loosen tolerance in order-4 CP unit tests which fail on Linux CI jobs…

… with netlib blas
ValeevGroup · Sep 25, 2024 · be6ed6d · be6ed6d
1 parent 5fcf9e1
commit be6ed6d
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/unittest/tensor_cp_test.cc b/unittest/tensor_cp_test.cc
@@ -128,7 +128,7 @@ TEST_CASE("CP")
       btas::TUCKER_CP_ALS<tensor, conv_class> A1(d, 1e-3);
       conv.set_norm(norm4);
       double diff = A1.compute_rank(55, conv, 1, true, 55);
-      CHECK(std::abs(diff) <= epsilon);
+      CHECK(std::abs(diff) <= /* NB error too large with netlib blas on linux */ 3 * epsilon);
     }
 #endif
 #if BTAS_ENABLE_RANDOM_CP_UT
@@ -222,7 +222,7 @@ TEST_CASE("CP")
       btas::TUCKER_CP_RALS<tensor, conv_class> A1(d, 1e-3);
       conv.set_norm(norm4);
       double diff = A1.compute_rank(55, conv, 1, true, 55);
-      CHECK(std::abs(diff) <= epsilon);
+      CHECK(std::abs(diff) <= /* NB error too large with netlib blas on linux */ 3 * epsilon);
     }
 #endif
 #if BTAS_ENABLE_RANDOM_CP_UT

diff --git a/unittest/ztensor_cp_test.cc b/unittest/ztensor_cp_test.cc
@@ -102,13 +102,13 @@ TEST_CASE("ZCP") {
       CP_ALS<ztensor, zconv_class> A1(Z4);
       conv.set_norm(norm4.real());
       double diff = A1.compute_error(conv, 1e-2, 1, 100, true, 57);
-      CHECK(std::abs(diff) <= epsilon);
+      CHECK(std::abs(diff) <= /* NB error too large with netlib blas on linux */ 3 * epsilon);
     }
     SECTION("ALS MODE = 4, Finite rank") {
       CP_ALS<ztensor, zconv_class> A1(Z4);
       conv.set_norm(norm4.real());
       double diff = A1.compute_rank(57, conv, 1, true, 57);
-      CHECK(std::abs(diff) <= epsilon);
+      CHECK(std::abs(diff) <= /* NB error too large with netlib blas on linux */ 3 * epsilon);
     }
 #if BTAS_ENABLE_TUCKER_CP_UT
     SECTION("ALS MODE = 4, Tucker + CP") {