| 71 |  |  | 
| 72 |  | // total number of frames that can fit in memory | 
| 73 |  | //RealType frameCapacity = avaliablePhysMem / bytesPerFrame; | 
| 74 | < | RealType frameCapacity = memSize_ / bytesPerFrame; | 
| 74 | > | RealType frameCapacity = (RealType) memSize_ / (RealType) bytesPerFrame; | 
| 75 |  |  | 
| 76 |  | // number of frames in each block given the need to hold multiple blocks | 
| 77 |  | // in memory at the same time: | 
| 151 |  | //if number of active blocks is less than the block capacity, just load it | 
| 152 |  | internalLoad(block); | 
| 153 |  | loadSuccess = true; | 
| 154 | < | } else if (hasZeroRefBlock() > 0) { | 
| 154 | > | } else if ( hasZeroRefBlock() ) { | 
| 155 |  | //if already reach the block capacity, need to unload a block with 0 reference | 
| 156 |  | int zeroRefBlock = getFirstZeroRefBlock(); | 
| 157 |  | assert(zeroRefBlock != -1); |