, bpntre, lb, 
                                     b, ldb, c, ldc, work, ind_base);
                break;
             case 3: /* Right scaling */
                BSC_MatTriangSlvLU_CADBC_double(mb, n,  dv, val, bindx,
                                     bpntrb, bpntre, lb, 
                                     b, ldb, c, ldc, work, ind_base);
                break;
             default:
                printf("Invalid argument unitd in dbscsm. Use 1-3. \n");
                break;
             } /* end switch on unitd */
#if (0)
           } else if (beta == -1) {
             switch (unitd) {
             case 1: /* No scaling */
                BSC_MatTriangSlvLU_CABmC_double(mb, n,  val, bindx,
                                     bpntrb, bpntre, lb, b, 
                                     ldb, c, ldc, work, ind_base);
                break;
             case 2: /* Left scaling */
                BSC_MatTriangSlvLU_CDABmC_double(mb, n,  dv, val, bindx,
                                     bpntrb, bpntre, lb, 
                                     b, ldb, c, ldc, work, ind_base);
                break;
             case 3: /* Right scaling */
                BSC_MatTriangSlvLU_CADBmC_double(mb, n,  dv, val, bindx,
                                     bpntrb, bpntre, lb, 
                                     b, ldb, c, ldc, work, ind_base);
                break;
             default:
                printf("Invalid argument unitd in dbscsm. Use 1-3. \n");
                break;
             } /* end switch on unitd */
#endif
           } else if (beta == 0) {
             switch (unitd) {
             case 1: /* No scaling */
                BSC_MatTriangSlvLU_CAB_double(mb, n,  val, bindx,
                                     bpntrb, bpntre, lb, b, 
                                     ldb, c, ldc, ind_base);
                break;
             case 2: /* Left scaling */
                BSC_MatTriangSlvLU_CDAB_double(mb, n,  dv, val, bindx,
                                     bpntrb, bpntre, lb, 
                                     b, ldb, c, ldc, work, ind_base);
                break;
             case 3: /* Right scaling */
                BSC_MatTriangSlvLU_CADB_double(mb, n,  dv, val, bindx,
                                     bpntrb, bpntre, lb, 
                                     b, ldb, c, ldc, ind_base);
                break;
             default:
                printf("Invalid argument unitd in dbscsm. Use 1-3. \n");
                break;
             } /* end switch on unitd */
           } else { /*  beta is general nonzero */
             switch (unitd) {
             case 1: /* No scaling */
                BSC_MatTriangSlvLU_CABbC_double(mb, n,  val, bindx,
                                     bpntrb, bpntre, lb, b, 
                                     ldb, beta, c, ldc, work, ind_base);
                break;
             case 2: /* Left scaling */
                BSC_MatTriangSlvLU_CDABbC_double(mb, n,  dv, val, bindx,
                                     bpntrb, bpntre, lb, 
                                     b, ldb, beta, c, ldc, work, ind_base);
                break;
             case 3: /* Right scaling */
                BSC_MatTriangSlvLU_CADBbC_double(mb, n,  dv, val, bindx,
                                     bpntrb, bpntre, lb, 
                                     b, ldb, beta, c, ldc, work, ind_base);
                break;
             default:
                printf("Invalid argument unitd in dbscsm. Use 1-3. \n");
                break;
             } /* end switch on unitd */
           }
         } else {   /* alpha is general nonzero */
           if (beta == 1) {
             switch (unitd) {
             case 1: /* No scaling */
                BSC_MatTriangSlvLU_CaABC_double(mb, n,  alpha, val, bindx,
                                     bpntrb, 
                                     bpntre, lb, b, ldb, c, ldc, work, ind_base);
                break;
             case 2: /* Left scaling */
                BSC_MatTriangSlvLU_CaDABC_double(mb, n,  dv, alpha, val, bindx,
                                  
                                        bpntrb, bpntre, lb, b, ldb, c, ldc, work, ind_base);
                break;
             case 3: /* Right scaling */
                BSC_MatTriangSlvLU_CaADBC_double(mb, n,  dv, alpha, val, bindx,
                                  
                                        bpntrb, bpntre, lb, b, ldb, c, ldc, work, ind_base);
                break;
             default:
                printf("Invalid argument unitd in dbscsm. Use 1-3. \n");
                break;
             } /* end switch on unitd */
#if (0)
           } else if (beta == -1) {
             switch (unitd) {
             case 1: /* No scaling */
                BSC_MatTriangSlvLU_CaABmC_double(mb, n,  alpha, val, bindx,
                                     bpntrb, 
                                     bpntre, lb, b, ldb, c, ldc, work, ind_base);
                break;
             case 2: /* Left scaling */
                BSC_MatTriangSlvLU_CaDABmC_double(mb, n,  dv, alpha, val, bindx,
                                  
                                        bpntrb, bpntre, lb, b, ldb, c, ldc, work, ind_base);
                break;
             case 3: /* Right scaling */
                BSC_MatTriangSlvLU_CaADBmC_double(mb, n,  dv, alpha, val, bindx,
                                  
                                        bpntrb, bpntre, lb, b, ldb, c, ldc, work, ind_base);
                break;
             default:
                printf("Invalid argument unitd in dbscsm. Use 1-3. \n");
                break;
             } /* end switch on unitd */
#endif
           } else if (beta == 0) {
             switch (unitd) {
             case 1: /* No scaling */
                BSC_MatTriangSlvLU_CaAB_double(mb, n,  alpha, val, bindx,
                                     bpntrb, 
                                     bpntre, lb, b, ldb, c, ldc, ind_base);
                break;
             case 2: /* Left scaling */
                BSC_MatTriangSlvLU_CaDAB_double(mb, n,  dv, alpha, val, bindx,
                                  
