Program Listing for File monomials.cpp¶
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)
#include <symengine/monomials.h>
namespace SymEngine
{
// This is the fastest implementation:
void monomial_mul(const vec_int &A, const vec_int &B, vec_int &C)
{
size_t n = A.size();
for (size_t i = 0; i < n; ++i) {
C[i] = A[i] + B[i];
}
}
/*
// Other implementation of monomial_mul() are below. Those are slightly slower,
// so they are commented out.
// This is slightly slower than monomial_mul
void monomial_mul2(const vec_int &A, const vec_int &B, vec_int &C)
{
std::transform(A.begin(), A.end(), B.begin(), C.begin(), std::plus<int>());
}
// The same as monomial_mul2
void monomial_mul3(const vec_int &A, const vec_int &B, vec_int &C)
{
std::transform(A.begin(), A.end(), B.begin(), C.begin(),
[] (int a, int b) { return a + b; });
}
*/
} // SymEngine