author | wenzelm |
Wed, 20 Jun 2007 22:07:52 +0200 | |
changeset 23442 | 028e39e5e8f3 |
child 23510 | 4521fead5609 |
permissions | -rw-r--r-- |
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The Metis prover (slightly modified version from Larry);
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(* ========================================================================= *) |
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(* MLTON SPECIFIC FUNCTIONS *) |
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(* Copyright (c) 2002-2006 Joe Hurd, distributed under the GNU GPL version 2 *) |
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(* ========================================================================= *) |
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structure Portable :> Portable = |
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struct |
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(* ------------------------------------------------------------------------- *) |
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(* The ML implementation. *) |
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(* ------------------------------------------------------------------------- *) |
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val ml = "mlton"; |
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(* ------------------------------------------------------------------------- *) |
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(* Pointer equality using the run-time system. *) |
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(* ------------------------------------------------------------------------- *) |
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val pointerEqual = MLton.eq; |
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(* ------------------------------------------------------------------------- *) |
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(* Timing function applications a la Mosml.time. *) |
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(* ------------------------------------------------------------------------- *) |
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fun time f x = |
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let |
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fun p t = |
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let |
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val s = Time.fmt 3 t |
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in |
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case size (List.last (String.fields (fn x => x = #".") s)) of |
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3 => s |
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| 2 => s ^ "0" |
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| 1 => s ^ "00" |
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| _ => raise Fail "Portable.time" |
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end |
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val c = Timer.startCPUTimer () |
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val r = Timer.startRealTimer () |
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fun pt () = |
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let |
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val {usr,sys} = Timer.checkCPUTimer c |
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val real = Timer.checkRealTimer r |
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in |
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("User: " ^ p usr ^ " System: " ^ p sys ^ |
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" Real: " ^ p real ^ "\n") |
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end |
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val y = f x handle e => (pt (); raise e) |
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val () = pt () |
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in |
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y |
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end; |
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end |
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(* ------------------------------------------------------------------------- *) |
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(* Quotations a la Moscow ML. *) |
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(* ------------------------------------------------------------------------- *) |
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datatype 'a frag = QUOTE of string | ANTIQUOTE of 'a; |