Minor update to language regarding CVODE use of general linear solver interfaces.
@@ -89,15 +89,12 @@ programs included with {\cvode}, offer considerable assistance in
building preconditioners.
\index{CVODE@{\cvode} linear solvers!implementation details|(}
-Each {\cvode} linear solver interface consists of four routines,
+Each {\cvode} linear solver interface consists of four primary phases,
devoted to (1) memory allocation and initialization, (2) setup of the
matrix data involved, (3) solution of the system, and (4) freeing of memory.
The setup and solution phases are separate because the evaluation of
Jacobians and preconditioners is done only periodically during the
-integration, and only as required to achieve convergence. The call list within
-the central {\cvode} module to each of the four associated functions is
-fixed, thus allowing the central module to be completely independent
-of the linear system method.
+integration, and only as required to achieve convergence.
\index{CVODE@{\cvode} linear solvers!implementation details|)}
{\cvode} also provides two preconditioner modules, for use with any of
