[FFmpeg-devel] [PATCH] Define INFINITIY and NAN in mathematics.h if missing

[Måns Rullgård]

Michael Niedermayer <michaelni at gmx.at> writes:

> On Sun, Aug 09, 2009 at 01:11:43PM +0100, Mans Rullgard wrote:
>> ---
>>  libavutil/mathematics.h |    6 ++++++
>>  1 files changed, 6 insertions(+), 0 deletions(-)
>> 
>> diff --git a/libavutil/mathematics.h b/libavutil/mathematics.h
>> index 782efcc..cb35910 100644
>> --- a/libavutil/mathematics.h
>> +++ b/libavutil/mathematics.h
>> @@ -41,6 +41,12 @@
>>  #ifndef M_SQRT1_2
>>  #define M_SQRT1_2      0.70710678118654752440  /* 1/sqrt(2) */
>>  #endif
>> +#ifndef NAN
>> +#define NAN            (0.0/0.0)
>> +#endif
>> +#ifndef INFINITY
>> +#define INFINITY       (1.0/0.0)
>> +#endif
>
> ok if it does fix a real issue (compile failure or so)

Yes, some systems I want to support are missing these.  Applied.

-- 
M?ns Rullg?rd
mans at mansr.com