added test framework

test/Makefile

@@ -0,0 +1,24 @@
+TARGET = tests
+LIBS = -lm
+CC = c++
+CFLAGS = -g -Wall
+
+.PHONY: default all clean
+
+default: $(TARGET)
+all: default
+
+OBJECTS = $(patsubst %.cpp, %.o, $(wildcard *.cpp))
+HEADERS = $(wildcard *.hpp)
+
+%.o: %.cpp $(HEADERS)
+    $(CC) $(CFLAGS) -c $< -o $@
+
+.PRECIOUS: $(TARGET) $(OBJECTS)
+
+$(TARGET): $(OBJECTS)
+    $(CC) $(OBJECTS) -Wall $(LIBS) -o $@
+
+clean:
+    -rm -f *.o
+    -rm -f $(TARGET)

test/all.cpp

@@ -0,0 +1,2 @@
+#define CATCH_CONFIG_MAIN
+#include "catch.hpp"

test/install.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+echo "Installing Catch..."
+
+wget https://raw.githubusercontent.com/philsquared/Catch/develop/single_include/catch.hpp
+
+echo "All done!"