[Mesa-dev] [PATCH] swr: [rasterizer] Include cmath for std::isnan and std::isinf.

[Rowley, Timothy O]

Reviewed-by: Tim Rowley <timothy.o.rowley at intel.com>

> On May 9, 2016, at 11:52 PM, Jose Fonseca <jfonseca at vmware.com> wrote:
> 
> On 09/05/16 16:46, Vinson Lee wrote:
>> This patch fixes this build error.
>> 
>>   CXX      rasterizer/memory/libswrAVX_la-ClearTile.lo
>> In file included from rasterizer/memory/ClearTile.cpp:34:0:
>> ./rasterizer/memory/Convert.h: In function ‘uint16_t Convert32To16Float(float)’:
>> ./rasterizer/memory/Convert.h:170:9: error: ‘__builtin_isnan’ is not a member of ‘std’
>>      if (std::isnan(val))
>>          ^
>> ./rasterizer/memory/Convert.h:170:9: note: suggested alternative:
>> <built-in>: note:   ‘__builtin_isnan’
>> ./rasterizer/memory/Convert.h:176:14: error: ‘__builtin_isinf_sign’ is not a member of ‘std’
>>      else if (std::isinf(val))
>>               ^
>> ./rasterizer/memory/Convert.h:176:14: note: suggested alternative:
>> <built-in>: note:   ‘__builtin_isinf_sign’
>> 
>> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=95180
>> Signed-off-by: Vinson Lee <vlee at freedesktop.org>
>> ---
>>  src/gallium/drivers/swr/rasterizer/memory/Convert.h | 2 ++
>>  1 file changed, 2 insertions(+)
>> 
>> diff --git a/src/gallium/drivers/swr/rasterizer/memory/Convert.h b/src/gallium/drivers/swr/rasterizer/memory/Convert.h
>> index 4c4642f..42b973c 100644
>> --- a/src/gallium/drivers/swr/rasterizer/memory/Convert.h
>> +++ b/src/gallium/drivers/swr/rasterizer/memory/Convert.h
>> @@ -32,6 +32,8 @@
>>  #pragma warning(disable: 4723)
>>  #endif
>> 
>> +#include <cmath>
>> +
>>  //////////////////////////////////////////////////////////////////////////
>>  /// @brief Convert an IEEE 754 16-bit float to an 32-bit single precision
>>  ///        float
>> 
> 
> Looks good to me.
> 
> Reviewed-by: Jose Fonseca <jfonseca at vmware.com>
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