diff options
Diffstat (limited to 'src/elliptic/Jacobian.cc')
| -rw-r--r-- | src/elliptic/Jacobian.cc | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/elliptic/Jacobian.cc b/src/elliptic/Jacobian.cc index 58009ec..603abac 100644 --- a/src/elliptic/Jacobian.cc +++ b/src/elliptic/Jacobian.cc @@ -10,6 +10,8 @@ // dense_Jacobian::zero_row // dense_Jacobian::solve_linear_system // +// new_Jacobian +// #include <stdio.h> using std::fopen; @@ -180,3 +182,25 @@ if (info != 0) rhs_gfn, x_gfn, int(info)); /*NOTREACHED*/ } + +//****************************************************************************** +//****************************************************************************** +//****************************************************************************** + +// +// This function is an "object factory" for Jacobians: it constructs +// and returns a new-allocated Jacobian object of a specified type. +// +// FIXME: the patch system shouldn't really have to be non-const, but +// the Jacobian constructors all require this to allow the +// linear solvers to directly update gridfns +// +Jacobian& new_Jacobian(patch_system& ps, + const char Jacobian_type[]) +{ +if (STRING_EQUAL(Jacobian_type, "dense matrix")) + then return *new dense_Jacobian(ps); +else CCTK_VWarn(-1, __LINE__, __FILE__, CCTK_THORNSTRING, + "unknown Jacobian_type=\"%s\"!", + Jacobian_type); /*NOTREACHED*/ +} |