diff --git a/main.cpp b/main.cpp
index d489016..dda3de7 100644
--- a/main.cpp
+++ b/main.cpp
@@ -28,8 +28,8 @@ stim::gl_network<float> T;			//test network
 
 //hard-coded parameters
 float resample_rate = 0.5;			//sample rate for the network (fraction of sigma used as the maximum sample rate)
-float camera_factor = 1.2;			//start point of the camera as a function of X and Y size
-float orbit_factor = 0.01;			//degrees per pixel used to orbit the camera
+float camera_factor = 1.2f;			//start point of the camera as a function of X and Y size
+float orbit_factor = 0.01f;			//degrees per pixel used to orbit the camera
 
 //mouse position tracking
 int mouse_x;
@@ -78,9 +78,9 @@ void glut_render_modelview(){
 
 	glMatrixMode(GL_MODELVIEW);						//load the modelview matrix for editing
 	glLoadIdentity();								//start with the identity matrix
-	stim::vec<float> eye = cam.getPosition();		//get the camera position (eye point)
-	stim::vec<float> focus = cam.getLookAt();		//get the camera focal point
-	stim::vec<float> up = cam.getUp();				//get the camera "up" orientation
+	stim::vec3<float> eye = cam.getPosition();		//get the camera position (eye point)
+	stim::vec3<float> focus = cam.getLookAt();		//get the camera focal point
+	stim::vec3<float> up = cam.getUp();				//get the camera "up" orientation
 
 	gluLookAt(eye[0], eye[1], eye[2], focus[0], focus[1], focus[2], up[0], up[1], up[2]);	//set up the OpenGL camera
 }
@@ -170,7 +170,8 @@ void glut_initialize(){
 	
 	int myargc = 1;					//GLUT requires arguments, so create some bogus ones
 	char* myargv[1];
-	myargv [0]=strdup ("netmets");
+	myargv[0] = (char*)malloc(1);
+	myargv[0][0] = 'h';
 
 	glutInit(&myargc, myargv);									//pass bogus arguments to glutInit()
 	glutInitDisplayMode(GLUT_DEPTH | GLUT_DOUBLE | GLUT_RGBA);	//generate a color buffer, depth buffer, and enable double buffering
@@ -186,10 +187,10 @@ void glut_initialize(){
 
 	texture_initialize();					//set up texture mapping (create texture maps, enable features)
 
-	stim::vec<float> c = bb.center();		//get the center of the network bounding box
+	stim::vec3<float> c = bb.center();		//get the center of the network bounding box
 
 	//place the camera along the z-axis at a distance determined by the network size along x and y
-	cam.setPosition(c + stim::vec<float>(0, 0, camera_factor * std::max(bb.size()[0], bb.size()[1])));
+	cam.setPosition(c + stim::vec3<float>(0, 0, camera_factor * std::max(bb.size()[0], bb.size()[1])));
 	cam.LookAt(c[0], c[1], c[2]);						//look at the center of the network
 }
 
@@ -247,7 +248,7 @@ int main(int argc, char* argv[])
 	
 	if(args.nargs() == 2){			//if two files are specified, they will be displayed in neighboring viewports and compared
 		num_nets = 2;										//set the number of networks to two
-		float sigma = args["sigma"].as_float();				//get the sigma value from the user
+		float sigma = (float)args["sigma"].as_float();				//get the sigma value from the user
 		T.load_obj(args.arg(1));							//load the second (test) network
 
 		GT = GT.resample(resample_rate * sigma);			//resample both networks based on the sigma value
--
libgit2 0.21.4