tests: drop bc dependency

Message ID 1424464441-26674-1-git-send-email-martin@martin.st
State Committed
Commit a982c5d74fbc7ff5bd2f2f73af61ae48e9b1bcc6
Headers show

Commit Message

Martin Storsjö Feb. 20, 2015, 8:34 p.m.
From: Clément Bœsch <u@pkh.me>

We already have a dependency on awk and bc is sometimes not found in the
base system.
---
 doc/platform.texi | 4 +---
 tests/fate-run.sh | 2 +-
 2 files changed, 2 insertions(+), 4 deletions(-)

Comments

Luca Barbato Feb. 20, 2015, 9:19 p.m. | #1
On 20/02/15 21:34, Martin Storsjö wrote:
> From: Clément Bœsch <u@pkh.me>
>
> We already have a dependency on awk and bc is sometimes not found in the
> base system.
> ---
>   doc/platform.texi | 4 +---
>   tests/fate-run.sh | 2 +-
>   2 files changed, 2 insertions(+), 4 deletions(-)
>

Fine for me.

Patch

diff --git a/doc/platform.texi b/doc/platform.texi
index 300c9ad..edd7577 100644
--- a/doc/platform.texi
+++ b/doc/platform.texi
@@ -130,8 +130,6 @@  You will need the following prerequisites:
 @item @uref{http://msys2.github.io/, MSYS2}
 @item @uref{http://yasm.tortall.net/, YASM}
 (Also available via MSYS2's package manager.)
-@item @uref{http://gnuwin32.sourceforge.net/packages/bc.htm, bc for Windows} if
-you want to run @uref{fate.html, FATE}.
 @end itemize
 
 To set up a proper environment in MSYS2, you need to run @code{msys_shell.bat} from
@@ -278,7 +276,7 @@  binutils, gcc4-core, make, git, mingw-runtime, texi2html
 
 In order to run FATE you will also need the following "Utils" packages:
 @example
-bc, diffutils
+diffutils
 @end example
 
 If you want to build Libav with additional libraries, download Cygwin
diff --git a/tests/fate-run.sh b/tests/fate-run.sh
index 91de177..f8de182 100755
--- a/tests/fate-run.sh
+++ b/tests/fate-run.sh
@@ -38,7 +38,7 @@  target_path(){
 # $1=value1, $2=value2, $3=threshold
 # prints 0 if absolute difference between value1 and value2 is <= threshold
 compare(){
-    echo "scale=2; v = $1 - $2; if (v < 0) v = -v; if (v > $3) r = 1; r" | bc
+    awk "BEGIN { v = $1 - $2; printf ((v < 0 ? -v : v) > $3) }"
 }
 
 do_tiny_psnr(){