Replace some .push_back() with .emplace_back() where it's safe.

[ginac.git] / ginac / power.cpp

diff --git a/ginac/power.cpp b/ginac/power.cpp
index c4ea9db19649b4008936ea86be3904ba8d2b0719..e5d36ee362d7879cf2afb12bc862d2d923acb1d0 100644 (file)
--- a/ginac/power.cpp
+++ b/ginac/power.cpp
@@ -1010,16 +1010,16 @@ ex power::expand_add(const add & a, long n, unsigned options)
                                                // optimize away
                                        } else if (exponent[i] == 1) {
                                                // optimized
-                                               monomial.push_back(expair(r, _ex1));
+                                               monomial.emplace_back(expair(r, _ex1));
                                                if (c != *_num1_p)
                                                        factor = factor.mul(c);
                                        } else { // general case exponent[i] > 1
-                                               monomial.push_back(expair(r, exponent[i]));
+                                               monomial.emplace_back(expair(r, exponent[i]));
                                                if (c != *_num1_p)
                                                        factor = factor.mul(c.power(exponent[i]));
                                        }
                                }
-                               result.push_back(expair(mul(std::move(monomial)).expand(options), factor));
+                               result.emplace_back(expair(mul(std::move(monomial)).expand(options), factor));
                        } while (compositions.next());
                } while (partitions.next());
        }
@@ -1063,27 +1063,27 @@ ex power::expand_add_2(const add & a, unsigned options)
                
                if (c.is_equal(_ex1)) {
                        if (is_exactly_a<mul>(r)) {
-                               result.push_back(expair(expand_mul(ex_to<mul>(r), *_num2_p, options, true),
-                                                       _ex1));
+                               result.emplace_back(expair(expand_mul(ex_to<mul>(r), *_num2_p, options, true),
+                                                          _ex1));
                        } else {
-                               result.push_back(expair(dynallocate<power>(r, _ex2),
-                                                       _ex1));
+                               result.emplace_back(expair(dynallocate<power>(r, _ex2),
+                                                          _ex1));
                        }
                } else {
                        if (is_exactly_a<mul>(r)) {
-                               result.push_back(expair(expand_mul(ex_to<mul>(r), *_num2_p, options, true),
-                                                       ex_to<numeric>(c).power_dyn(*_num2_p)));
+                               result.emplace_back(expair(expand_mul(ex_to<mul>(r), *_num2_p, options, true),
+                                                          ex_to<numeric>(c).power_dyn(*_num2_p)));
                        } else {
-                               result.push_back(expair(dynallocate<power>(r, _ex2),
-                                                       ex_to<numeric>(c).power_dyn(*_num2_p)));
+                               result.emplace_back(expair(dynallocate<power>(r, _ex2),
+                                                          ex_to<numeric>(c).power_dyn(*_num2_p)));
                        }
                }
 
                for (auto cit1=cit0+1; cit1!=last; ++cit1) {
                        const ex & r1 = cit1->rest;
                        const ex & c1 = cit1->coeff;
-                       result.push_back(expair(mul(r,r1).expand(options),
-                                               _num2_p->mul(ex_to<numeric>(c)).mul_dyn(ex_to<numeric>(c1))));
+                       result.emplace_back(expair(mul(r,r1).expand(options),
+                                                  _num2_p->mul(ex_to<numeric>(c)).mul_dyn(ex_to<numeric>(c1))));
                }
        }