ats programming tutorial

ATS Programming TutorialATS Programming TutorialATS Programming TutorialATS Programming TutorialATS Programming Tutorial

Kiwamu Okabe @ RIKEN AICSKiwamu Okabe @ RIKEN AICSKiwamu Okabe @ RIKEN AICSKiwamu Okabe @ RIKEN AICSKiwamu Okabe @ RIKEN AICS

Are you ready?Are you ready?Are you ready?Are you ready?Are you ready?

Have you installed ATS2 compiler? If not, please install the ATS2 into your PC on following manual:





☆ In English: http://bit.ly/instats☆ In English: http://bit.ly/instats☆ In English: http://bit.ly/instats☆ In English: http://bit.ly/instats☆ In English: http://bit.ly/instats

☆ In Japanese: http://bit.ly/instatsj☆ In Japanese: http://bit.ly/instatsj☆ In Japanese: http://bit.ly/instatsj☆ In Japanese: http://bit.ly/instatsj☆ In Japanese: http://bit.ly/instatsj

Also, you can get a code of this slide at following:Also, you can get a code of this slide at following:Also, you can get a code of this slide at following:Also, you can get a code of this slide at following:Also, you can get a code of this slide at following:

☆ http://bit.ly/ats20150306☆ http://bit.ly/ats20150306☆ http://bit.ly/ats20150306☆ http://bit.ly/ats20150306☆ http://bit.ly/ats20150306

Install ATS2 into Debian #1Install ATS2 into Debian #1Install ATS2 into Debian #1Install ATS2 into Debian #1Install ATS2 into Debian #1

☆ Get source code of ATS2 compiler☆ Get source code of ATS2 compiler☆ Get source code of ATS2 compiler☆ Get source code of ATS2 compiler☆ Get source code of ATS2 compiler$ wget http://downloads.sourceforge.net/project/ats2-lang/ats2-lang/ats2-postiats-0.1.9/ATS2-Postiats-0.1.9.tgz$ wget http://downloads.sourceforge.net/project/ats2-lang-contrib/ats2-lang-contrib/ATS2-Postiats-contrib-0.1.6.tgz

$ wget http://downloads.sourceforge.net/project/ats2-lang/ats2-lang/ats2-postiats-0.1.9/ATS2-Postiats-0.1.9.tgz$ wget http://downloads.sourceforge.net/project/ats2-lang-contrib/ats2-lang-contrib/ATS2-Postiats-contrib-0.1.6.tgz




☆ Install packages needed by the ATS2☆ Install packages needed by the ATS2☆ Install packages needed by the ATS2☆ Install packages needed by the ATS2☆ Install packages needed by the ATS2$ sudo apt-get install gcc libgc-dev libgmp-dev make$ sudo apt-get install gcc libgc-dev libgmp-dev make$ sudo apt-get install gcc libgc-dev libgmp-dev make$ sudo apt-get install gcc libgc-dev libgmp-dev make$ sudo apt-get install gcc libgc-dev libgmp-dev make

Install ATS2 into Debian #2Install ATS2 into Debian #2Install ATS2 into Debian #2Install ATS2 into Debian #2Install ATS2 into Debian #2

☆ Compile the ATS2 compiler☆ Compile the ATS2 compiler☆ Compile the ATS2 compiler☆ Compile the ATS2 compiler☆ Compile the ATS2 compiler$ tar xf ATS2-Postiats-0.1.9.tgz$ export PATSHOME=`pwd`/ATS2-Postiats-0.1.9$ export PATH=${PATSHOME}/bin:${PATH}$ tar xf ATS2-Postiats-contrib-0.1.6.tgz$ export PATSHOMERELOC=`pwd`/ATS2-Postiats-contrib-0.1.6$ cd ${PATSHOME}$ ./configure$ make

$ tar xf ATS2-Postiats-0.1.9.tgz$ export PATSHOME=`pwd`/ATS2-Postiats-0.1.9$ export PATH=${PATSHOME}/bin:${PATH}$ tar xf ATS2-Postiats-contrib-0.1.6.tgz$ export PATSHOMERELOC=`pwd`/ATS2-Postiats-contrib-0.1.6$ cd ${PATSHOME}$ ./configure$ make




