2 * Copyright (c) 2011 Mans Rullgard
4 * This file is part of Libav.
6 * Libav is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * Libav is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with Libav; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef AVUTIL_INTFLOAT_H
22 #define AVUTIL_INTFLOAT_H
25 #include "attributes.h"
38 * Reinterpret a 32-bit integer as a float.
40 static av_always_inline float av_int2float(uint32_t i)
42 union av_intfloat32 v = { .i = i };
47 * Reinterpret a float as a 32-bit integer.
49 static av_always_inline uint32_t av_float2int(float f)
51 union av_intfloat32 v = { .f = f };
56 * Reinterpret a 64-bit integer as a double.
58 static av_always_inline double av_int2double(uint64_t i)
60 union av_intfloat64 v = { .i = i };
65 * Reinterpret a double as a 64-bit integer.
67 static av_always_inline uint64_t av_double2int(double f)
69 union av_intfloat64 v = { .f = f };
73 #endif /* AVUTIL_INTFLOAT_H */