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Make empty Variable initialization constexpr (SleipnirGroup#692)
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calcmogul authored Jan 17, 2025
1 parent 9537d65 commit 37395dd
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Showing 2 changed files with 31 additions and 17 deletions.
20 changes: 17 additions & 3 deletions include/sleipnir/autodiff/Variable.hpp
Original file line number Diff line number Diff line change
Expand Up @@ -36,11 +36,24 @@ class SLEIPNIR_DLLEXPORT Variable {
Variable() = default;

/**
* Constructs a Variable from a double.
* Constructs an empty Variable.
*/
explicit constexpr Variable(std::nullptr_t) : expr{nullptr} {}

/**
* Constructs a Variable from a floating point type.
*
* @param value The value of the Variable.
*/
Variable(std::floating_point auto value) // NOLINT
: expr{detail::MakeExpressionPtr<detail::ConstExpression>(value)} {}

/**
* Constructs a Variable from an integral type.
*
* @param value The value of the Variable.
*/
Variable(double value) // NOLINT
Variable(std::integral auto value) // NOLINT
: expr{detail::MakeExpressionPtr<detail::ConstExpression>(value)} {}

/**
Expand All @@ -55,7 +68,8 @@ class SLEIPNIR_DLLEXPORT Variable {
*
* @param expr The autodiff variable.
*/
explicit Variable(detail::ExpressionPtr&& expr) : expr{std::move(expr)} {}
explicit constexpr Variable(detail::ExpressionPtr&& expr)
: expr{std::move(expr)} {}

/**
* Assignment operator for double.
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28 changes: 14 additions & 14 deletions jormungandr/cpp/Docstrings.hpp
Original file line number Diff line number Diff line change
Expand Up @@ -27,21 +27,21 @@ static const char *__doc_Eigen_NumTraits =
R"doc(NumTraits specialization that allows instantiating Eigen types with
Variable.)doc";

static const char *__doc_Eigen_NumTraits_unnamed_enum_at_home_tav_git_Sleipnir_include_sleipnir_autodiff_Variable_hpp_751_3 = R"doc()doc";
static const char *__doc_Eigen_NumTraits_unnamed_enum_at_home_tav_git_Sleipnir_include_sleipnir_autodiff_Variable_hpp_765_3 = R"doc()doc";

static const char *__doc_Eigen_NumTraits_unnamed_enum_at_home_tav_git_Sleipnir_include_sleipnir_autodiff_Variable_hpp_751_3_AddCost = R"doc()doc";
static const char *__doc_Eigen_NumTraits_unnamed_enum_at_home_tav_git_Sleipnir_include_sleipnir_autodiff_Variable_hpp_765_3_AddCost = R"doc()doc";

static const char *__doc_Eigen_NumTraits_unnamed_enum_at_home_tav_git_Sleipnir_include_sleipnir_autodiff_Variable_hpp_751_3_IsComplex = R"doc()doc";
static const char *__doc_Eigen_NumTraits_unnamed_enum_at_home_tav_git_Sleipnir_include_sleipnir_autodiff_Variable_hpp_765_3_IsComplex = R"doc()doc";

static const char *__doc_Eigen_NumTraits_unnamed_enum_at_home_tav_git_Sleipnir_include_sleipnir_autodiff_Variable_hpp_751_3_IsInteger = R"doc()doc";
static const char *__doc_Eigen_NumTraits_unnamed_enum_at_home_tav_git_Sleipnir_include_sleipnir_autodiff_Variable_hpp_765_3_IsInteger = R"doc()doc";

static const char *__doc_Eigen_NumTraits_unnamed_enum_at_home_tav_git_Sleipnir_include_sleipnir_autodiff_Variable_hpp_751_3_IsSigned = R"doc()doc";
static const char *__doc_Eigen_NumTraits_unnamed_enum_at_home_tav_git_Sleipnir_include_sleipnir_autodiff_Variable_hpp_765_3_IsSigned = R"doc()doc";

static const char *__doc_Eigen_NumTraits_unnamed_enum_at_home_tav_git_Sleipnir_include_sleipnir_autodiff_Variable_hpp_751_3_MulCost = R"doc()doc";
static const char *__doc_Eigen_NumTraits_unnamed_enum_at_home_tav_git_Sleipnir_include_sleipnir_autodiff_Variable_hpp_765_3_MulCost = R"doc()doc";

static const char *__doc_Eigen_NumTraits_unnamed_enum_at_home_tav_git_Sleipnir_include_sleipnir_autodiff_Variable_hpp_751_3_ReadCost = R"doc()doc";
static const char *__doc_Eigen_NumTraits_unnamed_enum_at_home_tav_git_Sleipnir_include_sleipnir_autodiff_Variable_hpp_765_3_ReadCost = R"doc()doc";

static const char *__doc_Eigen_NumTraits_unnamed_enum_at_home_tav_git_Sleipnir_include_sleipnir_autodiff_Variable_hpp_751_3_RequireInitialization = R"doc()doc";
static const char *__doc_Eigen_NumTraits_unnamed_enum_at_home_tav_git_Sleipnir_include_sleipnir_autodiff_Variable_hpp_765_3_RequireInitialization = R"doc()doc";

static const char *__doc_sleipnir_Block =
R"doc(Assemble a VariableMatrix from a nested list of blocks.
Expand Down Expand Up @@ -1811,19 +1811,19 @@ static const char *__doc_sleipnir_Variable_Value = R"doc(Returns the value of th

static const char *__doc_sleipnir_Variable_Variable = R"doc(Constructs a linear Variable with a value of zero.)doc";

static const char *__doc_sleipnir_Variable_Variable_2 =
R"doc(Constructs a Variable from a double.
static const char *__doc_sleipnir_Variable_Variable_2 = R"doc(Constructs an empty Variable.)doc";

Parameter ``value``:
The value of the Variable.)doc";
static const char *__doc_sleipnir_Variable_Variable_3 = R"doc()doc";

static const char *__doc_sleipnir_Variable_Variable_4 = R"doc()doc";

static const char *__doc_sleipnir_Variable_Variable_3 =
static const char *__doc_sleipnir_Variable_Variable_5 =
R"doc(Constructs a Variable pointing to the specified expression.
Parameter ``expr``:
The autodiff variable.)doc";

static const char *__doc_sleipnir_Variable_Variable_4 =
static const char *__doc_sleipnir_Variable_Variable_6 =
R"doc(Constructs a Variable pointing to the specified expression.
Parameter ``expr``:
Expand Down

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