| #include "custom.h" |
| |
| int usoftnet( CELLBOXPTR cellptr ) |
| { |
| |
| DIMBOXPTR dimptr ; |
| NETBOXPTR netptr ; |
| TERMNETSPTR tmptr ; |
| UNCOMBOX *UCptr ; |
| |
| int tm ; |
| int cost ; |
| int x , y ; |
| |
| cost = 0 ; |
| UCptr = cellptr->unComTerms ; |
| |
| for( tm = 1 ; tm <= cellptr->numUnComTerms ; tm++ ) { |
| tmptr = termarray[ UCptr[tm].terminal ]; |
| dimptr = netarray[ tmptr->net ] ; |
| if( dimptr->flag == 0 || dimptr->skip == 1 ) { |
| continue ; |
| } |
| dimptr->flag = 0 ; |
| netptr = dimptr->netptr ; |
| for( ; ; netptr = netptr->nextterm ) { |
| if( netptr == NETNULL ) { |
| break ; |
| } |
| if( netptr->skip == 1 ) { |
| continue ; |
| } |
| if( netptr->flag == 1 ) { |
| dimptr->newxmin = dimptr->newxmax = netptr->newx ; |
| dimptr->newymin = dimptr->newymax = netptr->newy ; |
| netptr->flag = 0 ; |
| } else { |
| dimptr->newxmin = dimptr->newxmax = netptr->xpos ; |
| dimptr->newymin = dimptr->newymax = netptr->ypos ; |
| } |
| netptr = netptr->nextterm ; |
| break ; |
| } |
| for( ; netptr != NETNULL ; netptr = netptr->nextterm ) { |
| if( netptr->skip == 1 ) { |
| continue ; |
| } |
| if( netptr->flag == 1 ) { |
| x = netptr->newx ; |
| y = netptr->newy ; |
| netptr->flag = 0 ; |
| } else { |
| x = netptr->xpos ; |
| y = netptr->ypos ; |
| } |
| if( x < dimptr->newxmin ) { |
| dimptr->newxmin = x ; |
| } else if( x > dimptr->newxmax ) { |
| dimptr->newxmax = x ; |
| } |
| if( y < dimptr->newymin ) { |
| dimptr->newymin = y ; |
| } else if( y > dimptr->newymax ) { |
| dimptr->newymax = y ; |
| } |
| } |
| cost += ((int)( dimptr->Hweight * |
| (double)(dimptr->newxmax - dimptr->newxmin))) - |
| ((int)( dimptr->Hweight * |
| (double)(dimptr->xmax - dimptr->xmin))) + |
| ((int)( dimptr->Vweight * |
| (double)( dimptr->newymax - dimptr->newymin))) - |
| ((int)( dimptr->Vweight * |
| (double)( dimptr->ymax - dimptr->ymin))); |
| } |
| return( cost ) ; |
| } |
