On Thu, Mar 6, 2014 at 11:44 AM, Rafaël Carré <[email protected]> wrote: > On 03/05/14 18:06, Steve Borho wrote: >> On Wed, Mar 5, 2014 at 4:38 AM, Rafaël Carré <[email protected]> wrote: >>> --- >>> source/encoder/weightPrediction.cpp | 2 +- >>> 1 file changed, 1 insertion(+), 1 deletion(-) >>> >>> diff --git a/source/encoder/weightPrediction.cpp >>> b/source/encoder/weightPrediction.cpp >>> index c04361a..c0710fd 100644 >>> --- a/source/encoder/weightPrediction.cpp >>> +++ b/source/encoder/weightPrediction.cpp >>> @@ -203,7 +203,7 @@ bool WeightPrediction::checkDenom(int denom) >>> uint64_t fencVar = fenc->wp_ssd[yuv] + !ref->wp_ssd[yuv]; >>> uint64_t refVar = ref->wp_ssd[yuv] + !ref->wp_ssd[yuv]; >>> if (fencVar && refVar) >>> - guessScale[yuv] = Clip3(-2.f, 1.8f, >>> std::sqrt((float)fencVar / refVar)); >>> + guessScale[yuv] = Clip3(-2.f, 1.8f, >>> sqrtf((float)fencVar / refVar)); >> >> Is something wrong with std::sqrt? > > I got: > x265/source/encoder/weightPrediction.cpp:206:57: error: 'sqrt' is not a > member of 'std' > > With g++ 4.8.2 > > Full command line is : > > cd /home/fun/x265/source/encoder && /usr/bin/c++ -DHAVE_INT_TYPES_H=1 > -DHIGH_BIT_DEPTH=0 -DLOG_CU_STATISTICS=0 -DX265_ARCH_X86=1 -DX86_64=1 > -O2 -g -DNDEBUG -I/home/fun/x265/source/. -I/home/fun/x265/source/Lib > -I/home/fun/x265/source/common -I/home/fun/x265/source/encoder > -I/home/fun/x265/source -Wall -Wextra -Wshadow -ffast-math > -mstackrealign -fPIC -o CMakeFiles/encoder.dir/weightPrediction.cpp.o -c > /home/fun/x265/source/encoder/weightPrediction.cpp > > Perhaps I am missing a -stdc++=something that was added later?
No, I don't believe so. I build this regularly with gcc 4.8.1 on both Linux and MinGW. http://en.cppreference.com/w/cpp/numeric/math/sqrt Does adding #include <cmath> to the file help? -- Steve Borho _______________________________________________ x265-devel mailing list [email protected] https://mailman.videolan.org/listinfo/x265-devel
