Merge pull request #3102 from sahildua2305/remove-gpl-samples

Replace ATS GPL Samples
This commit is contained in:
Arfon Smith
2016-07-09 21:57:47 -06:00
committed by GitHub
6 changed files with 1191 additions and 742 deletions

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(*
* The MIT License (MIT)
*
* Copyright (c) 2014 Hongwei Xi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.)
*)
// Source: https://github.com/githwxi/ATS-Postiats-contrib/blob/201d635062d0ea64ff5ba5457a4ea0bb4d5ae202/contrib/libats-/hwxi/teaching/mysession-g/SATS/basis_ssntype.sats
(*
** Basis for g-session types
*)
(* ****** ****** *)
//
staload
"./basis_intset.sats"
//
(* ****** ****** *)
//
fun{}
channel_cap(): intGte(1)
//
(* ****** ****** *)
//
abstype
session_msg
(i:int, j:int, a:vt@ype)
//
(* ****** ****** *)
abstype ssession_nil
abstype ssession_cons(a:type, ssn:type)
(* ****** ****** *)
//
stadef msg = session_msg
//
stadef nil = ssession_nil
//
stadef :: = ssession_cons
stadef cons = ssession_cons
//
(* ****** ****** *)
//
abstype
session_append
(ssn1: type, ssn2: type)
//
stadef append = session_append
//
(* ****** ****** *)
//
abstype
session_choose
(
i:int, ssn1:type, ssn2:type
) (* session_choose *)
//
stadef choose = session_choose
//
(* ****** ****** *)
//
abstype
session_repeat
(
i:int, ssn:type(*body*)
) (* session_repeat *)
//
stadef repeat = session_repeat
//
(* ****** ****** *)
//
typedef
session_sing
(
i: int
, j: int
, a:vt@ype
) = cons(msg(i, j, a), nil)
//
(* ****** ****** *)
//
absvtype
channel1_vtype
(G:iset, n:int, ssn:type) = ptr
//
vtypedef
channel1
(G:iset, n:int, ssn:type) = channel1_vtype(G, n, ssn)
//
vtypedef
cchannel1
(G:iset, n:int, ssn:type) = channel1_vtype(ncomp(n, G), n, ssn)
//
(* ****** ****** *)
//
fun{}
channel1_get_nrole
{n:int}{ssn:type}{G:iset}
(chan: !channel1(G, n, ssn)): int(n)
//
fun{}
channel1_get_group
{n:int}{ssn:type}{G:iset}
(chan: !channel1(G, n, ssn)): intset(n,G)
//
(* ****** ****** *)
//
fun
{a:vt0p}
channel1_close
{n:int}{ssn:type}{G:iset}(chan: channel1(G, n, nil)): void
//
(* ****** ****** *)
//
fun{}
channel1_skipin
{a:vt0p}
{n:int}{ssn:type}{G:iset}
{i,j:nat | ismbr(G, i); ismbr(G, j)}
(
!channel1(G, n, msg(i, j, a)::ssn) >> channel1(G, n, ssn)
) : void // end-of-function
praxi
lemma_channel1_skipin
{a:vt0p}
{n:int}{ssn:type}{G:iset}
{i,j:nat | ismbr(G, i); ismbr(G, j)}
(
!channel1(G, n, msg(i, j, a)::ssn) >> channel1(G, n, ssn)
) : void // lemma_channel1_skipin
//
fun{}
channel1_skipex
{a:vt0p}
{n:int}{ssn:type}{G:iset}
{i,j:nat | ~ismbr(G, i); ~ismbr(G, j)}
(
!channel1(G, n, msg(i, j, a)::ssn) >> channel1(G, n, ssn)
) : void // end-of-function
praxi
lemma_channel1_skipex
{a:vt0p}
{n:int}{ssn:type}{G:iset}
{i,j:nat | ~ismbr(G, i); ~ismbr(G, j)}
(
!channel1(G, n, msg(i, j, a)::ssn) >> channel1(G, n, ssn)
) : void // lemma_channel1_skipex
//
(* ****** ****** *)
//
fun
{a:vt0p}
channel1_send
{n:int}{ssn:type}{G:iset}
{i,j:nat | i < n; j < n; ismbr(G, i); ~ismbr(G, j)}
(
!channel1(G, n, msg(i, j, a)::ssn) >> channel1(G, n, ssn), int(i), int(j), a
) : void // end of [channel1_send]
//
fun
{a:vt0p}
channel1_recv
{n:int}{ssn:type}{G:iset}
{i,j:nat | i < n; j < n; ~ismbr(G, i); ismbr(G, j)}
(
!channel1(G, n, msg(i, j, a)::ssn) >> channel1(G, n, ssn), int(i), int(j), &a? >> a
) : void // end of [channel1_recv]
//
fun
{a:vt0p}
channel1_recv_val
{n:int}{ssn:type}{G:iset}
{i,j:nat | i < n; j < n; ~ismbr(G, i); ismbr(G, j)}
(!channel1(G, n, msg(i, j, a)::ssn) >> channel1(G, n, ssn), int(i), int(j)): (a)
//
(* ****** ****** *)
fun{}
channel1_append
{n:int}
{ssn1,ssn2:type}
{G:iset}
(
chan: !channel1(G, n, append(ssn1, ssn2)) >> channel1(G, n, ssn2)
, fserv: (!channel1(G, n, ssn1) >> channel1(G, n, nil)) -<lincloptr1> void
) : void // end of [channel1_append]
(* ****** ****** *)
//
datatype
choosetag
(
a:type, b:type, c:type
) =
| choosetag_l(a, b, a) of ()
| choosetag_r(a, b, b) of ()
//
(* ****** ****** *)
//
fun{}
channel1_choose_l
{n:int}
{ssn1,ssn2:type}
{G:iset}
{i:nat | i < n; ismbr(G, i)}
(
!channel1(G, n, choose(i,ssn1,ssn2)) >> channel1(G, n, ssn1), i: int(i)
) : void // end of [channel1_choose_l]
//
fun{}
channel1_choose_r
{n:int}
{ssn1,ssn2:type}
{G:iset}
{i:nat | i < n; ismbr(G, i)}
(
!channel1(G, n, choose(i,ssn1,ssn2)) >> channel1(G, n, ssn2), i: int(i)
) : void // end of [channel1_choose_r]
//
fun{}
channel1_choose_tag
{n:int}
{ssn1,ssn2:type}
{G:iset}
{i:nat | i < n; ~isnil(G); ~ismbr(G, i)}
(
!channel1(G, n, choose(i,ssn1,ssn2)) >> channel1(G, n, ssn_chosen), i: int(i)
) : #[ssn_chosen:type] choosetag(ssn1, ssn2, ssn_chosen)
//
(* ****** ****** *)
//
fun{}
channel1_repeat_0
{n:int}
{ssn:type}
{G:iset}
{i:nat | i < n; ismbr(G, i)}
(
!channel1(G, n, repeat(i,ssn)) >> channel1(G, n, nil), i: int(i)
) : void // end of [channel1_repeat_nil]
//
fun{}
channel1_repeat_1
{n:int}
{ssn:type}
{G:iset}
{i:nat | i < n; ismbr(G, i)}
(
!channel1(G, n, repeat(i,ssn)) >> channel1(G, n, append(ssn,repeat(i,ssn))), i: int(i)
) : void // end of [channel1_repeat_more]
//
fun{}
channel1_repeat_tag
{n:int}
{ssn:type}
{G:iset}
{i:nat | i < n; ~isnil(G); ~ismbr(G, i)}
(
!channel1(G, n, repeat(i,ssn)) >> channel1(G, n, ssn_chosen), i: int(i)
) : #[ssn_chosen:type] choosetag(nil, append(ssn,repeat(i,ssn)), ssn_chosen)
//
(* ****** ****** *)
//
(*
//
// HX-2015-03-06:
// This one does not work with sschoose!!!
