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1.1 ! root 1: .TH QUINE 10.1 UCDS ! 2: .SH NAME ! 3: quine, cover, hazard \- logic programs ! 4: .SH SYNOPSIS ! 5: .B quine ! 6: .br ! 7: .B cover ! 8: [ ! 9: .B -s ! 10: ] ! 11: .br ! 12: .B hazard ! 13: [ ! 14: .BI - n ! 15: ] ... ! 16: .SH DESCRIPTION ! 17: .IR Quine , cover , ! 18: and ! 19: .I hazard ! 20: are programs that read the standard input and write the standard ! 21: output, both in the format of ! 22: .IR minterm (10.5). ! 23: .PP ! 24: .I Quine ! 25: produces a Quine-McCluskey reduction of the input data. ! 26: .I Cover ! 27: does the covering problem, which is exponentially hard ! 28: and may not finish in reasonable time. ! 29: .B Cover -s ! 30: does not do the complete problem and goes faster. ! 31: .I Hazard ! 32: adds terms to eliminate internal hazards that can occur ! 33: in PAL's and PLA's. The hazard can occur when the form of the ! 34: equations is ! 35: .RI ( a & x ) ! 36: | ! 37: .RI ( b & ! 38: .RI ! x ). ! 39: When ! 40: .I a ! 41: and ! 42: .I b ! 43: are both true ! 44: a glitch may appear on the output when ! 45: .I x ! 46: is changed. ! 47: .I Hazard ! 48: eliminates it by ! 49: adding another term ! 50: .RI ( a & b ). ! 51: If there are any ! 52: .BI - n ! 53: option flags for ! 54: .IR hazard , ! 55: only those outputs whose symbols are in the set of ! 56: .IR n 's ! 57: will be modified by hazard, otherwise all outputs are ! 58: (possibly) modified. ! 59: .SH SEE ALSO ! 60: .IR lde (10.1), ! 61: .IR minterm (10.5), ! 62: .IR pal (10.1) ! 63: .SH FILES ! 64: .BI qtmp n ! 65: and ! 66: .BI bsort n ! 67: in the working directory for temporaries.
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