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authorStanislaw Halik <sthalik@misaki.pl>2017-03-25 14:17:07 +0100
committerStanislaw Halik <sthalik@misaki.pl>2017-03-25 14:17:07 +0100
commit35f7829af10c61e33dd2e2a7a015058e11a11ea0 (patch)
tree7135010dcf8fd0a49f3020d52112709bcb883bd6 /eigen/test/product_large.cpp
parent6e8724193e40a932faf9064b664b529e7301c578 (diff)
update
Diffstat (limited to 'eigen/test/product_large.cpp')
-rw-r--r--eigen/test/product_large.cpp32
1 files changed, 26 insertions, 6 deletions
diff --git a/eigen/test/product_large.cpp b/eigen/test/product_large.cpp
index 6bb4d1a..845cd40 100644
--- a/eigen/test/product_large.cpp
+++ b/eigen/test/product_large.cpp
@@ -21,12 +21,12 @@ void test_aliasing()
VectorType y(rows); y.setZero();
MatrixType A(rows,cols); A.setRandom();
// CwiseBinaryOp
- VERIFY_IS_APPROX(x = y + A*x, A*z);
+ VERIFY_IS_APPROX(x = y + A*x, A*z); // OK because "y + A*x" is marked as "assume-aliasing"
x = z;
// CwiseUnaryOp
- VERIFY_IS_APPROX(x = T(1.)*(A*x), A*z);
+ VERIFY_IS_APPROX(x = T(1.)*(A*x), A*z); // OK because 1*(A*x) is replaced by (1*A*x) which is a Product<> expression
x = z;
- VERIFY_IS_APPROX(x = y+(-(A*x)), -A*z);
+ // VERIFY_IS_APPROX(x = y-A*x, -A*z); // Not OK in 3.3 because x is resized before A*x gets evaluated
x = z;
}
@@ -62,15 +62,16 @@ void test_product_large()
// check the functions to setup blocking sizes compile and do not segfault
// FIXME check they do what they are supposed to do !!
std::ptrdiff_t l1 = internal::random<int>(10000,20000);
- std::ptrdiff_t l2 = internal::random<int>(1000000,2000000);
- setCpuCacheSizes(l1,l2);
+ std::ptrdiff_t l2 = internal::random<int>(100000,200000);
+ std::ptrdiff_t l3 = internal::random<int>(1000000,2000000);
+ setCpuCacheSizes(l1,l2,l3);
VERIFY(l1==l1CacheSize());
VERIFY(l2==l2CacheSize());
std::ptrdiff_t k1 = internal::random<int>(10,100)*16;
std::ptrdiff_t m1 = internal::random<int>(10,100)*16;
std::ptrdiff_t n1 = internal::random<int>(10,100)*16;
// only makes sure it compiles fine
- internal::computeProductBlockingSizes<float,float>(k1,m1,n1);
+ internal::computeProductBlockingSizes<float,float,std::ptrdiff_t>(k1,m1,n1,1);
}
{
@@ -83,5 +84,24 @@ void test_product_large()
MatrixXf r2 = mat1.row(2)*mat2;
VERIFY_IS_APPROX(r2, (mat1.row(2)*mat2).eval());
}
+
+ {
+ Eigen::MatrixXd A(10,10), B, C;
+ A.setRandom();
+ C = A;
+ for(int k=0; k<79; ++k)
+ C = C * A;
+ B.noalias() = (((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A)) * ((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A)))
+ * (((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A)) * ((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A)));
+ VERIFY_IS_APPROX(B,C);
+ }
+#endif
+
+ // Regression test for bug 714:
+#if defined EIGEN_HAS_OPENMP
+ omp_set_dynamic(1);
+ for(int i = 0; i < g_repeat; i++) {
+ CALL_SUBTEST_6( product(Matrix<float,Dynamic,Dynamic>(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) );
+ }
#endif
}