From 22baedd972429c03c4c4d836a11f81f646ce0c92 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@gmail.com>
Date: Mon, 6 Feb 2012 10:11:22 -0500
Subject: Add debugging tests for NaN values.

---
 libdimension/canvas.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'libdimension/canvas.c')

diff --git a/libdimension/canvas.c b/libdimension/canvas.c
index 2bcc502..8671402 100644
--- a/libdimension/canvas.c
+++ b/libdimension/canvas.c
@@ -72,6 +72,7 @@ dmnsn_canvas_set_pixel(dmnsn_canvas *canvas, size_t x, size_t y,
 {
   dmnsn_assert(x < canvas->width && y < canvas->height,
                "Canvas access out of bounds.");
+  dmnsn_assert(!dmnsn_tcolor_isnan(tcolor), "Pixel has NaN component.");
 
   /* Set the pixel */
   canvas->pixels[y*canvas->width + x] = tcolor;
-- 
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