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tests: drop bc dependency

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We already have a dependency on awk and bc is sometimes not found in the
base system.

Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit a982c5d74f)
Signed-off-by: Timothy Gu <timothygu99@gmail.com>

Conflicts:
	doc/platform.texi
This commit is contained in:
Clément Bœsch 2015-01-19 22:56:59 +01:00 committed by Timothy Gu
parent a2ad7fdb3a
commit 346c4f0ad0
2 changed files with 2 additions and 4 deletions
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4
doc/platform.texi
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@ -135,8 +135,6 @@ You will need the following prerequisites:
(if using MSVC 2012 or earlier)
@item @uref{http://www.mingw.org/, MSYS}
@item @uref{http://yasm.tortall.net/, YASM}
@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 MSYS, you need to run @code{msys.bat} from
@ -283,7 +281,7 @@ binutils, gcc4-core, make, git, mingw-runtime, texinfo
In order to run FATE you will also need the following "Utils" packages:
@example
bc, diffutils
diffutils
@end example
If you want to build FFmpeg with additional libraries, download Cygwin

2
tests/fate-run.sh
View File

@ -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(){