From 996916a493fb55437208e50a3a9fda7c04423747 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Sun, 9 Sep 2018 12:15:07 +0200
Subject: Extract result path generation

---
 boltz.cc            | 3 ++-
 src/fluid_buffer.cc | 4 ++--
 src/fluid_buffer.h  | 3 ++-
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/boltz.cc b/boltz.cc
index 6f8788e..092814e 100644
--- a/boltz.cc
+++ b/boltz.cc
@@ -1,5 +1,6 @@
 #include <iostream>
 #include <vector>
+#include <string>
 #include <algorithm>
 
 #include "lbm.h"
@@ -106,7 +107,7 @@ int main() {
 		if ( t % 100 == 0 ) {
 			std::cout << ".";
 			std::cout.flush();
-			fluid.writeAsVTK(t);
+			fluid.writeAsVTK("result/data_t" + std::to_string(t) + ".vtk");
 		}
 	}
 
diff --git a/src/fluid_buffer.cc b/src/fluid_buffer.cc
index e73c818..1f40d2f 100644
--- a/src/fluid_buffer.cc
+++ b/src/fluid_buffer.cc
@@ -32,9 +32,9 @@ Velocity& FluidBuffer::velocity(Vector<std::size_t> pos) {
 	return velocity(pos[0], pos[1]);
 }
 
-void FluidBuffer::writeAsVTK(int time) {
+void FluidBuffer::writeAsVTK(const std::string& path) {
 	std::ofstream fout;
-	fout.open(("result/data_t" + std::to_string(time) + ".vtk").c_str());
+	fout.open(path.c_str());
 
 	fout << "# vtk DataFile Version 3.0\n";
 	fout << "lbm_output\n";
diff --git a/src/fluid_buffer.h b/src/fluid_buffer.h
index 1d802c0..72518bb 100644
--- a/src/fluid_buffer.h
+++ b/src/fluid_buffer.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <memory>
+#include <string>
 
 #include "vector.h"
 
@@ -27,5 +28,5 @@ public:
 	Velocity& velocity(std::size_t x, std::size_t y);
 	Velocity& velocity(Vector<std::size_t> pos);
 
-	void writeAsVTK(int time);
+	void writeAsVTK(const std::string& path);
 };
-- 
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