| // |
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| // this list of conditions and the following disclaimer. |
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| // |
| // Author: jodebo_beck@gmx.de (Johannes Beck) |
| |
| #include "ceres/internal/parameter_dims.h" |
| |
| #include <gtest/gtest.h> |
| |
| #include <type_traits> |
| #include <utility> |
| |
| namespace ceres { |
| namespace internal { |
| |
| // Is valid parameter dims unit test |
| static_assert(IsValidParameterDimensionSequence(std::integer_sequence<int>()) == |
| true, |
| "Unit test of is valid parameter dimension sequence failed."); |
| static_assert(IsValidParameterDimensionSequence( |
| std::integer_sequence<int, 2, 1>()) == true, |
| "Unit test of is valid parameter dimension sequence failed."); |
| static_assert(IsValidParameterDimensionSequence( |
| std::integer_sequence<int, 0, 1>()) == false, |
| "Unit test of is valid parameter dimension sequence failed."); |
| static_assert(IsValidParameterDimensionSequence( |
| std::integer_sequence<int, 3, 0>()) == false, |
| "Unit test of is valid parameter dimension sequence failed."); |
| |
| // Static parameter dims unit test |
| static_assert( |
| std::is_same<StaticParameterDims<4, 2, 1>::Parameters, |
| std::integer_sequence<int, 4, 2, 1>>::value == true, |
| "Unit test of type 'parameters' for static parameter dims failed."); |
| |
| static_assert(StaticParameterDims<4, 2, 1>::kIsValid == true, |
| "Unit test of is valid for static parameter dims failed."); |
| static_assert(StaticParameterDims<4, 2, 1>::kIsDynamic == false, |
| "Unit test of is dynamic for static parameter dims failed."); |
| static_assert(StaticParameterDims<4, 2, 1>::kNumParameterBlocks == 3, |
| "Unit test of number of parameter blocks for static parameter " |
| "dims failed."); |
| static_assert( |
| StaticParameterDims<4, 2, 1>::kNumParameters == 7, |
| "Unit test of number of parameters for static parameter dims failed."); |
| |
| // Dynamic parameter dims unit test |
| static_assert(DynamicParameterDims::kIsValid == true, |
| "Unit test of is valid for dynamic parameter dims failed."); |
| static_assert(DynamicParameterDims::kIsDynamic == true, |
| "Unit test of is dynamic for dynamic parameter dims failed."); |
| static_assert(DynamicParameterDims::kNumParameterBlocks == 0, |
| "Unit test of number if parameter blocks for dynamic parameter " |
| "dims failed."); |
| static_assert( |
| DynamicParameterDims::kNumParameters == 0, |
| "Unit test of number of parameters for dynamic parameter dims failed."); |
| |
| TEST(ParameterDims, GetDims) { |
| constexpr int N0 = 3; |
| constexpr int N1 = 4; |
| constexpr int N2 = 2; |
| |
| StaticParameterDims<N0, N1, N2> params; |
| EXPECT_EQ(N0, params.GetDim(0)); |
| EXPECT_EQ(N1, params.GetDim(1)); |
| EXPECT_EQ(N2, params.GetDim(2)); |
| } |
| |
| TEST(ParameterDims, GetUnpackedParameters) { |
| constexpr int N0 = 3; |
| constexpr int N1 = 4; |
| constexpr int N2 = 2; |
| |
| using ParameterDims = StaticParameterDims<N0, N1, N2>; |
| |
| std::array<double, ParameterDims::kNumParameters> packed_parameters{}; |
| std::array<double*, 3> unpacked_parameters = |
| ParameterDims::GetUnpackedParameters(packed_parameters.data()); |
| |
| EXPECT_EQ(packed_parameters.data(), unpacked_parameters[0]); |
| EXPECT_EQ(packed_parameters.data() + N0, unpacked_parameters[1]); |
| EXPECT_EQ(packed_parameters.data() + N0 + N1, unpacked_parameters[2]); |
| } |
| |
| } // namespace internal |
| } // namespace ceres |