use precision 4

1 files changed, 8 insertions, 10 deletions

diff --git a/src/pnmcurvedit.cxx b/src/pnmcurvedit.cxx
index 52a473d..3c12229 100644
--- a/src/pnmcurvedit.cxx
+++ b/src/pnmcurvedit.cxx
@@ -25,7 +25,7 @@ static void editor_cb(Fl_Widget* o, void* d) {
 		if (i != 0)
 			printf(",");
 		ce->get_point(i, &x, &y);
-		printf("%g:%g", x, y);
+		printf("%.4f:%.4f", x, y);
 	}
 	printf("\n");
 	fflush(stdout);
@@ -37,28 +37,26 @@ stdin_cb(int fd, void *d) {
 
 	fgets(cmd, sizeof(cmd), stdin);
 
-	for (int i = strlen(cmd) - 1; i >= 0; i--) {
+	for (int i = strlen(cmd) - 1; i >= 0; i--)
 		if (isspace(cmd[i])) {
 			cmd[i] = '\0';
 			if (curve)
 				break;
-		} else {
+		} else
 			curve = &cmd[i];
-		}
-	}
 
 	if (curve) {
-		double X, Y;
+		double x, y;
 		char *pstr;
 
 		ce->clear();
 		while (pstr = strsep(&curve, ",")) {
-			if (sscanf(pstr, "%lf:%lf", &X, &Y) != 2 ||
-				X < 0 || X > 1 || Y < 0 || Y > 1) {
+			if (sscanf(pstr, "%lf:%lf", &x, &y) != 2 ||
+				y < 0 || x > 1 || y < 0 || y > 1) {
 				fprintf(stderr, "Could not parse control point %s.\n", pstr);
 				continue;
 			}       
-			ce->add_point(X, Y);
+			ce->add_point(x, y);
 		} 
 	}
 }
@@ -68,7 +66,7 @@ main(int argc, char **argv) {
 	Fl_Double_Window window(800, 600, "pnmcurvedit");
 	ce = new CurveEditor(0, 0, 800, 600);
 	ce->add_point(0.0, 0.0);
-	ce->add_point(0.5, 0.4);
+	ce->add_point(0.5, 0.5);
 	ce->add_point(1.0, 1.0);
 	ce->callback(editor_cb, NULL);