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Move (part of) evaluation of products to evaluator objects.

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* Copy implementation from CoeffBasedProduct.
* Copy implementation from GeneralProduct in InnerProduct case.
* For GeneralProduct in other cases, call the evalTo() member function with
  expression objects in constructor of evaluator.
This commit is contained in:
Jitse Niesen
2012-06-29 13:07:21 +01:00
parent 9629ba361a
commit 069fd0e4be
5 changed files with 447 additions and 48 deletions
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49
test/evaluators.cpp
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@@ -50,6 +50,7 @@ void test_evaluators()
VERIFY_IS_APPROX_EVALUATOR(w, Vector2d::Zero().transpose());
{
// test product expressions
int s = internal::random<int>(1,100);
MatrixXf a(s,s), b(s,s), c(s,s), d(s,s);
a.setRandom();
@@ -58,13 +59,55 @@ void test_evaluators()
d.setRandom();
VERIFY_IS_APPROX_EVALUATOR(d, (a + b));
VERIFY_IS_APPROX_EVALUATOR(d, (a + b).transpose());
VERIFY_IS_APPROX_EVALUATOR2(d, prod(a,b), a*b);
VERIFY_IS_APPROX_EVALUATOR2(d, prod(a,b) + c, a*b + c);
VERIFY_IS_APPROX_EVALUATOR2(d, s * prod(a,b), s * a*b);
VERIFY_IS_APPROX_EVALUATOR2(d, prod(a,b).transpose(), (a*b).transpose());
VERIFY_IS_APPROX_EVALUATOR2(d, prod(a,b) + prod(b,c), a*b + b*c);
// copy_using_evaluator(d, a.transpose() + (a.transpose() * (b+b)));
// cout << d << endl;
}
{
// test product with all possible sizes
int s = internal::random<int>(1,100);
Matrix<float, 1, 1> m11, res11; m11.setRandom(1,1);
Matrix<float, 1, 4> m14, res14; m14.setRandom(1,4);
Matrix<float, 1,Dynamic> m1X, res1X; m1X.setRandom(1,s);
Matrix<float, 4, 1> m41, res41; m41.setRandom(4,1);
Matrix<float, 4, 4> m44, res44; m44.setRandom(4,4);
Matrix<float, 4,Dynamic> m4X, res4X; m4X.setRandom(4,s);
Matrix<float,Dynamic, 1> mX1, resX1; mX1.setRandom(s,1);
Matrix<float,Dynamic, 4> mX4, resX4; mX4.setRandom(s,4);
Matrix<float,Dynamic,Dynamic> mXX, resXX; mXX.setRandom(s,s);
VERIFY_IS_APPROX_EVALUATOR2(res11, prod(m11,m11), m11*m11);
VERIFY_IS_APPROX_EVALUATOR2(res11, prod(m14,m41), m14*m41);
VERIFY_IS_APPROX_EVALUATOR2(res11, prod(m1X,mX1), m1X*mX1);
VERIFY_IS_APPROX_EVALUATOR2(res14, prod(m11,m14), m11*m14);
VERIFY_IS_APPROX_EVALUATOR2(res14, prod(m14,m44), m14*m44);
VERIFY_IS_APPROX_EVALUATOR2(res14, prod(m1X,mX4), m1X*mX4);
VERIFY_IS_APPROX_EVALUATOR2(res1X, prod(m11,m1X), m11*m1X);
VERIFY_IS_APPROX_EVALUATOR2(res1X, prod(m14,m4X), m14*m4X);
VERIFY_IS_APPROX_EVALUATOR2(res1X, prod(m1X,mXX), m1X*mXX);
VERIFY_IS_APPROX_EVALUATOR2(res41, prod(m41,m11), m41*m11);
VERIFY_IS_APPROX_EVALUATOR2(res41, prod(m44,m41), m44*m41);
VERIFY_IS_APPROX_EVALUATOR2(res41, prod(m4X,mX1), m4X*mX1);
VERIFY_IS_APPROX_EVALUATOR2(res44, prod(m41,m14), m41*m14);
VERIFY_IS_APPROX_EVALUATOR2(res44, prod(m44,m44), m44*m44);
VERIFY_IS_APPROX_EVALUATOR2(res44, prod(m4X,mX4), m4X*mX4);
VERIFY_IS_APPROX_EVALUATOR2(res4X, prod(m41,m1X), m41*m1X);
VERIFY_IS_APPROX_EVALUATOR2(res4X, prod(m44,m4X), m44*m4X);
VERIFY_IS_APPROX_EVALUATOR2(res4X, prod(m4X,mXX), m4X*mXX);
VERIFY_IS_APPROX_EVALUATOR2(resX1, prod(mX1,m11), mX1*m11);
VERIFY_IS_APPROX_EVALUATOR2(resX1, prod(mX4,m41), mX4*m41);
VERIFY_IS_APPROX_EVALUATOR2(resX1, prod(mXX,mX1), mXX*mX1);
VERIFY_IS_APPROX_EVALUATOR2(resX4, prod(mX1,m14), mX1*m14);
VERIFY_IS_APPROX_EVALUATOR2(resX4, prod(mX4,m44), mX4*m44);
VERIFY_IS_APPROX_EVALUATOR2(resX4, prod(mXX,mX4), mXX*mX4);
VERIFY_IS_APPROX_EVALUATOR2(resXX, prod(mX1,m1X), mX1*m1X);
VERIFY_IS_APPROX_EVALUATOR2(resXX, prod(mX4,m4X), mX4*m4X);
VERIFY_IS_APPROX_EVALUATOR2(resXX, prod(mXX,mXX), mXX*mXX);
}
// this does not work because Random is eval-before-nested:
// copy_using_evaluator(w, Vector2d::Random().transpose());