rename field_solver..pp to fluid_solver..pp

makefile

@@ -62,7 +62,7 @@ base_files := \
 	fftwf_tools \
 	Morton_shuffler \
 	p3DFFT_to_iR \
-	field_solver
+	fluid_solver
 
 #headers := $(patsubst %, ./src/%.hpp, ${base_files})
 src := $(patsubst %, ./src/%.cpp, ${base_files})

src/field_solver.cpp → src/fluid_solver.cpp

-#include "field_solver.hpp"
+#include "fluid_solver.hpp"
 
 ///*****************************************************************************/
 ///* generic definitions, empty by design                                      */