[gegl/samplers] clearer minmod comments in gegl-sampler-lohalo.c

[Nicolas Robidoux <nrobidoux src gnome org>]

commit 9c5b00cceb02cc9ce089ba35ed8ee6aa85377812
Author: Nicolas Robidoux <nicolas robidoux gmail com>
Date:   Sat Jun 18 11:06:52 2011 -0400

    clearer minmod comments in gegl-sampler-lohalo.c

 gegl/buffer/gegl-sampler-lohalo.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gegl/buffer/gegl-sampler-lohalo.c b/gegl/buffer/gegl-sampler-lohalo.c
index ebda3e9..111e7e9 100644
--- a/gegl/buffer/gegl-sampler-lohalo.c
+++ b/gegl/buffer/gegl-sampler-lohalo.c
@@ -110,7 +110,7 @@
  * branch is taken when a=0 (or when a=b), which is why the above
  * versions are not as effective for images with regions with constant
  * pixel values (or regions with pixel values which vary linearly or
- * bilinearly).
+ * bilinearly, since we apply minmod to pairs of slopes).
  *
  * The following versions are more suitable for images with flat
  * (constant) colour areas, since a, which is a pixel difference, will
@@ -126,7 +126,7 @@
  * ( (a_times_b)>=0. ? ( (a_times_a)<=(a_times_b) ? (a) : (b) ) : 0. )
  *
  * The first variants of both versions, which add one multiplication,
- * may be faster for compilers which replace nested "conditional
+ * may be faster with a compiler that replaces nested "conditional
  * moves" by branches.
  */
 #define LOHALO_MINMOD(a,b,a_times_a,a_times_b) \