☆ Ready to compile ATS code!☆ Ready to compile ATS code!☆ Ready to compile ATS code!☆ Ready to compile ATS code!☆ Ready to compile ATS code!$ patsopt --versionATS/Postiats version 0.1.9 with Copyright (c) 2011-2015 Hongwei Xi$ patsopt --versionATS/Postiats version 0.1.9 with Copyright (c) 2011-2015 Hongwei Xi$ patsopt --versionATS/Postiats version 0.1.9 with Copyright (c) 2011-2015 Hongwei Xi$ patsopt --versionATS/Postiats version 0.1.9 with Copyright (c) 2011-2015 Hongwei Xi$ patsopt --versionATS/Postiats version 0.1.9 with Copyright (c) 2011-2015 Hongwei Xi

What is ATS?What is ATS?What is ATS?What is ATS?What is ATS?

http://www.ats-lang.org/http://www.ats-lang.org/http://www.ats-lang.org/http://www.ats-lang.org/http://www.ats-lang.org/

☆ Syntax like ML☆ Syntax like ML☆ Syntax like ML☆ Syntax like ML☆ Syntax like ML

☆ Dependent types☆ Dependent types☆ Dependent types☆ Dependent types☆ Dependent types

☆ Linear types☆ Linear types☆ Linear types☆ Linear types☆ Linear types

☆ Optional GC☆ Optional GC☆ Optional GC☆ Optional GC☆ Optional GC

☆ Without any runtime☆ Without any runtime☆ Without any runtime☆ Without any runtime☆ Without any runtime

☆ Successor of Dependent ML☆ Successor of Dependent ML☆ Successor of Dependent ML☆ Successor of Dependent ML☆ Successor of Dependent ML

What can ATS do?What can ATS do?What can ATS do?What can ATS do?What can ATS do?

☆ Proof code using dependent types☆ Proof code using dependent types☆ Proof code using dependent types☆ Proof code using dependent types☆ Proof code using dependent types

☆ Safely use malloc using linear types☆ Safely use malloc using linear types☆ Safely use malloc using linear types☆ Safely use malloc using linear types☆ Safely use malloc using linear types

☆ Safely use pointer using linear types☆ Safely use pointer using linear types☆ Safely use pointer using linear types☆ Safely use pointer using linear types☆ Safely use pointer using linear types

☆ Use strong type without any OS☆ Use strong type without any OS☆ Use strong type without any OS☆ Use strong type without any OS☆ Use strong type without any OS

☆ Write code on bare metal hardware☆ Write code on bare metal hardware☆ Write code on bare metal hardware☆ Write code on bare metal hardware☆ Write code on bare metal hardware

☆ Write code in Linux kernel☆ Write code in Linux kernel☆ Write code in Linux kernel☆ Write code in Linux kernel☆ Write code in Linux kernel

The goal of todayThe goal of todayThe goal of todayThe goal of todayThe goal of today

Already, ATS has some good documents.Already, ATS has some good documents.Already, ATS has some good documents.Already, ATS has some good documents.Already, ATS has some good documents.* Introduction to Programming in ATS http://ats-lang.sourceforge.net/DOCUMENT/INT2PROGINATS/HTML/* A Tutorial on Programming Features in ATS http://ats-lang.sourceforge.net/DOCUMENT/ATS2TUTORIAL/HTML/* Effective ATS http://ats-lang.sourceforge.net/EXAMPLE/EFFECTIVATS/* Wiki for ATS2 https://github.com/githwxi/ATS-Postiats/wiki

* Introduction to Programming in ATS http://ats-lang.sourceforge.net/DOCUMENT/INT2PROGINATS/HTML/* A Tutorial on Programming Features in ATS http://ats-lang.sourceforge.net/DOCUMENT/ATS2TUTORIAL/HTML/* Effective ATS http://ats-lang.sourceforge.net/EXAMPLE/EFFECTIVATS/* Wiki for ATS2 https://github.com/githwxi/ATS-Postiats/wiki




However, they are sometimes hard for beginner. The goal of today is to learn to read "Introduction to Programming in ATS" by yourself.





Hello WorldHello WorldHello WorldHello WorldHello World$ vi helloworld.datsval () = println! "Hello, world!"

implement main0 () = ()$ patscc helloworld.dats$ ./a.outHello, world!

$ vi helloworld.datsval () = println! "Hello, world!"