                                        bpntrb, bpntre, lb, b, ldb, c, ldc, work, ind_base);
                break;
             case 3: /* Right scaling */
                BSC_MatTriangSlvLU_CaADB_double(mb, n,  dv, alpha, val, bindx,
                                  
                                        bpntrb, bpntre, lb, b, ldb, c, ldc, ind_base);
                break;
             default:
                printf("Invalid argument unitd in dbscsm. Use 1-3. \n");
                break;
             } /* end switch on unitd */
           } else { /*  beta is general nonzero */
             switch (unitd) {
             case 1: /* No scaling */
                BSC_MatTriangSlvLU_CaABbC_double(mb, n,  alpha, val, bindx,
                                     bpntrb, 
                                     bpntre, lb, b, ldb, beta, c, ldc, work, ind_base);
                break;
             case 2: /* Left scaling */
                BSC_MatTriangSlvLU_CaDABbC_double(mb, n,  dv, alpha, val, bindx,
                                  
                                        bpntrb, bpntre, lb, b, ldb, beta, c, ldc, work, ind_base);
                break;
             case 3: /* Right scaling */
                BSC_MatTriangSlvLU_CaADBbC_double(mb, n,  dv, alpha, val, bindx,
                                  
                                        bpntrb, bpntre, lb, b, ldb, beta, c, ldc, work, ind_base);
                break;
             default:
                printf("Invalid argument unitd in dbscsm. Use 1-3. \n");
                break;
             } /* end switch on unitd */
           }
         }
         break;
       } /* end switch on n */
       break;
    case 2:  /* Upper triangular, Unit diagonal */
       switch (n) {
       case 1: /* Vec Mult */
         if (alpha == 1) {
           if (beta == 1) {
             switch (unitd) {
             case 1: /* No scaling */
                BSC_VecTriangSlvUU_CABC_double(mb,  val, bindx,
                                     bpntrb, bpntre, lb, b, 
                                     c, work, ind_base);
                break;
             case 2: /* Left scaling */
                BSC_VecTriangSlvUU_CDABC_double(mb,  dv, val, bindx,
                                     bpntrb, bpntre, lb, b, 
                                     c, work, ind_base);
                break;
             case 3: /* Right scaling */
                BSC_VecTriangSlvUU_CADBC_double(mb,  dv, val, bindx,
                                     bpntrb, bpntre, lb, b, 
                                     c, work, ind_base);
                break;
             default:
                printf("Invalid argument unitd in dbscsm. Use 1-3. \n");
                break;
             } /* end switch on unitd */
#if (0)
           } else if (beta == -1) {
             switch (unitd) {
             case 1: /* No scaling */
                BSC_VecTriangSlvUU_CABmC_double(mb,  val, bindx,
                                     bpntrb, bpntre, lb, b, 
                                     c, work, ind_base);
                break;
             case 2: /* Left scaling */
                BSC_VecTriangSlvUU_CDABmC_double(mb,  dv, val, bindx,
                                     bpntrb, bpntre, lb, b, 
                                     c, work, ind_base);
                break;
             case 3: /* Right scaling */
                BSC_VecTriangSlvUU_CADBmC_double(mb,  dv, val, bindx,
                                     bpntrb, bpntre, lb, b, 
                                     c, work, ind_base);
                break;
             default:
                printf("Invalid argument unitd in dbscsm. Use 1-3. \n");
                break;
             } /* end switch on unitd */
#endif
           } else if (beta == 0) {
             switch (unitd) {
             case 1: /* No scaling */
                BSC_VecTriangSlvUU_CAB_double(mb,  val, bindx,
                                     bpntrb, bpntre, lb, b, 
                                     c, ind_base);
                break;
             case 2: /* Left scaling */
                BSC_VecTriangSlvUU_CDAB_double(mb,  dv, val, bindx,
                                     bpntrb, bpntre, lb, b, 
                                     c, work, ind_base);
                break;
             case 3: /* Right scaling */
                BSC_VecTriangSlvUU_CADB_double(mb,  dv, val, bindx,
                                     bpntrb, bpntre, lb, b, 
                                     c, ind_base);
                break;
             default:
                printf("Invalid argument unitd in dbscsm. Use 1-3. \n");
                break;
             } /* end switch on unitd */
           } else  { /*  beta is general nonzero */
             switch (unitd) {
             case 1: /* No scaling */
                BSC_VecTriangSlvUU_CABbC_double(mb,  val, bindx,
                                     bpntrb, bpntre, lb, b, 
                                     beta, c, work, ind_base);
                break;
             case 2: /* Left scaling */
                BSC_VecTriangSlvUU_CDABbC_double(mb,  dv, val, bindx,
                                     bpntrb, bpntre, lb, b, 
                                     beta, c, work, ind_base);
                break;
             case 3: /* Right scaling */
                BSC_VecTriangSlvUU_CADBbC_double(mb,  dv, val, bindx,
                                     bpntrb, bpntre, lb, b, 
                                     beta, c, work, ind_base);
                break;
             default:
                printf("Invalid argument unitd in dbscsm. Use 1-3. \n");
                break;
             } /* end switch on unitd */
           }
         } else { /* alpha is general nonzero */
           if (beta == 1) {