Detailed Description

Scalar copy operation: transfers one double from a VariableArray into the per-thread symbol table using a precomputed byte offset. The variable field is carried only for error messages.

Definition at line 30 of file Function.cpp.

Public Member Functions
	ScalarCopyOp (VariableArray const &base, VariableArray::Scalar *dst, Variable var)
void	apply (VariableArray const &src) const

Public Attributes
std::ptrdiff_t	src_offset
	byte offset from VariableArray start
double *	dst_ptr
	pointer into this thread's symbol table
Variable	variable
	for error messages

Constructor & Destructor Documentation

◆ ScalarCopyOp()

MaterialPropertyLib::ScalarCopyOp::ScalarCopyOp	(	VariableArray const &	base,
		VariableArray::Scalar *	dst,
		Variable	var )

inline

Definition at line 36 of file Function.cpp.

        : src_offset{reinterpret_cast<char const*>(dst) -
                     reinterpret_cast<char const*>(&base)},
          dst_ptr{dst},
          variable{var}
    {
    }

References dst_ptr, src_offset, and variable.

Member Function Documentation

◆ apply()

void MaterialPropertyLib::ScalarCopyOp::apply ( VariableArray const & src ) const

inline

Definition at line 46 of file Function.cpp.

    {
        double const val = *reinterpret_cast<double const*>(
            reinterpret_cast<char const*>(&src) + src_offset);
        if (std::isnan(val))
        {
            OGS_FATAL(
                "Function property: Scalar variable '{:s}' is not "
                "initialized.",
                variable_enum_to_string[static_cast<int>(variable)]);
        }
        *dst_ptr = val;
    }