[babl] remove babl_process_cost

[Øyvind Kolås <ok src gnome org>]

commit aba8335da94c4867e04cdbad431cf7fd1e6298d6
Author: Øyvind Kolås <pippin gimp org>
Date:   Sat Nov 19 15:01:14 2016 +0100

    remove babl_process_cost

 babl/babl-conversion.c |    2 +-
 babl/babl-fish-path.c  |    4 ++--
 babl/babl-util.c       |    7 -------
 babl/babl-util.h       |    4 ----
 4 files changed, 3 insertions(+), 14 deletions(-)
---
diff --git a/babl/babl-conversion.c b/babl/babl-conversion.c
index 37453e0..dbdce50 100644
--- a/babl/babl-conversion.c
+++ b/babl/babl-conversion.c
@@ -543,7 +543,7 @@ babl_conversion_error (BablConversion *conversion)
   babl_free (ref_destination_rgba_double);
 
   conversion->error = error;
-  conversion->cost  = babl_process_cost (ticks_start, ticks_end);
+  conversion->cost  = ticks_end - ticks_start;
 
   return error;
 }
diff --git a/babl/babl-fish-path.c b/babl/babl-fish-path.c
index acad60e..51fbe69 100644
--- a/babl/babl-fish-path.c
+++ b/babl/babl-fish-path.c
@@ -606,7 +606,7 @@ init_path_instrumentation (FishPathInstrumentation *fpi,
   babl_process (fpi->fish_reference,
                 fpi->source, fpi->ref_destination, fpi->num_test_pixels);
   ticks_end = babl_ticks ();
-  fpi->reference_cost = babl_process_cost (ticks_start, ticks_end);
+  fpi->reference_cost = ticks_end - ticks_start;
 
   /* transform the reference destination buffer to RGBA */
   babl_process (fpi->fish_destination_to_rgba,
@@ -682,7 +682,7 @@ get_path_instrumentation (FishPathInstrumentation *fpi,
   ticks_start = babl_ticks ();
   process_conversion_path (path, fpi->source, source_bpp, fpi->destination, dest_bpp, fpi->num_test_pixels);
   ticks_end = babl_ticks ();
-  *path_cost = babl_process_cost (ticks_start, ticks_end);
+  *path_cost = ticks_end - ticks_start;
 
   /* transform the reference and the actual destination buffers to RGBA
    * for comparison with each other
diff --git a/babl/babl-util.c b/babl/babl-util.c
index b9dd1e4..01a5e97 100644
--- a/babl/babl-util.c
+++ b/babl/babl-util.c
@@ -80,13 +80,6 @@ babl_ticks (void)
 }
 #endif
 
-long
-babl_process_cost (long ticks_start,
-                   long ticks_end)
-{
-  return (ticks_end - ticks_start);
-}
-
 double
 babl_rel_avg_error (const double *imgA,
                     const double *imgB,
diff --git a/babl/babl-util.h b/babl/babl-util.h
index e04120e..05ebdf4 100644
--- a/babl/babl-util.h
+++ b/babl/babl-util.h
@@ -22,10 +22,6 @@
 long
 babl_ticks     (void);
 
-long
-babl_process_cost (long ticks_start,
-                   long ticks_end);
-
 double
 babl_rel_avg_error (const double *imgA,
                     const double *imgB,