diff options
author | Benoit Steiner <benoit.steiner.goog@gmail.com> | 2015-02-27 08:46:04 -0800 |
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committer | Benoit Steiner <benoit.steiner.goog@gmail.com> | 2015-02-27 08:46:04 -0800 |
commit | 573b377110d488886bfc6b319c140a3375d5d91a (patch) | |
tree | b6da3b4fcbeea60ffb2c93283349bb2b5583f9c0 /unsupported/test/cxx11_tensor_casts.cpp | |
parent | f41b1f1666e91dc674a42fed9c444c91f483133f (diff) |
Added support for vectorized type casting of tensors
Diffstat (limited to 'unsupported/test/cxx11_tensor_casts.cpp')
-rw-r--r-- | unsupported/test/cxx11_tensor_casts.cpp | 56 |
1 files changed, 55 insertions, 1 deletions
diff --git a/unsupported/test/cxx11_tensor_casts.cpp b/unsupported/test/cxx11_tensor_casts.cpp index 4f7ff7067..f53679d7b 100644 --- a/unsupported/test/cxx11_tensor_casts.cpp +++ b/unsupported/test/cxx11_tensor_casts.cpp @@ -17,7 +17,7 @@ using Eigen::array; static void test_simple_cast() { Tensor<float, 2> ftensor(20,30); - ftensor.setRandom(); + ftensor = ftensor.random() * 100.f; Tensor<char, 2> chartensor(20,30); chartensor.setRandom(); Tensor<std::complex<float>, 2> cplextensor(20,30); @@ -35,7 +35,61 @@ static void test_simple_cast() } +static void test_vectorized_cast() +{ + Tensor<int, 2> itensor(20,30); + itensor = itensor.random() / 1000; + Tensor<float, 2> ftensor(20,30); + ftensor.setRandom(); + Tensor<double, 2> dtensor(20,30); + dtensor.setRandom(); + + ftensor = itensor.cast<float>(); + dtensor = itensor.cast<double>(); + + for (int i = 0; i < 20; ++i) { + for (int j = 0; j < 30; ++j) { + VERIFY_IS_EQUAL(itensor(i,j), static_cast<int>(ftensor(i,j))); + VERIFY_IS_EQUAL(dtensor(i,j), static_cast<double>(ftensor(i,j))); + } + } +} + + +static void test_big_to_small_type_cast() +{ + Tensor<double, 2> dtensor(20, 30); + dtensor.setRandom(); + Tensor<float, 2> ftensor(20, 30); + ftensor = dtensor.cast<float>(); + + for (int i = 0; i < 20; ++i) { + for (int j = 0; j < 30; ++j) { + VERIFY_IS_APPROX(dtensor(i,j), static_cast<double>(ftensor(i,j))); + } + } +} + + +static void test_small_to_big_type_cast() +{ + Tensor<float, 2> ftensor(20, 30); + ftensor.setRandom(); + Tensor<double, 2> dtensor(20, 30); + dtensor = ftensor.cast<double>(); + + for (int i = 0; i < 20; ++i) { + for (int j = 0; j < 30; ++j) { + VERIFY_IS_APPROX(dtensor(i,j), static_cast<double>(ftensor(i,j))); + } + } +} + + void test_cxx11_tensor_casts() { CALL_SUBTEST(test_simple_cast()); + CALL_SUBTEST(test_vectorized_cast()); + CALL_SUBTEST(test_big_to_small_type_cast()); + CALL_SUBTEST(test_small_to_big_type_cast()); } |