void test2() { VC vc = vc_createValidityChecker(NULL); // Check x = y -> g(x,y) = g(y,x) Type r = vc_realType(vc); Expr x = vc_varExpr(vc, "x", r); Expr y = vc_varExpr(vc, "y", r); Type realxreal2real = vc_funType2(vc, r, r, r); Op g = vc_createOp(vc, "g", realxreal2real); Expr gxy = vc_funExpr2(vc, g, x, y); Expr gyx = vc_funExpr2(vc, g, y, x); Expr xeqy = vc_eqExpr(vc, x, y); Expr gxyeqgyx = vc_eqExpr(vc, gxy, gyx); Expr e = vc_impliesExpr(vc, xeqy, gxyeqgyx); Type v[2]; Op h; Expr hxy, hyx, hxyeqhyx; int res; res = check(vc, e); FatalAssert(res == 1, "Expected Valid"); vc_deleteType(realxreal2real); vc_deleteOp(g); vc_deleteExpr(gxy); vc_deleteExpr(gyx); vc_deleteExpr(gxyeqgyx); vc_deleteExpr(e); v[0] = r; v[1] = r; realxreal2real = vc_funTypeN(vc, v, r, 2); h = vc_createOp(vc, "h", realxreal2real); hxy = vc_funExpr2(vc, h, x, y); hyx = vc_funExpr2(vc, h, y, x); hxyeqhyx = vc_eqExpr(vc, hxy, hyx); e = vc_impliesExpr(vc, xeqy, hxyeqhyx); res = check(vc, e); FatalAssert(res == 1, "Expected Valid"); vc_deleteType(r); vc_deleteExpr(x); vc_deleteExpr(y); vc_deleteType(realxreal2real); vc_deleteExpr(hxy); vc_deleteExpr(hxyeqhyx); vc_deleteExpr(e); vc_destroyValidityChecker(vc); }
value caml_vc_funTypeN(value vc, value args, value r, value num) { Type *ts; int i; CAMLparam4(vc,args,r,num); CAMLlocal1(result); ts = (Type *)malloc(Int_val(num) * sizeof(Type)); if( !ts ) caml_failwith("malloc returned NULL in vc_funTypeN wrapper"); for( i = 0; i < Int_val(num); i++ ) { ts[i] = Type_val(Field(args,i)); } result = alloc_Type(vc_funTypeN(VC_val(vc), ts, Type_val(r), Int_val(num))); free( ts ); CAMLreturn(result); }