You can call println! directly.You can call println! directly.You can call println! directly.You can call println! directly.You can call println! directly.$ vi helloworld2.datsimplement main0 () = () where { val () = println! "Hello, world!"}

$ vi helloworld2.datsimplement main0 () = () where { val () = println! "Hello, world!"}




Or more simply...Or more simply...Or more simply...Or more simply...Or more simply...$ vi helloworld3.datsimplement main0 () = println! "Hello, world!"$ vi helloworld3.datsimplement main0 () = println! "Hello, world!"$ vi helloworld3.datsimplement main0 () = println! "Hello, world!"$ vi helloworld3.datsimplement main0 () = println! "Hello, world!"$ vi helloworld3.datsimplement main0 () = println! "Hello, world!"

IntegerIntegerIntegerIntegerInteger

The "share/atspre_staload.hats" is needed by overloaded operators.The "share/atspre_staload.hats" is needed by overloaded operators.The "share/atspre_staload.hats" is needed by overloaded operators.The "share/atspre_staload.hats" is needed by overloaded operators.The "share/atspre_staload.hats" is needed by overloaded operators.$ vi int_op.dats#include "share/atspre_staload.hats"

val () = println! (3 + 4 * 2)val () = println! ((3 + 4) * 2)val () = println! (2 - 3)val () = println! (7 / 2)val () = println! (7 % 2)

implement main0 () = ()$ patscc int_op.dats$ ./a.out1114-131

$ vi int_op.dats#include "share/atspre_staload.hats"












Zero DivisionZero DivisionZero DivisionZero DivisionZero Division

But, zero-division causes compile error!But, zero-division causes compile error!But, zero-division causes compile error!But, zero-division causes compile error!But, zero-division causes compile error!$ vi divmod.dats#include "share/atspre_staload.hats"

val () = println! (7 / (2 - 2))

implement main0 () = ()$ patscc divmod.dats/home/kiwamu/tmp/tmp/divmod.dats: 60(line=3, offs=22) -- 61(line=3, offs=23): error(3): unsolved constraint: C3NSTRprop(main; S2Eapp(S2Ecst(!=); S2EVar(4177->S2Eapp(S2Ecst(sub_int_int); S2EVa(4173->S2Eintinf(2)), S2EVar(4174->S2Eintinf(2)))), S2Eintinf(0typechecking has failed: there are some unsolved constraints: please inspect the above reported error message(s) for information.exit(ATS): uncaught exception: _2home_2kiwamu_2src_2ATS_2dPostiats_2src_2pats_error_2esats__FatalErrorExn(1025)

$ vi divmod.dats#include "share/atspre_staload.hats"

val () = println! (7 / (2 - 2))



val () = println! (7 / (2 - 2))



val () = println! (7 / (2 - 2))



val () = println! (7 / (2 - 2))


The error message is hard to be read ...The error message is hard to be read ...The error message is hard to be read ...The error message is hard to be read ...The error message is hard to be read ...

Understanding internal typesUnderstanding internal typesUnderstanding internal typesUnderstanding internal typesUnderstanding internal types

Let's decode the error message that is represented on following internal types:Let's decode the error message that is represented on following internal types:Let's decode the error message that is represented on following internal types:Let's decode the error message that is represented on following internal types:Let's decode the error message that is represented on following internal types:https://github.com/githwxi/ATS-Postiats/wiki/Internal-types

* S2Eapp - an application term.* S2Ecst - a type constant (for instance, int, bool, list, etc.)* S2Eeff - function effects.* S2Eexi - an existentially quantified type.* S2Eint - machine precision integer.* S2Eintinf - infinite precision integer; commonly used for integer sorts in most compiled versions of atsopt (patsopt).* S2Evar - a (typically universally quantified) variable.* S2Etop (0; T) means T?* S2Etop (1; T) means T?!* S2EVar - an (existentially quantified) unification variable introduced by the typechecker.

https://github.com/githwxi/ATS-Postiats/wiki/Internal-types








The zero division error means...The zero division error means...The zero division error means...The zero division error means...The zero division error means...unsolved constraint: C3NSTRprop(main; S2Eapp(S2Ecst(!=); S2EVar(4177->S2Eapp(S2Ecst(sub_int_int); S2EVar(4173->S2Eintinf(2)), S2EVar(4174->S2Eintinf(2)))), S2Eintinf(0))) ↓ meaningThe proposition "2 - 2 != 0" is not solved.

unsolved constraint: C3NSTRprop(main; S2Eapp(S2Ecst(!=); S2EVar(4177->S2Eapp(S2Ecst(sub_int_int); S2EVar(4173->S2Eintinf(2)), S2EVar(4174->S2Eintinf(2)))), S2Eintinf(0))) ↓ meaningThe proposition "2 - 2 != 0" is not solved.