//
fun{}
channel1_link
{n:int}{ssn:type}
{G1,G2:iset | isnil(G1*G2)}
(channel1(G1, n, ssn), channel1(G2, n, ssn)): channel1(G1+G2, n, ssn)
*)
//
fun{}
channel1_link
{n:int}{ssn:type}
{G1,G2:iset | isful(G1+G2,n)}
(channel1(G1, n, ssn), channel1(G2, n, ssn)): channel1(G1*G2, n, ssn)
//
(* ****** ****** *)
//
fun{}
channel1_link_elim
{n:int}{ssn:type}{G:iset}(channel1(G, n, ssn), cchannel1(G, n, ssn)): void
//
(* ****** ****** *)
//
fun{}
cchannel1_create_exn
{n:nat}{ssn:type}{G:iset}
(
nrole: int(n), G: intset(n), fserv: channel1(G, n, ssn) -<lincloptr1> void
) : cchannel1(G, n, ssn) // end of [cchannel1_create_exn]
//
(* ****** ****** *)
(* end of [basis_ssntype.sats] *)

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(*
* The MIT License (MIT)
*
* Copyright (c) 2014 Hongwei Xi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.)
*)
// Source: https://github.com/githwxi/ATS-Postiats-contrib/blob/0f26aa0df8542d2ae21df9be1e13208f66f571d6/contrib/libats-/hwxi/teaching/mygrading/HATS/csv_parse.hats
(* ****** ****** *)
//
// Author: Hongwei Xi
// Authoremail: gmhwxiATgmailDOTcom
// Start time: the first of July, 2016
//
(* ****** ****** *)
//
#ifdef
MYGRADING_HATS
#then
#else
//
extern
fun
csv_parse_line
(
line: string
) : List0_vt(Strptr1)
//
#endif // #ifdef
//
(* ****** ****** *)
local
//
staload
UN = "prelude/SATS/unsafe.sats"
//
extern
fun{}
getpos(): int
//
extern
fun{}
is_end(): bool
//
extern
fun{}
char_at(): int
//
extern
fun{}
Strptr1_at(i0: int): Strptr1
//
extern
fun{}
rmove(): void
extern
fun{}
rmove_while(test: char -<cloref1> bool): void
//
in (* in-of-local *)
//
implement
{}(*tmp*)
rmove_while
(test) = let
//
val c0 = char_at()
//
in
//
if c0 >= 0 then
if test(int2char0(c0)) then (rmove(); rmove_while(test)) else ()
// end of [if]
//
end // end of [rmove_while]
(* ****** ****** *)
implement
csv_parse_line
(line) = let
//
val line = g1ofg0(line)
//
var i: int = 0
val p_i = addr@i
//
val n0 = sz2i(length(line))
//
macdef get_i() = $UN.ptr0_get<int>(p_i)
macdef inc_i() = $UN.ptr0_addby<int>(p_i, 1)
macdef set_i(i0) = $UN.ptr0_set<int>(p_i, ,(i0))
//
implement
getpos<>() = get_i()
//
implement
is_end<>() = get_i() >= n0
//
implement
char_at<>() = let
val i = get_i()
val i = ckastloc_gintGte(i, 0)
//
in
if i < n0 then char2u2int0(line[i]) else ~1
end // end of [char_at]
//
implement
Strptr1_at<>(i0) = let
//
val i1 = get_i()
val i0 = ckastloc_gintGte(i0, 0)
val i1 = ckastloc_gintBtwe(i1, i0, n0)
//
in
$UN.castvwtp0(
string_make_substring(line, i2sz(i0), i2sz(i1-i0))
) (* $UN.castvwtp0 *)
end // end of [Strptr1_at]
//
implement
rmove<>() =
if get_i() < n0 then inc_i()
//
vtypedef res_vt = List0_vt(Strptr1)
//
fun
loop
(
i: int, res: res_vt
) : res_vt =
if
is_end()
then res
else let
val () =
(
if i > 0 then rmove()
)
val i0 = getpos()
var f0 =
(
lam@(c: char) =<clo> c != ','
)
val () = rmove_while($UN.cast(addr@f0))
val s0 = Strptr1_at(i0)
in
loop(i+1, list_vt_cons(s0, res))
end // end of [else]
//
in
list_vt_reverse(loop(0(*i*), list_vt_nil((*void*))))
end // end of [csv_parse_line]
end // end of [local]
(* ****** ****** *)
(* end of [csv_parse.hats] *)

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samples/ATS/intinf_vt.dats Normal file
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(***********************************************************************)
(* *)
(* ATS/contrib/atshwxi *)
(* *)
(***********************************************************************)
(*
** Copyright (C) 2013 Hongwei Xi, ATS Trustful Software, Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and associated documentation files (the "Software"),
