RLINE_mpi_v1.3
WORK IN PROGRESS

This is a new version of the parallelized R-LINE v1.2, that includes:


PARALLELIZATION
 
- Solved bug in the indexation on the parallelization of the sources
  using more than one group.
- Parallelization in source, receptor and meteorology step.


MAJOR CHANGES IN SUBROUTINES

- Includes sigmaz as a input for sigmay to avoid its inner computation.
  This means that a computation for sigmaz outside the sigmay 
  function is added in Analytical_Line_Source.f90.
- Includes a look-up table for sigmaz to avoid the loop sigmaz-zbar-ueff-
  sigmaz-... as a subroutine that can be called at the beginning of the
  program. It is set as a option in Line_Source_Inputs.txt.


MINOR CHANGES IN SUBROUTINES

- Analytical_Line_Source.f90: Changed exp for expx where used. Avoided
  double computation of sigmaz in several lines of the code.
- Effective_Wind.f90: Changed exp for expx where used.
- MOST_Wind.f90: Changed exp for expx where used.

Using this version of RLINE, the computation of the example set by the
authors (2 groups of sources with 4 sources each group), in a receptor
grid of *** points, improves the computation time in a ***% (from **+-** s
to **+-** s).