It's powered by dependent types that are used at ATS language's prelude.It's powered by dependent types that are used at ATS language's prelude.It's powered by dependent types that are used at ATS language's prelude.It's powered by dependent types that are used at ATS language's prelude.It's powered by dependent types that are used at ATS language's prelude.$ vi ATS-Postiats/prelude/SATS/integer.satstypedefg1int_div_type (tk:tk) = {i,j:int | j != 0} (g1int (tk, i), g1int (tk, j)) -<fun0> g1int (tk)--snip--fun g1int_div_int : g1int_div_type (intknd) = "mac#%"fun g1int_div_lint : g1int_div_type (lintknd) = "mac#%"fun g1int_div_llint : g1int_div_type (llintknd) = "mac#%"fun g1int_div_ssize : g1int_div_type (ssizeknd) = "mac#%"

$ vi ATS-Postiats/prelude/SATS/integer.satstypedefg1int_div_type (tk:tk) = {i,j:int | j != 0} (g1int (tk, i), g1int (tk, j)) -<fun0> g1int (tk)--snip--fun g1int_div_int : g1int_div_type (intknd) = "mac#%"fun g1int_div_lint : g1int_div_type (lintknd) = "mac#%"fun g1int_div_llint : g1int_div_type (llintknd) = "mac#%"fun g1int_div_ssize : g1int_div_type (ssizeknd) = "mac#%"




Real NumberReal NumberReal NumberReal NumberReal Number$ vi double_op.dats#include "share/atspre_staload.hats"

val () = println! ((3.0 + 5.0) * 8.0 / 3.0)

implement main0 () = ()$ patscc double_op.dats$ ./a.out21.333333

$ vi double_op.dats#include "share/atspre_staload.hats"

val () = println! ((3.0 + 5.0) * 8.0 / 3.0)



val () = println! ((3.0 + 5.0) * 8.0 / 3.0)



val () = println! ((3.0 + 5.0) * 8.0 / 3.0)



val () = println! ((3.0 + 5.0) * 8.0 / 3.0)


The operators are overloaded.The operators are overloaded.The operators are overloaded.The operators are overloaded.The operators are overloaded.$ vi double_int_op.dats#include "share/atspre_staload.hats"

val () = println! ((3 + 5.0) * 8 / 3.0)

implement main0 () = ()$ patscc double_int_op.dats$ ./a.out21.333333

$ vi double_int_op.dats#include "share/atspre_staload.hats"

val () = println! ((3 + 5.0) * 8 / 3.0)



val () = println! ((3 + 5.0) * 8 / 3.0)



val () = println! ((3 + 5.0) * 8 / 3.0)



val () = println! ((3 + 5.0) * 8 / 3.0)


Boolean valueBoolean valueBoolean valueBoolean valueBoolean value$ vi bool_op.dats#include "share/atspre_staload.hats"

val () = println! (true && false)val () = println! (not (false || not false && not false))val () = println! (2 < 3)val () = println! (2 < 3 && 2.0 >= 3.0)val () = println! (2 < 3 || 2.0 = 3.0)val () = println! (not (3 < 2))

implement main0 () = ()$ patscc bool_op.dats$ ./a.outfalsefalsetruefalsetruetrue

$ vi bool_op.dats#include "share/atspre_staload.hats"












Constant definitionConstant definitionConstant definitionConstant definitionConstant definition$ vi val_overwrite.dats#include "share/atspre_staload.hats"

implement main0 () = { val a = 1 val b = a val () = println! a val () = println! b val a = 2 val () = println! a val () = println! b}$ patscc val_overwrite.dats$ ./a.out1121

$ vi val_overwrite.dats#include "share/atspre_staload.hats"








Function definitionFunction definitionFunction definitionFunction definitionFunction definition$ vi two_arguments.dats#include "share/atspre_staload.hats"

fun g (x:int, y:int): int = x * x + y * y - 4

implement main0 () = println! (g (3, 2))$ patscc two_arguments.dats$ ./a.out9

$ vi two_arguments.dats#include "share/atspre_staload.hats"












