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Remove unnecessary value parameter copies.

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This commit is contained in:
Bruce Mitchener 2018-02-06 14:29:54 +07:00
parent 3f7453f5c5
commit 757b7c66ef
7 changed files with 40 additions and 40 deletions
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28
src/interp/iz3mgr.h
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@ -245,7 +245,7 @@ class iz3mgr {
/** Methods for destructing ast. */
int num_args(ast t){
int num_args(const ast& t){
ast_kind dk = t.raw()->get_kind();
switch(dk){
case AST_APP:
@ -285,7 +285,7 @@ class iz3mgr {
return res;
}
symb sym(ast t){
symb sym(const ast& t){
raw_ast *_ast = t.raw();
return is_app(_ast) ? to_app(_ast)->get_decl() : 0;
}
@ -302,7 +302,7 @@ class iz3mgr {
}
}
type get_type(ast t){
type get_type(const ast& t){
return m().get_sort(to_expr(t.raw()));
}
@ -442,23 +442,23 @@ class iz3mgr {
bool is_farkas_coefficient_negative(const ast &proof, int n);
bool is_true(ast t){
bool is_true(const ast& t){
return op(t) == True;
}
bool is_false(ast t){
bool is_false(const ast& t){
return op(t) == False;
}
bool is_iff(ast t){
bool is_iff(const ast& t){
return op(t) == Iff;
}
bool is_or(ast t){
bool is_or(const ast& t){
return op(t) == Or;
}
bool is_not(ast t){
bool is_not(const ast& t){
return op(t) == Not;
}
@ -472,7 +472,7 @@ class iz3mgr {
// Some constructors that simplify things
ast mk_not(ast x){
ast mk_not(const ast& x){
opr o = op(x);
if(o == True) return make(False);
if(o == False) return make(True);
@ -480,7 +480,7 @@ class iz3mgr {
return make(Not,x);
}
ast mk_and(ast x, ast y){
ast mk_and(const ast& x, const ast& y){
opr ox = op(x);
opr oy = op(y);
if(ox == True) return y;
@ -491,7 +491,7 @@ class iz3mgr {
return make(And,x,y);
}
ast mk_or(ast x, ast y){
ast mk_or(const ast& x, const ast& y){
opr ox = op(x);
opr oy = op(y);
if(ox == False) return y;
@ -502,7 +502,7 @@ class iz3mgr {
return make(Or,x,y);
}
ast mk_implies(ast x, ast y){
ast mk_implies(const ast& x, const ast& y){
opr ox = op(x);
opr oy = op(y);
if(ox == True) return y;
@ -537,7 +537,7 @@ class iz3mgr {
return make(And,conjs);
}
ast mk_equal(ast x, ast y){
ast mk_equal(const ast& x, const ast& y){
if(x == y) return make(True);
opr ox = op(x);
opr oy = op(y);
@ -550,7 +550,7 @@ class iz3mgr {
return make(Equal,x,y);
}
ast z3_ite(ast x, ast y, ast z){
ast z3_ite(const ast& x, const ast& y, const ast& z){
opr ox = op(x);
opr oy = op(y);
opr oz = op(z);