Calls ECOS_solve on an existing workspace created by
ECOS_setup. The workspace can be solved multiple
times, optionally with ECOS_update calls in between
to change numerical data.
ECOS_solve(workspace, control = NULL)an external pointer of class "ecos_workspace"
as returned by ECOS_setup.
optional named list of solver parameters (see
ecos.control). If NULL (the default), the
settings from ECOS_setup (or the most recent
ECOS_solve call with non-NULL control) are reused.
the same result list as ECOS_csolve.