feat: expose msat.sat as a proper library, with module Int_lit

src/main/main.ml

@@ -59,7 +59,7 @@ module Process = struct
         Format.printf "Unsat (%f/%f)@." t t'
     end
 
-  let conv_c c = List.rev_map S.Expr.make c
+  let conv_c c = List.rev_map S.Int_lit.make c
 
   let add_clauses cs =
     S.assume st @@ CCList.map conv_c cs

src/sat/Int_lit.mli

@@ -1,5 +1,5 @@
 
-(** The module defining formulas *)
+(** {1 The module defining formulas} *)
 
 (** SAT Formulas
 

src/sat/Msat_sat.ml

@@ -3,6 +3,6 @@ MSAT is free software, using the Apache license, see file LICENSE
 Copyright 2016 Guillaume Bury
 *)
 
-module Expr = Expr_sat
-include Msat.Make_pure_sat(Expr)
+module Int_lit = Int_lit
+include Msat.Make_pure_sat(Int_lit)
 

src/sat/Msat_sat.mli

@@ -9,8 +9,8 @@ Copyright 2016 Guillaume Bury
     atomic propositions.
 *)
 
-module Expr = Expr_sat
+module Int_lit = Int_lit
 
-include Msat.S with type Formula.t = Expr.t and type theory = unit
+include Msat.S with type Formula.t = Int_lit.t and type theory = unit
 (** A functor that can generate as many solvers as needed. *)
 

src/sat/dune

@@ -1,7 +1,8 @@
 
 (library
   (name msat_sat)
-  ; private
+  (public_name msat.sat)
+  (synopsis "purely boolean interface to Msat")
   (libraries msat)
   (flags :standard -w +a-4-42-44-48-50-58-32-60@8 -color always -safe-string -open Msat)
   (ocamlopt_flags :standard -O3 -color always

tests/icnf-solve/icnf_solve.ml

@@ -58,7 +58,7 @@ end = struct
 end
 
 module Solver = struct
-  module F = Msat_sat.Expr
+  module F = Msat_sat.Int_lit
   module S = Msat_sat
   type t = S.t
 
@@ -85,6 +85,7 @@ let solve_with_solver ~debug file : unit =
     | Parse.Add_clause c ->
       if debug then (
         Printf.printf "add_clause %a\n%!" pp_arr c;
+        Msat.Log.set_debug 5;
       );
       let r = Solver.add_clause s c in
       if r then process_problem()

tests/test_api.ml

@@ -6,7 +6,7 @@ Copyright 2014 Simon Cruanes
 
 (* Tests that require the API *)
 
-module F = Msat_sat.Expr
+module F = Msat_sat.Int_lit
 module S = Msat_sat
 
 let (|>) x f = f x