Convert some more ctors from copying to moving STL containers.

[ginac.git] / ginac / power.cpp

diff --git a/ginac/power.cpp b/ginac/power.cpp
index b12ff8a44299351bf082e8be20782059fcecc014..bf48e93eb3fdc334703dac1aa72aec72ff492b32 100644 (file)
--- a/ginac/power.cpp
+++ b/ginac/power.cpp
@@ -775,7 +775,7 @@ ex power::derivative(const symbol & s) const
                newseq.reserve(2);
                newseq.push_back(expair(basis, exponent - _ex1));
                newseq.push_back(expair(basis.diff(s), _ex1));
-               return mul(newseq, exponent);
+               return mul(std::move(newseq), exponent);
        } else {
                // D(b^e) = b^e * (D(e)*ln(b) + e*D(b)/b)
                return mul(*this,
@@ -849,9 +849,9 @@ ex power::expand(unsigned options) const
                // In either case we set a flag to avoid the second run on a part
                // which does not have positive/negative terms.
                if (prodseq.size() > 0) {
-                       ex newbasis = coeff*mul(powseq);
+                       ex newbasis = coeff*mul(std::move(powseq));
                        ex_to<basic>(newbasis).setflag(status_flags::purely_indefinite);
-                       return ((new mul(prodseq))->setflag(status_flags::dynallocated)*(new power(newbasis, exponent))->setflag(status_flags::dynallocated).expand(options)).expand(options);
+                       return ((new mul(std::move(prodseq)))->setflag(status_flags::dynallocated)*(new power(newbasis, exponent))->setflag(status_flags::dynallocated).expand(options)).expand(options);
                } else
                        ex_to<basic>(basis).setflag(status_flags::purely_indefinite);
        }
@@ -1237,11 +1237,11 @@ ex power::expand_add(const add & a, int n, unsigned options) const
        GINAC_ASSERT(result.size() == result_size);
 
        if (a.overall_coeff.is_zero()) {
-               return (new add(result))->setflag(status_flags::dynallocated |
-                                                 status_flags::expanded);
+               return (new add(std::move(result)))->setflag(status_flags::dynallocated |
+                                                            status_flags::expanded);
        } else {
-               return (new add(result, ex_to<numeric>(a.overall_coeff).power(n)))->setflag(status_flags::dynallocated |
-                                                                                           status_flags::expanded);
+               return (new add(std::move(result), ex_to<numeric>(a.overall_coeff).power(n)))->setflag(status_flags::dynallocated |
+                                                                                                      status_flags::expanded);
        }
 }
 
@@ -1309,7 +1309,7 @@ ex power::expand_add_2(const add & a, unsigned options) const
        
        GINAC_ASSERT(sum.size()==(a_nops*(a_nops+1))/2);
        
-       return (new add(sum))->setflag(status_flags::dynallocated | status_flags::expanded);
+       return (new add(std::move(sum)))->setflag(status_flags::dynallocated | status_flags::expanded);
 }
 
 /** Expand factors of m in m^n where m is a mul and n is an integer.