TypecheckingTypecheckingTypecheckingTypecheckingTypechecking$ vi f_takes_double.dats#include "share/atspre_staload.hats"

fun f (x:int): int = 3 * x

implement main0 () = { val r = f 4.0 val () = println! r}$ patscc f_takes_double.dats/home/kiwamu/tmp/tmp/f_takes_double.dats: 103(line=6, offs=14) -- 106(line=6, offs=17): error(3): the dynamic expression cannot be assigned the type [S2Eapp(S2Ecst(g0int_t0ype); S2Ecst(int_kind))]./home/kiwamu/tmp/tmp/f_takes_double.dats: 103(line=6, offs=14) -- 106(line=6, offs=17): error(3): mismatch of static terms (tyleq):The actual term is: S2Eapp(S2Ecst(g0float_t0ype); S2Ecst(double_kind))The needed term is: S2Eapp(S2Ecst(g0int_t0ype); S2Ecst(int_kind))

$ vi f_takes_double.dats#include "share/atspre_staload.hats"












Function "f" should take value of int.Function "f" should take value of int.Function "f" should take value of int.Function "f" should take value of int.Function "f" should take value of int.

Conditional branchConditional branchConditional branchConditional branchConditional branch$ vi if_then_else.dats#include "share/atspre_staload.hats"

implement main0 () = { val a = if 1 < 2 then 3 else 4 val () = println! (a:int)}$ patscc if_then_else.dats$ ./a.out3

$ vi if_then_else.dats#include "share/atspre_staload.hats"








Able to drop else clauseAble to drop else clauseAble to drop else clauseAble to drop else clauseAble to drop else clause$ vi println_expr.dats#include "share/atspre_staload.hats"

implement main0 () = if 7 > 5 then println! "It's true."$ patscc println_expr.dats$ ./a.outIt's true.

$ vi println_expr.dats#include "share/atspre_staload.hats"








Showing typesShowing typesShowing typesShowing typesShowing types$ vi showtype_int.datsval () = println! 3val _ = $showtype 3

implement main0 () = ()$ patscc showtype_int.dats**SHOWTYPE[UP]**(/home/kiwamu/tmp/tmp/showtype_int.dats: 39(line=2, offs=19) -- 40(line=2, offs=20)): S2Eapp(S2Ecst(g1int_int_t0ype); S2Ecst(int_kind), S2Eintinf(3)): S2RTbas(S2RTBASimp(1; t@ype))$ ./a.out3

$ vi showtype_int.datsval () = println! 3val _ = $showtype 3








"Wiki for ATS2" explains "$showtype"."Wiki for ATS2" explains "$showtype"."Wiki for ATS2" explains "$showtype"."Wiki for ATS2" explains "$showtype"."Wiki for ATS2" explains "$showtype"."$showtype" prints out the type of a value or variable in ATS's internal type representation. Very helpful for understanding type errors, but the exact meaning of the output can still be cryptic for more complicated cases.

"$showtype" prints out the type of a value or variable in ATS's internal type representation. Very helpful for understanding type errors, but the exact meaning of the output can still be cryptic for more complicated cases.




Immutable stringImmutable stringImmutable stringImmutable stringImmutable string$ vi print_foo.dats#include "share/atspre_staload.hats"

val () = println! "foo"

implement main0 () = ()$ patscc print_foo.dats$ ./a.outfoo

$ vi print_foo.dats#include "share/atspre_staload.hats"












However, immutable string can't do such like following:However, immutable string can't do such like following:However, immutable string can't do such like following:However, immutable string can't do such like following:However, immutable string can't do such like following:

☆ append☆ append☆ append☆ append☆ append

☆ reverse☆ reverse☆ reverse☆ reverse☆ reverse

Try to use mutable stringTry to use mutable stringTry to use mutable stringTry to use mutable stringTry to use mutable string$ vi try_string_append.dats#include "share/atspre_staload.hats"

implement main0 () = { val s3 = string_append ("Yokohama", "Station") val () = println! s3}$ patscc try_string_append.dats/home/kiwamu/tmp/try_string_append.dats: 60(line=3, offs=22) -- 135(line=6, offs=2): error(3): the linear dynamic variable [s3$3509(-1)] needs to be consumed but it is preserved with the type [S2Eapp(S2Ecst(strptr_addr_vtype); S2EVar(4175))] instead.patsopt(TRANS3): there are [1] errors in total.exit(ATS): uncaught exception: _2home_2kiwamu_2src_2ATS_2dPostiats_2src_2pats_error_2esats__FatalErrorExn(1025)

$ vi try_string_append.dats#include "share/atspre_staload.hats"








Why does error occur?Why does error occur?Why does error occur?Why does error occur?Why does error occur?

