* Add weblink^ math formulas how to

* add doxygen math formulas support

* remove unused files

* hotfix

* Add doxygen + cmake

* start

CMakeLists.txt

+option(BUILD_DOC "Build documentation" ON)
+
+include(CMakePrintHelpers)
+
+find_package(Doxygen)
+if (DOXYGEN_FOUND)
+    set(DOXYGEN_IN ../doxygen/config)    # doxygen config file
+
+    # option ALL allows to build the docs together with the code
+    add_custom_target( doc_doxygen ALL
+        COMMAND ${DOXYGEN_EXECUTABLE} ${DOXYGEN_IN}
+        WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} ) # WORKING_DIRECTORY: Execute the command with the given current working directory. If it is a relative path it will be interpreted relative to the build tree directory corresponding to the current source directory.
+else()
+  message("Doxygen need to be installed to generate the doxygen documentation")
+endif (DOXYGEN_FOUND)
\ No newline at end of file

COMP_DRAG.txt

-ifort -c inputdata.f90
-ifort -c param.f90
-ifort -c prmt.f90
-ifort -c drag3.F 
-ifort -c DRAG.F
-ifort -o drag.exe DRAG.o drag3.o inputdata.o param.o prmt.o 
-

DRAG.F

+      
+      !> Build the restriction matrix for the aggregation
+      !> The distance between \f$(x_1,y_1)\f$ and \f$(x_2,y_2)\f$ is 
+      !> method.
+      !> @param aggr information about the aggregates
+      !> @todo Handle special case
       PROGRAM DRAG
       USE INPUTDATA
       USE PARAM

README.md

-mini README
+Оформление мат-формул: https://www.doxygen.nl/manual/formulas.html
\ No newline at end of file

compile2.sh

-#!/bin/bash
-
-rm drag_ddt.exe *.o
-gfortran -c inputdata.f90
-gfortran -c param.f90
-gfortran -c prmt.f90
-gfortran -c drag3.f90
-gfortran -c main_drag.f90
-gfortran -o drag_ddt.exe main_drag.o drag3.o  inputdata.o param.o 
-