** to deal in the Software without restriction, including without limitation
** the rights to use, copy, modify, merge, publish, distribute, sublicense,
** and/or sell copies of the Software, and to permit persons to whom the
** Software is furnished to do so, subject to the following stated conditions:
**
** The above copyright notice and this permission notice shall be included in
** all copies or substantial portions of the Software.
**
** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
** OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
** FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
** THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
** LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
** FROM OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
** IN THE SOFTWARE.
*)
// Source: https://github.com/githwxi/ATS-Postiats-contrib/blob/04a984d9c08c1831f7dda8a05ce356db01f81850/contrib/libats-/hwxi/intinf/DATS/intinf_vt.dats
(* ****** ****** *)
//
// Author: Hongwei Xi
// Authoremail: hwxi AT gmail DOT com
// Start Time: April, 2013
//
(* ****** ****** *)
#include
"share/atspre_define.hats"
(* ****** ****** *)
staload
UN = "prelude/SATS/unsafe.sats"
(* ****** ****** *)
staload
GMP = "{$LIBGMP}/SATS/gmp.sats"
(* ****** ****** *)
vtypedef mpz = $GMP.mpz_vt0ype
(* ****** ****** *)
//
staload "./../SATS/intinf.sats"
staload "./../SATS/intinf_vt.sats"
//
(* ****** ****** *)
macdef i2u (x) = g1int2uint_int_uint (,(x))
(* ****** ****** *)
local
assume
intinf_vtype
(i: int) = // HX: [i] is a fake
[l:addr] (mpz @ l, mfree_gc_v (l) | ptr l)
// end of [intinf_vtype]
in (* in of [local] *)
implement{}
intinf_make_int
(i) = (x) where
{
//
val x = ptr_alloc<mpz> ()
val () = $GMP.mpz_init_set_int (!(x.2), i)
//
} (* end of [intinf_make_int] *)
implement{}
intinf_make_uint
(i) = (x) where
{
//
val x = ptr_alloc<mpz> ()
val () = $GMP.mpz_init_set_uint (!(x.2), i)
//
} (* end of [intinf_make_uint] *)
implement{}
intinf_make_lint
(i) = (x) where
{
//
val x = ptr_alloc<mpz> ()
val () = $GMP.mpz_init_set_lint (!(x.2), i)
//
} (* end of [intinf_make_lint] *)
implement{}
intinf_make_ulint
(i) = (x) where
{
//
val x = ptr_alloc<mpz> ()
val () = $GMP.mpz_init_set_ulint (!(x.2), i)
//
} (* end of [intinf_make_ulint] *)
(* ****** ****** *)
implement{}
intinf_free (x) = let
val (pfat, pfgc | p) = x
val () = $GMP.mpz_clear (!p) in ptr_free (pfgc, pfat | p)
end (* end of [intinf_free] *)
(* ****** ****** *)
implement{}
intinf_get_int (x) = $GMP.mpz_get_int (!(x.2))
implement{}
intinf_get_lint (x) = $GMP.mpz_get_lint (!(x.2))
(* ****** ****** *)
implement{}
intinf_get_strptr
(x, base) = $GMP.mpz_get_str_null (base, !(x.2))
// end of [intinf_get_strptr]
(* ****** ****** *)
implement{}
fprint_intinf_base
(out, x, base) = let
val nsz = $GMP.mpz_out_str (out, base, !(x.2))
in
//
if (nsz = 0) then
exit_errmsg (1, "libgmp/gmp: fprint_intinf_base")
// end of [if]
//
end (* fprint_intinf_base *)
(* ****** ****** *)
implement{
} neg_intinf0
(x) = (x) where
{
//
val () = $GMP.mpz_neg (!(x.2))
//
} (* end of [neg_intinf0] *)
implement{
} neg_intinf1
(x) = (y) where
{
//
val y = ptr_alloc<mpz> ()
val () = $GMP.mpz_init (!(y.2))
val () = $GMP.mpz_neg (!(y.2), !(x.2))
//
} (* end of [neg_intinf1] *)
(* ****** ****** *)
implement{
} abs_intinf0
(x) = (x) where
{
//
val () = $GMP.mpz_abs (!(x.2))
//
} (* end of [abs_intinf0] *)
implement{
} abs_intinf1
(x) = (y) where
{
//
val y = ptr_alloc<mpz> ()
val () = $GMP.mpz_init (!(y.2))
val () = $GMP.mpz_abs (!(y.2), !(x.2))
//
} (* end of [abs_intinf1] *)
(* ****** ****** *)
implement{}
succ_intinf0 (x) = add_intinf0_int (x, 1)
implement{}
succ_intinf1 (x) = add_intinf1_int (x, 1)
(* ****** ****** *)
implement{}
pred_intinf0 (x) = sub_intinf0_int (x, 1)
implement{}
pred_intinf1 (x) = sub_intinf1_int (x, 1)
(* ****** ****** *)
implement{}
add_intinf0_int
(x, y) = (x) where
{
//
val () = $GMP.mpz_add2_int (!(x.2), y)
//
} (* end of [add_intinf0_int] *)
implement{}
add_intinf1_int
(x, y) = (z) where
{
//
val z = ptr_alloc<mpz> ()
val () = $GMP.mpz_init (!(z.2))
val () = $GMP.mpz_add3_int (!(z.2), !(x.2), y)
//
} (* end of [add_intinf1_int] *)
(* ****** ****** *)
implement{}
