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Sized cost function using variadic templates

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This PR changes the interface of sized_cost_fucntion,
autodiff_cost_function and numeric_diff_costfunction from using ten
hardcoded parameter blocks to a variable number of parameter blocks
using variadic templates.

Trailing parameter blocks of size zero are now considered as error.

Change-Id: I37b9a0a420ef0eda6476a46672bbf6bd57e19760
This commit is contained in:
Johannes Beck
2018-10-13 22:34:53 +02:00
parent f8e8951611
commit 8eef94de4e
12 changed files with 380 additions and 591 deletions
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internal/ceres/parameter_dims_test.cc
+3 -3
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@@ -89,11 +89,11 @@ TEST(ParameterDims, GetUnpackedParameters) {
constexpr int N1 = 4;
constexpr int N2 = 2;
using Params = StaticParameterDims<N0, N1, N2>;
using ParameterDims = StaticParameterDims<N0, N1, N2>;
std::array<double, Params::kNumParameters> packed_parameters{};
std::array<double, ParameterDims::kNumParameters> packed_parameters{};
std::array<double*, 3> unpacked_parameters =
Params::GetUnpackedParameters(packed_parameters.data());
ParameterDims::GetUnpackedParameters(packed_parameters.data());
EXPECT_EQ(packed_parameters.data(), unpacked_parameters[0]);
EXPECT_EQ(packed_parameters.data() + N0, unpacked_parameters[1]);