" This is a sample physical information (.pi) file that is created " by default when no .pi file is present. To set up a different " design default, create a "default.pi" file in the local directory " where PLDesigner-XL is executed. " " The pi file is used for specifying device specific parameters while " maintaining a device independent design entry. Information on the use " of the pi file is in chapter 14-16 of the PLDesigner-XL User's Guide. " " The following parameters are the default values the optimizer uses during " node collapsing. For more information on controlling the optimizer see " chapter 13 of the user manual. { MAX_SYMBOLS 20, MAX_PTERMS 16, POLARITY_CONTROL TRUE, MAX_XOR_PTERMS 0, XOR_POLARITY_CONTROL FALSE };