add_int_intinf0 (x, y) = add_intinf0_int (y, x)
implement{}
add_int_intinf1 (x, y) = add_intinf1_int (y, x)
(* ****** ****** *)
implement{}
add_intinf0_intinf1
(x, y) = (x) where
{
//
val () = $GMP.mpz_add2_mpz (!(x.2), !(y.2))
//
} (* end of [add_intinf0_intinf1] *)
implement{}
add_intinf1_intinf0
(x, y) = (y) where
{
//
val () = $GMP.mpz_add2_mpz (!(y.2), !(x.2))
//
} (* end of [add_intinf1_intinf0] *)
(* ****** ****** *)
implement{}
add_intinf1_intinf1
(x, y) = (z) where
{
//
val z = ptr_alloc<mpz> ()
val () = $GMP.mpz_init (!(z.2))
val () = $GMP.mpz_add3_mpz (!(z.2), !(x.2), !(y.2))
//
} (* end of [add_intinf1_intinf1] *)
(* ****** ****** *)
implement{}
sub_intinf0_int
(x, y) = (x) where
{
//
val () = $GMP.mpz_sub2_int (!(x.2), y)
//
} (* end of [sub_intinf0_int] *)
implement{}
sub_intinf1_int
(x, y) = (z) where
{
//
val z = ptr_alloc<mpz> ()
val () = $GMP.mpz_init (!(z.2))
val () = $GMP.mpz_sub3_int (!(z.2), !(x.2), y)
//
} (* end of [sub_intinf1_int] *)
(* ****** ****** *)
implement{}
sub_int_intinf0 (x, y) = let
val z = sub_intinf0_int (y, x) in neg_intinf0 (z)
end (* end of [sub_int_intinf0] *)
implement{}
sub_int_intinf1 (x, y) = let
val z = sub_intinf1_int (y, x) in neg_intinf0 (z)
end (* end of [sub_int_intinf1] *)
(* ****** ****** *)
implement{}
sub_intinf0_intinf1
(x, y) = (x) where
{
//
val () = $GMP.mpz_sub2_mpz (!(x.2), !(y.2))
//
} (* end of [sub_intinf0_intinf1] *)
implement{}
sub_intinf1_intinf0
(x, y) = neg_intinf0 (sub_intinf0_intinf1 (y, x))
// end of [sub_intinf1_intinf0]
implement{}
sub_intinf1_intinf1
(x, y) = (z) where
{
//
val z = ptr_alloc<mpz> ()
val () = $GMP.mpz_init (!(z.2))
val () = $GMP.mpz_sub3_mpz (!(z.2), !(x.2), !(y.2))
//
} (* end of [sub_intinf1_intinf1] *)
(* ****** ****** *)
implement{}
mul_intinf0_int
(x, y) = (x) where
{
//
val () = $GMP.mpz_mul2_int (!(x.2), y)
//
} (* end of [mul_intinf0_int] *)
implement{}
mul_intinf1_int
(x, y) = (z) where
{
//
val z = ptr_alloc<mpz> ()
val () = $GMP.mpz_init (!(z.2))
val () = $GMP.mpz_mul3_int (!(z.2), !(x.2), y)
//
} (* end of [mul_intinf1_int] *)
(* ****** ****** *)
implement{}
mul_int_intinf0 (x, y) = mul_intinf0_int (y, x)
implement{}
mul_int_intinf1 (x, y) = mul_intinf1_int (y, x)
(* ****** ****** *)
implement{}
mul_intinf0_intinf1
(x, y) = (x) where
{
//
val () = $GMP.mpz_mul2_mpz (!(x.2), !(y.2))
//
} (* end of [mul_intinf0_intinf1] *)
implement{}
mul_intinf1_intinf0
(x, y) = (y) where
{
//
val () = $GMP.mpz_mul2_mpz (!(y.2), !(x.2))
//
} (* end of [mul_intinf0_intinf1] *)
(* ****** ****** *)
implement{}
mul_intinf1_intinf1
(x, y) = (z) where
{
//
val z = ptr_alloc<mpz> ()
val () = $GMP.mpz_init (!(z.2))
val () = $GMP.mpz_mul3_mpz (!(z.2), !(x.2), !(y.2))
//
} (* end of [mul_intinf1_intinf1] *)
(* ****** ****** *)
implement{}
div_intinf0_int
{i,j} (x, y) = let
in
//
if y >= 0 then let
val () = $GMP.mpz_tdiv2_q_uint (!(x.2), i2u(y)) in x
end else let
val () = $GMP.mpz_tdiv2_q_uint (!(x.2), i2u(~y)) in neg_intinf0 (x)
end // end of [if]
//
end (* end of [div_intinf0_int] *)
implement{}
div_intinf1_int
{i,j} (x, y) = let
//
val z = ptr_alloc<mpz> ()
val () = $GMP.mpz_init (!(z.2))
//
in
//
if y >= 0 then let
val () = $GMP.mpz_tdiv3_q_uint (!(z.2), !(x.2), i2u(y)) in z
end else let
val () = $GMP.mpz_tdiv3_q_uint (!(z.2), !(x.2), i2u(~y)) in neg_intinf0 (z)
end // end of [if]
//
end (* end of [div_intinf1_int] *)
(* ****** ****** *)
implement{}
div_intinf0_intinf1
(x, y) = (x) where
{
//
val () = $GMP.mpz_tdiv2_q_mpz (!(x.2), !(y.2))
//
} (* end of [div_intinf0_intinf1] *)
(* ****** ****** *)
implement{}
div_intinf1_intinf1
(x, y) = (z) where
{
//
val z = ptr_alloc<mpz> ()
val () = $GMP.mpz_init (!(z.2))
val () = $GMP.mpz_tdiv3_q_mpz (!(z.2), !(x.2), !(y.2))
//
} (* end of [div_intinf1_intinf1] *)
(* ****** ****** *)
implement{}
ndiv_intinf0_int (x, y) = div_intinf0_int (x, y)
implement{}
ndiv_intinf1_int (x, y) = div_intinf1_int (x, y)
(* ****** ****** *)
implement{}
nmod_intinf0_int
{i,j} (x, y) = let
//
val r =
$GMP.mpz_fdiv_uint (!(x.2), i2u(y))
val () = intinf_free (x)
//
in
$UN.cast{intBtw(0,j)}(r)
end (* end of [nmod_intinf0_int] *)
implement{}
nmod_intinf1_int
{i,j} (x, y) = let
//
val r = $GMP.mpz_fdiv_uint (!(x.2), i2u(y))
//
in
