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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/test/insertion_operators.h>
#include <vespa/vespalib/testkit/test_kit.h>
#include <vespa/eval/tensor/dense/typed_dense_tensor_builder.h>
#include <vespa/vespalib/util/exceptions.h>
using namespace vespalib::tensor;
using vespalib::IllegalArgumentException;
using BuilderDbl = TypedDenseTensorBuilder<double>;
using BuilderFlt = TypedDenseTensorBuilder<float>;
using vespalib::eval::TensorSpec;
using vespalib::eval::ValueType;
using vespalib::ConstArrayRef;
struct CallMakeVector {
template <typename T>
static std::vector<double> call(const ConstArrayRef<T> &ref) {
std::vector<double> result;
result.reserve(ref.size());
for (T v : ref) {
result.push_back(v);
}
return result;
}
};
void assertTensor(const vespalib::string &type_spec,
const std::vector<double> &expCells,
const Tensor &tensor)
{
const DenseTensorView &realTensor = dynamic_cast<const DenseTensorView &>(tensor);
EXPECT_EQUAL(ValueType::from_spec(type_spec), realTensor.type());
EXPECT_EQUAL(expCells, dispatch_1<CallMakeVector>(realTensor.cellsRef()));
}
void assertTensorSpec(const TensorSpec &expSpec, const Tensor &tensor) {
TensorSpec actSpec = tensor.toSpec();
EXPECT_EQUAL(expSpec, actSpec);
}
Tensor::UP build1DTensor() {
BuilderDbl builder(ValueType::from_spec("tensor(x[3])"));
builder.insertCell(0, 10);
builder.insertCell(1, 11);
builder.insertCell(2, 12);
return builder.build();
}
TEST("require that 1d tensor can be constructed") {
assertTensor("tensor(x[3])", {10,11,12}, *build1DTensor());
}
TEST("require that 1d tensor can be converted to tensor spec") {
assertTensorSpec(TensorSpec("tensor(x[3])").
add({{"x", 0}}, 10).
add({{"x", 1}}, 11).
add({{"x", 2}}, 12),
*build1DTensor());
}
Tensor::UP build2DTensor() {
BuilderDbl builder(ValueType::from_spec("tensor(x[3],y[2])"));
builder.insertCell({0, 0}, 10);
builder.insertCell({0, 1}, 11);
builder.insertCell({1, 0}, 12);
builder.insertCell({1, 1}, 13);
builder.insertCell({2, 0}, 14);
builder.insertCell({2, 1}, 15);
return builder.build();
}
TEST("require that 2d tensor can be constructed") {
assertTensor("tensor(x[3],y[2])", {10,11,12,13,14,15}, *build2DTensor());
}
TEST("require that 2d tensor can be converted to tensor spec") {
assertTensorSpec(TensorSpec("tensor(x[3],y[2])").
add({{"x", 0},{"y", 0}}, 10).
add({{"x", 0},{"y", 1}}, 11).
add({{"x", 1},{"y", 0}}, 12).
add({{"x", 1},{"y", 1}}, 13).
add({{"x", 2},{"y", 0}}, 14).
add({{"x", 2},{"y", 1}}, 15),
*build2DTensor());
}
TEST("require that 3d tensor can be constructed") {
BuilderDbl builder(ValueType::from_spec("tensor(x[3],y[2],z[2])"));
builder.insertCell({0, 0, 0}, 10);
builder.insertCell({0, 0, 1}, 11);
builder.insertCell({0, 1, 0}, 12);
builder.insertCell({0, 1, 1}, 13);
builder.insertCell({1, 0, 0}, 14);
builder.insertCell({1, 0, 1}, 15);
builder.insertCell({1, 1, 0}, 16);
builder.insertCell({1, 1, 1}, 17);
builder.insertCell({2, 0, 0}, 18);
builder.insertCell({2, 0, 1}, 19);
builder.insertCell({2, 1, 0}, 20);
builder.insertCell({2, 1, 1}, 21);
assertTensor("tensor(x[3],y[2],z[2])",
{10,11,12,13,14,15,16,17,18,19,20,21},
*builder.build());
}
TEST("require that 2d tensor with float cells can be constructed") {
BuilderFlt builder(ValueType::from_spec("tensor<float>(x[3],y[2])"));
builder.insertCell({0, 1}, 2.5);
builder.insertCell({1, 0}, 1.5);
builder.insertCell({2, 0}, -0.25);
builder.insertCell({2, 1}, 0.75);
assertTensor("tensor<float>(x[3],y[2])", {0,2.5,1.5,0,-0.25,0.75},
*builder.build());
}
TEST("require that cells get default value 0 if not specified") {
BuilderDbl builder(ValueType::from_spec("tensor(x[3])"));
builder.insertCell(1, 11);
assertTensor("tensor(x[3])", {0,11,0},
*builder.build());
}
void assertTensorCell(const DenseTensorView::Address &expAddress,
double expCell,
const DenseTensorView::CellsIterator &itr)
{
EXPECT_TRUE(itr.valid());
EXPECT_EQUAL(expAddress, itr.address());
EXPECT_EQUAL(expCell, itr.cell());
}
TEST("require that dense tensor cells iterator works for 1d tensor") {
Tensor::UP tensor;
{
BuilderDbl builder(ValueType::from_spec("tensor(x[2])"));
builder.insertCell(0, 2);
builder.insertCell(1, 3);
tensor = builder.build();
}
const DenseTensorView &denseTensor = dynamic_cast<const DenseTensorView &>(*tensor);
DenseTensorView::CellsIterator itr = denseTensor.cellsIterator();
assertTensorCell({0}, 2, itr);
itr.next();
assertTensorCell({1}, 3, itr);
itr.next();
EXPECT_FALSE(itr.valid());
}
TEST("require that dense tensor cells iterator works for 2d tensor") {
Tensor::UP tensor;
{
BuilderDbl builder(ValueType::from_spec("tensor(x[2],y[2])"));
builder.insertCell({0, 0}, 2);
builder.insertCell({0, 1}, 3);
builder.insertCell({1, 0}, 5);
builder.insertCell({1, 1}, 7);
tensor = builder.build();
}
const DenseTensorView &denseTensor = dynamic_cast<const DenseTensorView &>(*tensor);
DenseTensorView::CellsIterator itr = denseTensor.cellsIterator();
assertTensorCell({0,0}, 2, itr);
itr.next();
assertTensorCell({0,1}, 3, itr);
itr.next();
assertTensorCell({1,0}, 5, itr);
itr.next();
assertTensorCell({1,1}, 7, itr);
itr.next();
EXPECT_FALSE(itr.valid());
}
TEST_MAIN() { TEST_RUN_ALL(); }
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