PeerStreamer

#if !HAVE_EXP2

#undef exp2

#define exp2(x) exp((x) * 0.693147180559945)

#endif /* HAVE_EXP2 */

#if !HAVE_EXP2F

#undef exp2f

#define exp2f(x) ((float)exp2(x))

#endif /* HAVE_EXP2F */

#if !HAVE_LLRINT

#undef llrint

#define llrint(x) ((long long)rint(x))

#endif /* HAVE_LLRINT */

#if !HAVE_LOG2

#undef log2

#define log2(x) (log(x) * 1.44269504088896340736)

#endif /* HAVE_LOG2 */

#if !HAVE_LOG2F

#undef log2f

#define log2f(x) ((float)log2(x))

#endif /* HAVE_LOG2F */

#if !HAVE_LRINT

static av_always_inline av_const long int lrint(double x)

{

    return rint(x);

}

#endif /* HAVE_LRINT */

#if !HAVE_LRINTF

static av_always_inline av_const long int lrintf(float x)

{

    return (int)(rint(x));

}

#endif /* HAVE_LRINTF */

#if !HAVE_ROUND

static av_always_inline av_const double round(double x)

{

    return (x > 0) ? floor(x + 0.5) : ceil(x - 0.5);

}

#endif /* HAVE_ROUND */

#if !HAVE_ROUNDF

static av_always_inline av_const float roundf(float x)

{

    return (x > 0) ? floor(x + 0.5) : ceil(x - 0.5);

}

#endif /* HAVE_ROUNDF */

#if !HAVE_TRUNCF

static av_always_inline av_const float truncf(float x)

{

    return (x > 0) ? floor(x) : ceil(x);

}

#endif /* HAVE_TRUNCF */