[FFmpeg-devel] [PATCH] lavu/libm: add erf hack

[James Almer]

On 12/19/2015 11:34 PM, Ganesh Ajjanagadde wrote:
> +/**
> + * erf function
> + * Algorithm taken from the Boost project, source:
> + * http://www.boost.org/doc/libs/1_46_1/boost/math/special_functions/erf.hpp
> + * Use, modification and distribution are subject to the
> + * Boost Software License, Version 1.0 (see notice below).
> + * Boost Software License - Version 1.0 - August 17th, 2003
> +Permission is hereby granted, free of charge, to any person or organization
> +obtaining a copy of the software and accompanying documentation covered by
> +this license (the "Software") to use, reproduce, display, distribute,
> +execute, and transmit the Software, and to prepare derivative works of the
> +Software, and to permit third-parties to whom the Software is furnished to
> +do so, all subject to the following:
> +
> +The copyright notices in the Software and this entire statement, including
> +the above license grant, this restriction and the following disclaimer,
> +must be included in all copies of the Software, in whole or in part, and
> +all derivative works of the Software, unless such copies or derivative
> +works are solely in the form of machine-executable object code generated by
> +a source language processor.
> +
> +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> +FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
> +SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
> +FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
> +ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
> +DEALINGS IN THE SOFTWARE.
> + */

Unrelated to the actual patch, but how about instead doing what the FAQ section
of http://www.boost.org/users/license.html mentions and adding the Boost license
in a separate file?
That way, only the short four line snippet mentioned there would be needed here
and in swr/resample.c