add function integration, tests and docs

docs/build/html/_sources/fit.rst.txt

@@ -1,7 +0,0 @@
-fit module
-==========
-
-.. automodule:: fit
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/build/html/_sources/modules.rst.txt

@@ -6,7 +6,5 @@ src
 
    data
    date
-   fit
    geometry
-   solver
-   solver_model
+   numerical

docs/build/html/_sources/numerical.rst.txt

@@ -0,0 +1,46 @@
+numerical package
+=================
+
+Submodules
+----------
+
+numerical.fit module
+--------------------
+
+.. automodule:: numerical.fit
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+numerical.integration module
+----------------------------
+
+.. automodule:: numerical.integration
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+numerical.ode module
+--------------------
+
+.. automodule:: numerical.ode
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+numerical.ode\_model module
+---------------------------
+
+.. automodule:: numerical.ode_model
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+
+Module contents
+---------------
+
+.. automodule:: numerical
+    :members:
+    :undoc-members:
+    :show-inheritance:

docs/build/html/_sources/solver.rst.txt

@@ -1,7 +0,0 @@
-solver module
-=============
-
-.. automodule:: solver
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/build/html/_sources/solver_model.rst.txt

@@ -1,7 +0,0 @@
-solver\_model module
-====================
-
-.. automodule:: solver_model
-    :members:
-    :undoc-members:
-    :show-inheritance: