Martin Storsjö <[email protected]> writes:
> ---
> configure | 4 ++++
> libavutil/libm.h | 21 +++++++++++++++++++++
> 2 files changed, 25 insertions(+)
>
> diff --git a/configure b/configure
> index d3795e4..0f85f9a 100755
> --- a/configure
> +++ b/configure
> @@ -1095,6 +1095,8 @@ HAVE_LIST="
> inline_asm
> io_h
> isatty
> + isinf
> + isnan
> jack_port_get_latency_range
> ldbrx
> libdc1394_1
> @@ -2926,6 +2928,8 @@ enabled vaapi && require vaapi va/va.h vaInitialize -lva
> check_mathfunc cbrtf
> check_mathfunc exp2
> check_mathfunc exp2f
> +check_mathfunc isnan
> +check_mathfunc isinf
> check_mathfunc llrint
> check_mathfunc llrintf
> check_mathfunc log2
Please maintain alphabetical order.</diego>
> diff --git a/libavutil/libm.h b/libavutil/libm.h
> index b6d8a94..8748403 100644
> --- a/libavutil/libm.h
> +++ b/libavutil/libm.h
> @@ -27,6 +27,7 @@
> #include <math.h>
> #include "config.h"
> #include "attributes.h"
> +#include "intfloat.h"
>
> #if !HAVE_CBRTF
> static av_always_inline float cbrtf(float x)
> @@ -45,6 +46,26 @@ static av_always_inline float cbrtf(float x)
> #define exp2f(x) ((float)exp2(x))
> #endif /* HAVE_EXP2F */
>
> +#if !HAVE_ISNAN
> +static av_always_inline av_const int isnan(float x)
> +{
> + uint32_t v = av_float2int(x);
> + if ((v & 0x7f800000) != 0x7f800000)
> + return 0;
> + return v & 0x007fffff;
> +}
> +#endif /* HAVE_ISNAN */
> +
> +#if !HAVE_ISINF
> +static av_always_inline av_const int isinf(double x)
You forgot a double there.
> +{
> + uint32_t v = av_float2int(x);
> + if ((v & 0x7f800000) != 0x7f800000)
> + return 0;
> + return !(v & 0x007fffff);
> +}
> +#endif /* HAVE_ISINF */
> +
> #if !HAVE_LLRINT
> #undef llrint
> #define llrint(x) ((long long)rint(x))
> --
Looks OK otherwise.
--
Måns Rullgård
[email protected]
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