LMCAS::anonymous_namespace{symbolic_geometry_line.cpp} 命名空间参考

函数
Result< double >	point_difference_scale_checked (const std::vector< std::shared_ptr< SymbolicExpr > > &p1, const std::vector< std::shared_ptr< SymbolicExpr > > &p2, ComputationContext &context, const std::string &operation, std::vector< double > &p1_values, std::vector< double > &p2_values)
ExpressionResult	skew_distance_from_directions (const std::vector< std::shared_ptr< SymbolicExpr > > &direction1, const std::vector< std::shared_ptr< SymbolicExpr > > &direction2, const std::vector< std::shared_ptr< SymbolicExpr > > &difference, double point_scale, ComputationContext &context, const std::string &operation)

函数说明

point_difference_scale_checked()

Result< double > LMCAS::anonymous_namespace{symbolic_geometry_line.cpp}::point_difference_scale_checked	(	const std::vector< std::shared_ptr< SymbolicExpr > > &	p1,
		const std::vector< std::shared_ptr< SymbolicExpr > > &	p2,
		ComputationContext &	context,
		const std::string &	operation,
		std::vector< double > &	p1_values,
		std::vector< double > &	p2_values )

在文件 symbolic_geometry_line.cpp 第 17 行定义.

{
    auto p1_scale = numeric_vector_scale_checked(
        p1, context, operation, &p1_values);
    auto p2_scale = numeric_vector_scale_checked(
        p2, context, operation, &p2_values);
    if (!p1_scale &&
        (p1_scale.error().code == CasErrc::Cancelled ||
         p1_scale.error().code == CasErrc::ResourceLimit)) {
        return Result<double>::failure(p1_scale.error());
    }
    if (!p2_scale &&
        (p2_scale.error().code == CasErrc::Cancelled ||
         p2_scale.error().code == CasErrc::ResourceLimit)) {
        return Result<double>::failure(p2_scale.error());
    }
    if (!p1_scale || !p2_scale) {
        return Result<double>::success(0.0);
    }
    const double scale = std::max(p1_scale.value(), p2_scale.value());
    for (size_t i = 0; i < 3; ++i) {
        if (!std::isfinite(p2_values[i] - p1_values[i])) {
            return Result<double>::success(scale);
        }
    }
    return Result<double>::success(0.0);
}

引用了 LMCAS::Cancelled, LMCAS::context, LMCAS::Result< T >::failure(), LMCAS::geometry_detail::numeric_vector_scale_checked(), LMCAS::p2, point_difference_scale_checked(), LMCAS::ResourceLimit , 以及 LMCAS::Result< T >::success().

被这些函数引用 point_difference_scale_checked().

函数调用图:

这是这个函数的调用关系图:

skew_distance_from_directions()

ExpressionResult LMCAS::anonymous_namespace{symbolic_geometry_line.cpp}::skew_distance_from_directions	(	const std::vector< std::shared_ptr< SymbolicExpr > > &	direction1,
		const std::vector< std::shared_ptr< SymbolicExpr > > &	direction2,
		const std::vector< std::shared_ptr< SymbolicExpr > > &	difference,
		double	point_scale,
		ComputationContext &	context,
		const std::string &	operation )

在文件 symbolic_geometry_line.cpp 第 51 行定义.

{
    auto cross = vector_cross_checked(direction1, direction2, context);
    if (!cross) return ExpressionResult::failure(cross.error());
    auto cross_nonzero = checked_nonzero_numeric_vector(
        cross.value(), context, operation,
        "skew line distance requires non-parallel directions",
        "cross-product nonzero condition cannot be verified");
    if (!cross_nonzero) {
        return ExpressionResult::failure(cross_nonzero.error());
    }
    auto cross_norm_sq = vector_dot_checked(
        cross.value(), cross.value(), context);
    if (!cross_norm_sq) {
        return ExpressionResult::failure(cross_norm_sq.error());
    }
    auto cross_norm = SymbolicExpr::sqrt(cross_norm_sq.value());
    auto numerator = vector_dot_checked(difference, cross.value(), context);
    if (!numerator) return ExpressionResult::failure(numerator.error());
    auto abs_num = LMCAS::detail::make_expression_ptr(
        LMCAS::detail::make_node<FunctionNode>(
            FunctionNode::FuncType::Abs,
            std::vector<std::shared_ptr<const SymbolicNode>>{
                LMCAS::detail::node(numerator.value())}));
    auto distance = SymbolicExpr::divide(abs_num, cross_norm);
    if (point_scale != 0.0) {
        distance = SymbolicExpr::multiply(
            distance, SymbolicExpr::number(point_scale));
    }
    return simplify_checked(
        distance, operation,
        "skew line distance is outside the supported domain", context);
}

引用了 LMCAS::FunctionNode::Abs, LMCAS::geometry_detail::checked_nonzero_numeric_vector(), LMCAS::context, LMCAS::Result< std::shared_ptr< SymbolicExpr > >::failure(), LMCAS::detail::make_expression_ptr(), LMCAS::detail::make_node(), LMCAS::detail::node(), LMCAS::geometry_detail::simplify_checked(), skew_distance_from_directions(), LMCAS::vector_cross_checked() , 以及 LMCAS::vector_dot_checked().

被这些函数引用 skew_distance_from_directions().

函数调用图:

这是这个函数的调用关系图: