[x265] [PATCH 1 of 5] testbench: fix bug on seed 0x55EFB6F4, the numNonZero can't be Zero

[Deepthi Nandakumar]

I accidentally pushed this to the stable branch, which was wrong - since
the checkC1C2 primitive didnt exist on the stable branch, and the tip was
broken for a few hours.

Both stable and default tips have been fixed now.

On Fri, Sep 25, 2015 at 5:45 AM, Min Chen <chenm003 at 163.com> wrote:

> # HG changeset patch
> # User Min Chen <chenm003 at 163.com>
> # Date 1443138808 18000
> # Node ID 58128ae6e4d8ec857a52537c75602421d67ff549
> # Parent  975352b2c0223b9139aad233b43eaf2113ac8167
> testbench: fix bug on seed 0x55EFB6F4, the numNonZero can't be Zero
> ---
>  source/test/pixelharness.cpp |    6 ++++++
>  1 files changed, 6 insertions(+), 0 deletions(-)
>
> diff -r 975352b2c022 -r 58128ae6e4d8 source/test/pixelharness.cpp
> --- a/source/test/pixelharness.cpp      Wed Sep 23 16:19:48 2015 +0530
> +++ b/source/test/pixelharness.cpp      Thu Sep 24 18:53:28 2015 -0500
> @@ -2,6 +2,7 @@
>   * Copyright (C) 2013 x265 project
>   *
>   * Authors: Steve Borho <steve at borho.org>
> + *          Min Chen <chenm003 at 163.com>
>   *
>   * This program is free software; you can redistribute it and/or modify
>   * it under the terms of the GNU General Public License as published by
> @@ -1788,6 +1789,11 @@
>                  numNonZero++;
>              }
>          }
> +        if (numNonZero == 0)
> +        {
> +            numNonZero = 1;
> +            absCoeff[0] = 1;
> +        }
>
>          int ref_sum = ref(absCoeff, (intptr_t)numNonZero, ref_baseCtx,
> (intptr_t)rand_offset);
>          int opt_sum = (int)checked(opt, absCoeff, (intptr_t)numNonZero,
> opt_baseCtx, (intptr_t)rand_offset);
>
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