On Thu, Nov 26, 2015 at 11:58:10AM -0500, Ganesh Ajjanagadde wrote: > Reviewed-by: Ronald S. Bultje <rsbul...@gmail.com> > Signed-off-by: Ganesh Ajjanagadde <gajjanaga...@gmail.com> > --- > libavutil/tablegen.h | 33 +++++++++++++++++++++++++++++++++ > 1 file changed, 33 insertions(+) > create mode 100644 libavutil/tablegen.h > > diff --git a/libavutil/tablegen.h b/libavutil/tablegen.h > new file mode 100644 > index 0000000..01c8eea > --- /dev/null > +++ b/libavutil/tablegen.h > @@ -0,0 +1,33 @@ > +/* > + * This file is part of FFmpeg. > + * > + * FFmpeg is free software; you can redistribute it and/or > + * modify it under the terms of the GNU Lesser General Public > + * License as published by the Free Software Foundation; either > + * version 2.1 of the License, or (at your option) any later version. > + * > + * FFmpeg is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU > + * Lesser General Public License for more details. > + * > + * You should have received a copy of the GNU Lesser General Public > + * License along with FFmpeg; if not, write to the Free Software > + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 > USA > + */ > + > +/** > + * @file > + * Compatibility libm for table generation files > + */ > + > +#ifndef AVUTIL_TABLEGEN_H > +#define AVUTIL_TABLEGEN_H > + > +// we lack some functions on all host platforms, and we don't care about > +// performance as it's performed at build time > +#define cbrt(x) pow(x, 1.0 / 3)
> +#define llrint(x) floor((x) + 0.5) > +#define lrint(x) floor((x) + 0.5) > + does it work for x < 0? -- Clément B.
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