Need to free mutable stringNeed to free mutable stringNeed to free mutable stringNeed to free mutable stringNeed to free mutable string$ vi string_append.dats#include "share/atspre_staload.hats"

implement main0 () = { val s3 = string_append ("Yokohama", "Station") val () = println! s3 val () = free s3}$ patscc string_append.dats -DATS_MEMALLOC_LIBC$ ./a.outYokohamaStation

$ vi string_append.dats#include "share/atspre_staload.hats"








The "ATS_MEMALLOC_LIBC" flag is needed to use malloc on libc.The "ATS_MEMALLOC_LIBC" flag is needed to use malloc on libc.The "ATS_MEMALLOC_LIBC" flag is needed to use malloc on libc.The "ATS_MEMALLOC_LIBC" flag is needed to use malloc on libc.The "ATS_MEMALLOC_LIBC" flag is needed to use malloc on libc.

How can ATS2 know failure of free?How can ATS2 know failure of free?How can ATS2 know failure of free?How can ATS2 know failure of free?How can ATS2 know failure of free?

Linear type watches resourceLinear type watches resourceLinear type watches resourceLinear type watches resourceLinear type watches resource

Type of ListType of ListType of ListType of ListType of List

Create listCreate listCreate listCreate listCreate list$ vi make_pair.dats#include "share/atspre_staload.hats"

implement main0 () = { val l = list_vt_make_pair (1, 2) val () = print_list_vt<int> l val () = list_vt_free<int> l}$ patscc make_pair.dats -DATS_MEMALLOC_LIBC$ ./a.out1, 2

$ vi make_pair.dats#include "share/atspre_staload.hats"








The "<int>" is needed to use template function.The "<int>" is needed to use template function.The "<int>" is needed to use template function.The "<int>" is needed to use template function.The "<int>" is needed to use template function.

Create list as figureCreate list as figureCreate list as figureCreate list as figureCreate list as figure

Append listAppend listAppend listAppend listAppend list$ vi append_list.dats#include "share/atspre_staload.hats"

implement main0 () = { val l1 = list_vt_make_pair (1, 2) val l2 = list_vt_make_sing 3 val l3 = list_vt_append (l2, l1) val () = print_list_vt<int> l3 val () = list_vt_free<int> l3}$ patscc append_list.dats -DATS_MEMALLOC_LIBC$ ./a.out3, 1, 2

$ vi append_list.dats#include "share/atspre_staload.hats"








Append list as figureAppend list as figureAppend list as figureAppend list as figureAppend list as figure

Join "Japan ATS User Group" !Join "Japan ATS User Group" !Join "Japan ATS User Group" !Join "Japan ATS User Group" !Join "Japan ATS User Group" !

http://jats-ug.metasepi.org/http://jats-ug.metasepi.org/http://jats-ug.metasepi.org/http://jats-ug.metasepi.org/http://jats-ug.metasepi.org/

We translate following ATS documents into Japanese.We translate following ATS documents into Japanese.We translate following ATS documents into Japanese.We translate following ATS documents into Japanese.We translate following ATS documents into Japanese.* ATSプログラミング入門 http://jats-ug.metasepi.org/doc/ATS2/INT2PROGINATS/* ATSプログラミングチュートリアル http://jats-ug.metasepi.org/doc/ATS2/ATS2TUTORIAL/* Effective ATS https://github.com/jats-ug/translate/blob/master/Manual/EffectiveATS.md

* ATSプログラミング入門 http://jats-ug.metasepi.org/doc/ATS2/INT2PROGINATS/* ATSプログラミングチュートリアル http://jats-ug.metasepi.org/doc/ATS2/ATS2TUTORIAL/* Effective ATS https://github.com/jats-ug/translate/blob/master/Manual/EffectiveATS.md




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ats programming tutorial

Technology

lyats20150306 http

lyats20150306install

langats2post wget http

source code of ats2

following manual

riken aicskiwamu okabe

gcc libgcdev libgmpdev

riken aicsare