Add srem, urem, shift, ext operators to c++ api

src/api/c++/z3++.h

@@ -876,7 +876,7 @@ namespace z3 {
         unsigned lo() const { assert (is_app() && Z3_get_decl_num_parameters(ctx(), decl()) == 2); return static_cast<unsigned>(Z3_get_decl_int_parameter(ctx(), decl(), 1)); }
         unsigned hi() const { assert (is_app() && Z3_get_decl_num_parameters(ctx(), decl()) == 2); return static_cast<unsigned>(Z3_get_decl_int_parameter(ctx(), decl(), 0)); }
 
-        /**
+		/**
            \brief sequence and regular expression operations.
            + is overloaeded as sequence concatenation and regular expression union.
            concat is overloaded to handle sequences and regular expressions
@@ -1275,6 +1275,51 @@ namespace z3 {
     inline expr udiv(expr const & a, int b) { return udiv(a, a.ctx().num_val(b, a.get_sort())); }
     inline expr udiv(int a, expr const & b) { return udiv(b.ctx().num_val(a, b.get_sort()), b); }
 
+	/**
+		\brief signed reminder operator for bitvectors
+	*/
+	inline expr srem(expr const & a, expr const & b) { return to_expr(a.ctx(), Z3_mk_bvsrem(a.ctx(), a, b)); }
+	inline expr srem(expr const & a, int b) { return srem(a, a.ctx().num_val(b, a.get_sort())); }
+	inline expr srem(int a, expr const & b) { return srem(b.ctx().num_val(a, b.get_sort()), b); }
+
+	/**
+	\brief unsigned reminder operator for bitvectors
+	*/
+	inline expr urem(expr const & a, expr const & b) { return to_expr(a.ctx(), Z3_mk_bvurem(a.ctx(), a, b)); }
+	inline expr urem(expr const & a, int b) { return urem(a, a.ctx().num_val(b, a.get_sort())); }
+	inline expr urem(int a, expr const & b) { return urem(b.ctx().num_val(a, b.get_sort()), b); }
+
+	/**
+	\brief shift left operator for bitvectors
+	*/
+	inline expr shl(expr const & a, expr const & b) { return to_expr(a.ctx(), Z3_mk_bvshl(a.ctx(), a, b)); }
+	inline expr shl(expr const & a, int b) { return shl(a, a.ctx().num_val(b, a.get_sort())); }
+	inline expr shl(int a, expr const & b) { return shl(b.ctx().num_val(a, b.get_sort()), b); }
+
+	/**
+	\brief logic shift right operator for bitvectors
+	*/
+	inline expr lshr(expr const & a, expr const & b) { return to_expr(a.ctx(), Z3_mk_bvlshr(a.ctx(), a, b)); }
+	inline expr lshr(expr const & a, int b) { return lshr(a, a.ctx().num_val(b, a.get_sort())); }
+	inline expr lshr(int a, expr const & b) { return lshr(b.ctx().num_val(a, b.get_sort()), b); }
+
+	/**
+	\brief arithmetic shift right operator for bitvectors
+	*/
+	inline expr ashr(expr const & a, expr const & b) { return to_expr(a.ctx(), Z3_mk_bvashr(a.ctx(), a, b)); }
+	inline expr ashr(expr const & a, int b) { return ashr(a, a.ctx().num_val(b, a.get_sort())); }
+	inline expr ashr(int a, expr const & b) { return ashr(b.ctx().num_val(a, b.get_sort()), b); }
+
+	/**
+	\brief Extend the given bit-vector with zeros to the (unsigned) equivalent bitvector of size m+i, where m is the size of the given bit-vector.
+	*/
+	inline expr zext(expr const & a, unsigned i) { return to_expr(a.ctx(), Z3_mk_zero_ext(a.ctx(), i, a)); }
+
+	/**
+	\brief Sign-extend of the given bit-vector to the (signed) equivalent bitvector of size m+i, where m is the size of the given bit-vector.
+	*/
+	inline expr sext(expr const & a, unsigned i) { return to_expr(a.ctx(), Z3_mk_sign_ext(a.ctx(), i, a)); }
+
     template<typename T> class cast_ast;
 
     template<> class cast_ast<ast> {