Use noexcept more. (#7058)

src/math/realclosure/mpz_matrix.h

@@ -50,7 +50,7 @@ public:
         SASSERT(j < n); 
         return a_ij[i*n + j]; }
     mpz & operator()(unsigned i, unsigned j) { SASSERT(i < m); SASSERT(j < n); return a_ij[i*n + j]; }
-    void swap(mpz_matrix & B) { std::swap(m, B.m); std::swap(n, B.n); std::swap(a_ij, B.a_ij); }
+    void swap(mpz_matrix & B) noexcept { std::swap(m, B.m); std::swap(n, B.n); std::swap(a_ij, B.a_ij); }
     mpz * row(unsigned i) const { SASSERT(i < m); return a_ij + i*n; }
 };
 
@@ -136,7 +136,7 @@ public:
     mpz_matrix const & get() const { return A; }
     mpz_matrix & get() { return A; }
 
-    void swap(mpz_matrix & B) { A.swap(B); }
+    void swap(mpz_matrix & B) noexcept { A.swap(B); }
 
     void set(unsigned i, unsigned j, mpz const & v) { nm().set(A(i, j), v); }
     void set(unsigned i, unsigned j, int v) { nm().set(A(i, j), v); }

src/math/realclosure/realclosure.cpp

@@ -135,7 +135,7 @@ namespace realclosure {
     typedef interval_manager<mpbq_config> mpbqi_manager;
     typedef mpbqi_manager::interval       mpbqi;
 
-    void swap(mpbqi & a, mpbqi & b) {
+    void swap(mpbqi & a, mpbqi & b) noexcept {
         swap(a.m_lower, b.m_lower);
         swap(a.m_upper, b.m_upper);
         std::swap(a.m_lower_inf, b.m_lower_inf);
@@ -2534,7 +2534,7 @@ namespace realclosure {
             return depends_on_infinitesimals(a.m_value);
         }
 
-        static void swap(mpbqi & a, mpbqi & b) {
+        static void swap(mpbqi & a, mpbqi & b) noexcept {
             realclosure::swap(a, b);
         }
 
@@ -6313,7 +6313,7 @@ namespace realclosure {
         m_imp->set(a, n);
     }
 
-    void manager::swap(numeral & a, numeral & b) {
+    void manager::swap(numeral & a, numeral & b) noexcept {
         std::swap(a.m_value, b.m_value);
     }
 

src/math/realclosure/realclosure.h

@@ -164,7 +164,7 @@ namespace realclosure {
         void set(numeral & a, mpq const & n);
         void set(numeral & a, numeral const & n);
 
-        void swap(numeral & a, numeral & b);
+        void swap(numeral & a, numeral & b) noexcept;
 
         /**
            \brief Return a^{1/k}