$UN.cast{intBtw(0,j)}(r)
end (* end of [nmod_intinf1_int] *)
(* ****** ****** *)
//
// comparison-functions
//
(* ****** ****** *)
implement{}
lt_intinf_int
{i,j} (x, y) = let
//
val sgn = $GMP.mpz_cmp_int (!(x.2), y)
val ans = (if sgn < 0 then true else false): bool
//
in
$UN.cast{bool(i < j)}(sgn)
end // end of [lt_intinf_int]
implement{}
lt_intinf_intinf
{i,j} (x, y) = let
//
val sgn = $GMP.mpz_cmp_mpz (!(x.2), !(y.2))
val ans = (if sgn < 0 then true else false): bool
//
in
$UN.cast{bool(i < j)}(sgn)
end // end of [lt_intinf_intinf]
(* ****** ****** *)
implement{}
lte_intinf_int
{i,j} (x, y) = let
//
val sgn = $GMP.mpz_cmp_int (!(x.2), y)
val ans = (if sgn <= 0 then true else false): bool
//
in
$UN.cast{bool(i <= j)}(sgn)
end // end of [lte_intinf_int]
implement{}
lte_intinf_intinf
{i,j} (x, y) = let
//
val sgn = $GMP.mpz_cmp_mpz (!(x.2), !(y.2))
val ans = (if sgn <= 0 then true else false): bool
//
in
$UN.cast{bool(i <= j)}(sgn)
end // end of [lte_intinf_intinf]
(* ****** ****** *)
implement{}
gt_intinf_int
{i,j} (x, y) = let
//
val sgn = $GMP.mpz_cmp_int (!(x.2), y)
val ans = (if sgn > 0 then true else false): bool
//
in
$UN.cast{bool(i > j)}(sgn)
end // end of [gt_intinf_int]
implement{}
gt_intinf_intinf
{i,j} (x, y) = let
//
val sgn = $GMP.mpz_cmp_mpz (!(x.2), !(y.2))
val ans = (if sgn > 0 then true else false): bool
//
in
$UN.cast{bool(i > j)}(sgn)
end // end of [gt_intinf_intinf]
(* ****** ****** *)
implement{}
gte_intinf_int
{i,j} (x, y) = let
//
val sgn = $GMP.mpz_cmp_int (!(x.2), y)
val ans = (if sgn >= 0 then true else false): bool
//
in
$UN.cast{bool(i >= j)}(sgn)
end // end of [gte_intinf_int]
implement{}
gte_intinf_intinf
{i,j} (x, y) = let
//
val sgn = $GMP.mpz_cmp_mpz (!(x.2), !(y.2))
val ans = (if sgn >= 0 then true else false): bool
//
in
$UN.cast{bool(i >= j)}(sgn)
end // end of [gte_intinf_intinf]
(* ****** ****** *)
implement{}
eq_intinf_int
{i,j} (x, y) = let
//
val sgn = $GMP.mpz_cmp_int (!(x.2), y)
val ans = (if sgn = 0 then true else false): bool
//
in
$UN.cast{bool(i == j)}(sgn)
end // end of [eq_intinf_int]
implement{}
eq_intinf_intinf
{i,j} (x, y) = let
//
val sgn = $GMP.mpz_cmp_mpz (!(x.2), !(y.2))
val ans = (if sgn = 0 then true else false): bool
//
in
$UN.cast{bool(i == j)}(sgn)
end // end of [eq_intinf_intinf]
(* ****** ****** *)
implement{}
neq_intinf_int
{i,j} (x, y) = let
//
val sgn = $GMP.mpz_cmp_int (!(x.2), y)
val ans = (if sgn != 0 then true else false): bool
//
in
$UN.cast{bool(i != j)}(sgn)
end // end of [neq_intinf_int]
implement{}
neq_intinf_intinf
{i,j} (x, y) = let
//
val sgn = $GMP.mpz_cmp_mpz (!(x.2), !(y.2))
val ans = (if sgn != 0 then true else false): bool
//
in
$UN.cast{bool(i != j)}(sgn)
end // end of [neq_intinf_intinf]
(* ****** ****** *)
implement{}
compare_intinf_int
{i,j} (x, y) = let
//
val sgn = $GMP.mpz_cmp_int (!(x.2), y)
val sgn = (if sgn < 0 then ~1 else (if sgn > 0 then 1 else 0)): int
//
in
$UN.cast{int(sgn(i-j))}(sgn)
end // end of [compare_intinf_int]
implement{}
compare_int_intinf
{i,j} (x, y) = let
//
val sgn = $GMP.mpz_cmp_int (!(y.2), x)
val sgn = (if sgn > 0 then ~1 else (if sgn < 0 then 1 else 0)): int
//
in
$UN.cast{int(sgn(i-j))}(sgn)
end // end of [compare_int_intinf]
implement{}
compare_intinf_intinf
{i,j} (x, y) = let
//
val sgn = $GMP.mpz_cmp_mpz (!(x.2), !(y.2))
val sgn = (if sgn < 0 then ~1 else (if sgn > 0 then 1 else 0)): int
//
in
$UN.cast{int(sgn(i-j))}(sgn)
end // end of [compare_intinf_intinf]
(* ****** ****** *)
implement{}
pow_intinf_int
(base, exp) = r where
{
//
val r = ptr_alloc<mpz> ()
val () = $GMP.mpz_init (!(r.2))
val () = $GMP.mpz_pow_uint (!(r.2), !(base.2), i2u(exp))
//
} (* end of [pow_intinf_int] *)
(* ****** ****** *)
end // end of [local]
(* ****** ****** *)
implement{}
print_intinf (x) = fprint_intinf (stdout_ref, x)
implement{}
prerr_intinf (x) = fprint_intinf (stderr_ref, x)
implement{}
fprint_intinf (out, x) = fprint_intinf_base (out, x, 10(*base*))
(* ****** ****** *)
(* end of [intinf_vt.dats] *)

View File

@@ -1,187 +0,0 @@
(***********************************************************************)
(* *)
(* Applied Type System *)
(* *)
(***********************************************************************)
