void SeqDenseMumpsSolve(IssmDouble *uf, int uf_M, int uf_n, IssmDouble *Kff, int Kff_M, int Kff_N, int Kff_m, IssmDouble *pf, int pf_M, int pf_m, Parameters *parameters)
void MpiDenseMumpsSolve(IssmDouble *uf, int uf_M, int uf_m, IssmDouble *Kff, int Kff_M, int Kff_N, int Kff_m, IssmDouble *pf, int pf_M, int pf_m, Parameters *parameters)