[apps/probability] Tidy calculation subclasses in a folder

Change-Id: I75cfdb11128b06961fc53288cd121799f6e31002

apps/probability/Makefile

@@ -1,10 +1,9 @@
 app_objs += $(addprefix apps/probability/,\
   app.o\
-  calculation.o\
-  left_integral_calculation.o\
-  right_integral_calculation.o\
-  finite_integral_calculation.o\
-  calculation.o\
+  calculation/calculation.o\
+  calculation/left_integral_calculation.o\
+  calculation/right_integral_calculation.o\
+  calculation/finite_integral_calculation.o\
   calculation_controller.o\
   cell.o\
   image_table_view.o\

apps/probability/calculation/calculation.h

@@ -1,7 +1,7 @@
 #ifndef PROBABILITE_CALCULATION_H
 #define PROBABILITE_CALCULATION_H
 
-#include "law/law.h"
+#include "../law/law.h"
 
 namespace Probability {
 

apps/probability/calculation_controller.cpp

@@ -1,6 +1,9 @@
 #include "calculation_controller.h"
 #include "../constant.h"
 #include "../apps_container.h"
+#include "calculation/left_integral_calculation.h"
+#include "calculation/right_integral_calculation.h"
+#include "calculation/finite_integral_calculation.h"
 #include <assert.h>
 
 namespace Probability {

apps/probability/calculation_controller.h

@@ -5,6 +5,7 @@
 #include "law/law.h"
 #include "law_curve_view.h"
 #include "image_table_view.h"
+#include "calculation/calculation.h"
 
 namespace Probability {
 

apps/probability/image_table_view.h

@@ -2,9 +2,7 @@
 #define PROBABILITY_IMAGE_TABLE_VIEW_H
 
 #include <escher.h>
-#include "left_integral_calculation.h"
-#include "right_integral_calculation.h"
-#include "finite_integral_calculation.h"
+#include "calculation/calculation.h"
 
 namespace Probability {