(*
** ATS/Postiats - Unleashing the Potential of Types!
** Copyright (C) 2011-2013 Hongwei Xi, ATS Trustful Software, Inc.
** All rights reserved
**
** ATS is free software; you can redistribute it and/or modify it under
** the terms of the GNU GENERAL PUBLIC LICENSE (GPL) as published by the
** Free Software Foundation; either version 3, or (at your option) any
** later version.
**
** ATS is distributed in the hope that it will be useful, but WITHOUT ANY
** WARRANTY; without even the implied warranty of MERCHANTABILITY or
** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
** for more details.
**
** You should have received a copy of the GNU General Public License
** along with ATS; see the file COPYING. If not, please write to the
** Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
** 02110-1301, USA.
*)
(* ****** ****** *)
(* Author: Hongwei Xi *)
(* Authoremail: hwxi AT cs DOT bu DOT edu *)
(* Start time: December, 2012 *)
(* ****** ****** *)
//
// HX: shared by linset_listord (* ordered list *)
// HX: shared by linset_avltree (* AVL-tree-based *)
//
(* ****** ****** *)
//
// HX-2013-02:
// for sets of nonlinear elements
//
absvtype set_vtype (a:t@ype+) = ptr
//
(* ****** ****** *)
vtypedef set (a:t0p) = set_vtype (a)
(* ****** ****** *)
fun{a:t0p}
compare_elt_elt (x1: a, x2: a):<> int
(* ****** ****** *)
fun{} linset_nil{a:t0p} ():<> set(a)
fun{} linset_make_nil{a:t0p} ():<> set(a)
(* ****** ****** *)
fun{a:t0p} linset_sing (x: a):<!wrt> set(a)
fun{a:t0p} linset_make_sing (x: a):<!wrt> set(a)
(* ****** ****** *)
fun{a:t0p}
linset_make_list (xs: List(INV(a))):<!wrt> set(a)
(* ****** ****** *)
fun{}
linset_is_nil {a:t0p} (xs: !set(INV(a))):<> bool
fun{}
linset_isnot_nil {a:t0p} (xs: !set(INV(a))):<> bool
(* ****** ****** *)
fun{a:t0p} linset_size (!set(INV(a))): size_t
(* ****** ****** *)
fun{a:t0p}
linset_is_member (xs: !set(INV(a)), x0: a):<> bool
fun{a:t0p}
linset_isnot_member (xs: !set(INV(a)), x0: a):<> bool
(* ****** ****** *)
fun{a:t0p}
linset_copy (!set(INV(a))):<!wrt> set(a)
fun{a:t0p}
linset_free (xs: set(INV(a))):<!wrt> void
(* ****** ****** *)
//
fun{a:t0p}
linset_insert
(xs: &set(INV(a)) >> _, x0: a):<!wrt> bool
//
(* ****** ****** *)
//
fun{a:t0p}
linset_takeout
(
&set(INV(a)) >> _, a, res: &(a?) >> opt(a, b)
) :<!wrt> #[b:bool] bool(b) // endfun
fun{a:t0p}
linset_takeout_opt (&set(INV(a)) >> _, a):<!wrt> Option_vt(a)
//
(* ****** ****** *)
//
fun{a:t0p}
linset_remove
(xs: &set(INV(a)) >> _, x0: a):<!wrt> bool
//
(* ****** ****** *)
//
// HX: choosing an element in an unspecified manner
//
fun{a:t0p}
linset_choose
(
xs: !set(INV(a)), x: &a? >> opt (a, b)
) :<!wrt> #[b:bool] bool(b)
//
fun{a:t0p}
linset_choose_opt (xs: !set(INV(a))):<!wrt> Option_vt(a)
//
(* ****** ****** *)
fun{a:t0p}
linset_takeoutmax
(
xs: &set(INV(a)) >> _, res: &a? >> opt(a, b)
) :<!wrt> #[b:bool] bool (b)
fun{a:t0p}
linset_takeoutmax_opt (xs: &set(INV(a)) >> _):<!wrt> Option_vt(a)
(* ****** ****** *)
fun{a:t0p}
linset_takeoutmin
(
xs: &set(INV(a)) >> _, res: &a? >> opt(a, b)
) :<!wrt> #[b:bool] bool (b)
fun{a:t0p}
linset_takeoutmin_opt (xs: &set(INV(a)) >> _):<!wrt> Option_vt(a)
(* ****** ****** *)
//
fun{}
fprint_linset$sep (FILEref): void // ", "
//
fun{a:t0p}
fprint_linset (out: FILEref, xs: !set(INV(a))): void
//
overload fprint with fprint_linset
//
(* ****** ****** *)
//
fun{
a:t0p}{env:vt0p
} linset_foreach$fwork
(x: a, env: &(env) >> _): void
//
fun{a:t0p}
linset_foreach (set: !set(INV(a))): void
fun{
a:t0p}{env:vt0p
} linset_foreach_env
(set: !set(INV(a)), env: &(env) >> _): void
// end of [linset_foreach_env]
//
(* ****** ****** *)
fun{a:t0p}
linset_listize (xs: set(INV(a))): List0_vt (a)
(* ****** ****** *)
fun{a:t0p}
linset_listize1 (xs: !set(INV(a))): List0_vt (a)
(* ****** ****** *)
(* end of [linset.hats] *)

View File

@@ -1,504 +0,0 @@
(***********************************************************************)
(* *)
(* Applied Type System *)
(* *)
(***********************************************************************)
