subtractMultipleTo() [4/10]

void MatrixOps::subtractMultipleTo ( DMatQQ & C, const DMatQQ & A, const DMatQQ & B )

inline

Definition at line 1068 of file mat-linalg.hpp.

{
  FlintQQMat A1(A);
  FlintQQMat B1(B);
  FlintQQMat C1(C);
  FlintQQMat result1(A.numRows(), B.numColumns());
 
  FlintQQMat D1(A.numRows(), B.numColumns());
  fmpq_mat_mul(D1.value(), A1.value(), B1.value());
  fmpq_mat_sub(C1.value(), C1.value(), D1.value());
 
  C1.toDMat(C);
}

References DMat< ACoeffRing >::numColumns(), DMat< ACoeffRing >::numRows(), FlintQQMat::toDMat(), and FlintQQMat::value().