/*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <math.h>
#include "config.h"
#include "attributes.h"
+#include "intfloat.h"
+
+#if !HAVE_ATANF
+#undef atanf
+#define atanf(x) ((float)atan(x))
+#endif
+
+#if !HAVE_ATAN2F
+#undef atan2f
+#define atan2f(y, x) ((float)atan2(y, x))
+#endif
+
+#if !HAVE_POWF
+#undef powf
+#define powf(x, y) ((float)pow(x, y))
+#endif
+
+#if !HAVE_CBRTF
+static av_always_inline float cbrtf(float x)
+{
+ return x < 0 ? -powf(-x, 1.0 / 3.0) : powf(x, 1.0 / 3.0);
+}
+#endif
+
+#if !HAVE_COSF
+#undef cosf
+#define cosf(x) ((float)cos(x))
+#endif
+
+#if !HAVE_EXPF
+#undef expf
+#define expf(x) ((float)exp(x))
+#endif
#if !HAVE_EXP2
#undef exp2
#define exp2f(x) ((float)exp2(x))
#endif /* HAVE_EXP2F */
+#if !HAVE_ISINF
+static av_always_inline av_const int isinf(float x)
+{
+ uint32_t v = av_float2int(x);
+ if ((v & 0x7f800000) != 0x7f800000)
+ return 0;
+ return !(v & 0x007fffff);
+}
+#endif /* HAVE_ISINF */
+
+#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_LDEXPF
+#undef ldexpf
+#define ldexpf(x, exp) ((float)ldexp(x, exp))
+#endif
+
#if !HAVE_LLRINT
#undef llrint
#define llrint(x) ((long long)rint(x))
#endif /* HAVE_LLRINT */
+#if !HAVE_LLRINTF
+#undef llrintf
+#define llrintf(x) ((long long)rint(x))
+#endif /* HAVE_LLRINT */
+
#if !HAVE_LOG2
#undef log2
#define log2(x) (log(x) * 1.44269504088896340736)
#define log2f(x) ((float)log2(x))
#endif /* HAVE_LOG2F */
+#if !HAVE_LOG10F
+#undef log10f
+#define log10f(x) ((float)log10(x))
+#endif
+
+#if !HAVE_SINF
+#undef sinf
+#define sinf(x) ((float)sin(x))
+#endif
+
+#if !HAVE_RINT
+static inline double rint(double x)
+{
+ return x >= 0 ? floor(x + 0.5) : ceil(x - 0.5);
+}
+#endif /* HAVE_RINT */
+
#if !HAVE_LRINT
static av_always_inline av_const long int lrint(double x)
{
}
#endif /* HAVE_ROUNDF */
+#if !HAVE_TRUNC
+static av_always_inline av_const double trunc(double x)
+{
+ return (x > 0) ? floor(x) : ceil(x);
+}
+#endif /* HAVE_TRUNC */
+
#if !HAVE_TRUNCF
static av_always_inline av_const float truncf(float x)
{