(*
** ATS/Postiats - Unleashing the Potential of Types!
** Copyright (C) 2011-2013 Hongwei Xi, ATS Trustful Software, Inc.
** All rights reserved
**
** ATS is free software; you can redistribute it and/or modify it under
** the terms of the GNU GENERAL PUBLIC LICENSE (GPL) as published by the
** Free Software Foundation; either version 3, or (at your option) any
** later version.
**
** ATS is distributed in the hope that it will be useful, but WITHOUT ANY
** WARRANTY; without even the implied warranty of MERCHANTABILITY or
** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
** for more details.
**
** You should have received a copy of the GNU General Public License
** along with ATS; see the file COPYING. If not, please write to the
** Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
** 02110-1301, USA.
*)
(* ****** ****** *)
(* Author: Hongwei Xi *)
(* Authoremail: hwxi AT cs DOT bu DOT edu *)
(* Start time: February, 2013 *)
(* ****** ****** *)
//
// HX-2013-08:
// a set is represented as a sorted list in descending order;
// note that descending order is chosen to faciliate set comparison
//
(* ****** ****** *)
staload
UN = "prelude/SATS/unsafe.sats"
(* ****** ****** *)
staload "libats/SATS/linset_listord.sats"
(* ****** ****** *)
#include "./SHARE/linset.hats" // code reuse
#include "./SHARE/linset_node.hats" // code reuse
(* ****** ****** *)
assume
set_vtype (elt:t@ype) = List0_vt (elt)
(* ****** ****** *)
implement{}
linset_nil () = list_vt_nil ()
implement{}
linset_make_nil () = list_vt_nil ()
(* ****** ****** *)
implement
{a}(*tmp*)
linset_sing
(x) = list_vt_cons{a}(x, list_vt_nil)
// end of [linset_sing]
implement{a}
linset_make_sing
(x) = list_vt_cons{a}(x, list_vt_nil)
// end of [linset_make_sing]
(* ****** ****** *)
implement{}
linset_is_nil (xs) = list_vt_is_nil (xs)
implement{}
linset_isnot_nil (xs) = list_vt_is_cons (xs)
(* ****** ****** *)
implement{a}
linset_size (xs) =
let val n = list_vt_length(xs) in i2sz(n) end
// end of [linset_size]
(* ****** ****** *)
implement{a}
linset_is_member
(xs, x0) = let
//
fun aux
{n:nat} .<n>.
(
xs: !list_vt (a, n)
) :<> bool = let
in
//
case+ xs of
| list_vt_cons (x, xs) => let
val sgn = compare_elt_elt<a> (x0, x) in
if sgn > 0 then false else (if sgn < 0 then aux (xs) else true)
end // end of [list_vt_cons]
| list_vt_nil ((*void*)) => false
//
end // end of [aux]
//
in
aux (xs)
end // end of [linset_is_member]
(* ****** ****** *)
implement{a}
linset_copy (xs) = list_vt_copy<a> (xs)
implement{a}
linset_free (xs) = list_vt_free<a> (xs)
(* ****** ****** *)
implement{a}
linset_insert
(xs, x0) = let
//
fun
mynode_cons
{n:nat} .<>.
(
nx: mynode1 (a), xs: list_vt (a, n)
) : list_vt (a, n+1) = let
//
val xs1 =
$UN.castvwtp0{List1_vt(a)}(nx)
val+@list_vt_cons (_, xs2) = xs1
prval () = $UN.cast2void (xs2); val () = (xs2 := xs)
//
in
fold@ (xs1); xs1
end // end of [mynode_cons]
//
fun ins
{n:nat} .<n>. // tail-recursive
(
xs: &list_vt (a, n) >> list_vt (a, n1)
) : #[n1:nat | n <= n1; n1 <= n+1] bool =
(
case+ xs of
| @list_vt_cons
(x, xs1) => let
val sgn =
compare_elt_elt<a> (x0, x)
// end of [val]
in
if sgn > 0 then let
prval () = fold@ (xs)
val nx = mynode_make_elt<a> (x0)
val ((*void*)) = xs := mynode_cons (nx, xs)
in
false
end else if sgn < 0 then let
val ans = ins (xs1)
prval () = fold@ (xs)
in
ans
end else let // [x0] is found
prval () = fold@ (xs)
in
true (* [x0] in [xs] *)
end (* end of [if] *)
end // end of [list_vt_cons]
| list_vt_nil () => let
val nx = mynode_make_elt<a> (x0)
val ((*void*)) = xs := mynode_cons (nx, xs)
in
false
end // end of [list_vt_nil]
) (* end of [ins] *)
//
in
$effmask_all (ins (xs))
end // end of [linset_insert]
(* ****** ****** *)
(*
//
HX-2013-08:
[linset_remove] moved up
//
implement{a}
linset_remove
(xs, x0) = let
//
fun rem
{n:nat} .<n>. // tail-recursive
(
xs: &list_vt (a, n) >> list_vt (a, n1)
) : #[n1:nat | n1 <= n; n <= n1+1] bool =
(
case+ xs of
| @list_vt_cons
(x, xs1) => let
val sgn =
compare_elt_elt<a> (x0, x)
// end of [val]
in
if sgn > 0 then let
prval () = fold@ (xs)
in
false
end else if sgn < 0 then let
val ans = rem (xs1)
prval () = fold@ (xs)
in
ans
end else let // x0 = x
val xs1_ = xs1
val ((*void*)) = free@{a}{0}(xs)
val () = xs := xs1_
in
true // [x0] in [xs]
end (* end of [if] *)
end // end of [list_vt_cons]
| list_vt_nil () => false
) (* end of [rem] *)
//
in
$effmask_all (rem (xs))
end // end of [linset_remove]
*)
(* ****** ****** *)
(*
** By Brandon Barker
*)
implement
{a}(*tmp*)
linset_choose
(xs, x0) = let
in
//
case+ xs of
| list_vt_cons
(x, xs1) => let
val () = x0 := x
prval () = opt_some{a}(x0)
in
true
end // end of [list_vt_cons]
| list_vt_nil () => let
prval () = opt_none{a}(x0)
in
false
end // end of [list_vt_nil]
//
end // end of [linset_choose]
(* ****** ****** *)
implement
{a}{env}
linset_foreach_env (xs, env) = let
//
implement
list_vt_foreach$fwork<a><env>
(x, env) = linset_foreach$fwork<a><env> (x, env)
//
in
list_vt_foreach_env<a><env> (xs, env)
end // end of [linset_foreach_env]
(* ****** ****** *)
implement{a}
linset_listize (xs) = xs
(* ****** ****** *)
implement{a}
linset_listize1 (xs) = list_vt_copy (xs)
(* ****** ****** *)
//
// HX: functions for processing mynodes
//
(* ****** ****** *)
implement{
} mynode_null{a} () =
$UN.castvwtp0{mynode(a,null)}(the_null_ptr)
// end of [mynode_null]
(* ****** ****** *)
implement
{a}(*tmp*)
mynode_make_elt
(x) = let
//
val nx = list_vt_cons{a}{0}(x, _ )
//
in
$UN.castvwtp0{mynode1(a)}(nx)
end // end of [mynode_make_elt]
(* ****** ****** *)
implement{
} mynode_free
{a}(nx) = () where {
val nx =
$UN.castvwtp0{List1_vt(a)}(nx)
//
val+~list_vt_cons (_, nx2) = nx
//
prval ((*void*)) = $UN.cast2void (nx2)
//
} (* end of [mynode_free] *)
(* ****** ****** *)
implement
{a}(*tmp*)
mynode_get_elt
(nx) = (x) where {
//
val nx1 =
$UN.castvwtp1{List1_vt(a)}(nx)
//
val+list_vt_cons (x, _) = nx1
//
prval ((*void*)) = $UN.cast2void (nx1)
//
} (* end of [mynode_get_elt] *)
(* ****** ****** *)
implement
{a}(*tmp*)
mynode_set_elt
{l} (nx, x0) =
{
//
val nx1 =
$UN.castvwtp1{List1_vt(a)}(nx)
//
val+@list_vt_cons (x, _) = nx1
//
val () = x := x0
//
prval () = fold@ (nx1)
prval () = $UN.cast2void (nx1)
//
prval () = __assert (nx) where
{
extern praxi __assert (nx: !mynode(a?, l) >> mynode (a, l)): void
} (* end of [prval] *)
//
} (* end of [mynode_set_elt] *)
(* ****** ****** *)
implement
{a}(*tmp*)
mynode_getfree_elt
(nx) = (x) where {
//
val nx =
$UN.castvwtp0{List1_vt(a)}(nx)
//
val+~list_vt_cons (x, nx2) = nx
//
prval ((*void*)) = $UN.cast2void (nx2)
//
} (* end of [mynode_getfree_elt] *)
(* ****** ****** *)
(*
fun{a:t0p}
linset_takeout_ngc
(set: &set(INV(a)) >> _, x0: a):<!wrt> mynode0 (a)
// end of [linset_takeout_ngc]
*)
implement
{a}(*tmp*)
linset_takeout_ngc
(set, x0) = let
//
fun takeout
(
xs: &List0_vt (a) >> _
) : mynode0(a) = let
in
//
case+ xs of
| @list_vt_cons
(x, xs1) => let
prval pf_x = view@x
prval pf_xs1 = view@xs1
val sgn =
compare_elt_elt<a> (x0, x)
// end of [val]
in
if sgn > 0 then let
prval () = fold@ (xs)
in
mynode_null{a}((*void*))
end else if sgn < 0 then let
val res = takeout (xs1)
prval ((*void*)) = fold@ (xs)
in
res
end else let // x0 = x
val xs1_ = xs1
val res = $UN.castvwtp0{mynode1(a)}((pf_x, pf_xs1 | xs))
val () = xs := xs1_
in
res // [x0] in [xs]
end (* end of [if] *)
end // end of [list_vt_cons]
| list_vt_nil () => mynode_null{a}((*void*))
//
end (* end of [takeout] *)
//
in
$effmask_all (takeout (set))
end // end of [linset_takeout_ngc]
(* ****** ****** *)
implement
{a}(*tmp*)
linset_takeoutmax_ngc
(xs) = let
in
//
case+ xs of
| @list_vt_cons
(x, xs1) => let
prval pf_x = view@x
prval pf_xs1 = view@xs1
val xs_ = xs
val () = xs := xs1
in
$UN.castvwtp0{mynode1(a)}((pf_x, pf_xs1 | xs_))
end // end of [list_vt_cons]
| @list_vt_nil () => let
prval () = fold@ (xs)
in
mynode_null{a}((*void*))
end // end of [list_vt_nil]
//
end // end of [linset_takeoutmax_ngc]
(* ****** ****** *)
implement
{a}(*tmp*)
linset_takeoutmin_ngc
(xs) = let
//
fun unsnoc
{n:pos} .<n>.
(
xs: &list_vt (a, n) >> list_vt (a, n-1)
) :<!wrt> mynode1 (a) = let
//
val+@list_vt_cons (x, xs1) = xs
//
prval pf_x = view@x and pf_xs1 = view@xs1
//
in
//
case+ xs1 of
| list_vt_cons _ =>
let val res = unsnoc(xs1) in fold@xs; res end
// end of [list_vt_cons]
| list_vt_nil () => let
val xs_ = xs
val () = xs := list_vt_nil{a}()
in
$UN.castvwtp0{mynode1(a)}((pf_x, pf_xs1 | xs_))
end // end of [list_vt_nil]
//
end // end of [unsnoc]
//
in
//
case+ xs of
| list_vt_cons _ => unsnoc (xs)
| list_vt_nil () => mynode_null{a}((*void*))
//
end // end of [linset_takeoutmin_ngc]
(* ****** ****** *)
(* end of [linset_listord.dats] *)

View File

@@ -1,51 +0,0 @@
(***********************************************************************)
(* *)
(* Applied Type System *)
(* *)
(***********************************************************************)
(*
** ATS/Postiats - Unleashing the Potential of Types!
** Copyright (C) 2011-2013 Hongwei Xi, ATS Trustful Software, Inc.
** All rights reserved
**
** ATS is free software; you can redistribute it and/or modify it under
** the terms of the GNU GENERAL PUBLIC LICENSE (GPL) as published by the
** Free Software Foundation; either version 3, or (at your option) any
** later version.
**
** ATS is distributed in the hope that it will be useful, but WITHOUT ANY
** WARRANTY; without even the implied warranty of MERCHANTABILITY or
** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
** for more details.
**
** You should have received a copy of the GNU General Public License
** along with ATS; see the file COPYING. If not, please write to the
** Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
** 02110-1301, USA.
*)
(* ****** ****** *)
//
// Author: Hongwei Xi
// Authoremail: hwxiATcsDOTbuDOTedu
// Time: October, 2010
//
(* ****** ****** *)
#define ATS_PACKNAME "ATSLIB.libats.linset_listord"
#define ATS_STALOADFLAG 0 // no static loading at run-time
(* ****** ****** *)
#include "./SHARE/linset.hats"
#include "./SHARE/linset_node.hats"
(* ****** ****** *)
castfn
linset2list {a:t0p} (xs: set (INV(a))):<> List0_vt (a)
(* ****** ****** *)
(* end of [linset_listord.sats] *)