LCOV - code coverage report
Current view: top level - src/libavutil - intfloat.h (source / functions) Hit Total Coverage
Test: coverage.info Lines: 12 12 100.0 %
Date: 2017-01-24 04:42:20 Functions: 4 4 100.0 %

          Line data    Source code
       1             : /*
       2             :  * Copyright (c) 2011 Mans Rullgard
       3             :  *
       4             :  * This file is part of FFmpeg.
       5             :  *
       6             :  * FFmpeg 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.
      10             :  *
      11             :  * FFmpeg 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.
      15             :  *
      16             :  * You should have received a copy of the GNU Lesser General Public
      17             :  * License along with FFmpeg; if not, write to the Free Software
      18             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      19             :  */
      20             : 
      21             : #ifndef AVUTIL_INTFLOAT_H
      22             : #define AVUTIL_INTFLOAT_H
      23             : 
      24             : #include <stdint.h>
      25             : #include "attributes.h"
      26             : 
      27             : union av_intfloat32 {
      28             :     uint32_t i;
      29             :     float    f;
      30             : };
      31             : 
      32             : union av_intfloat64 {
      33             :     uint64_t i;
      34             :     double   f;
      35             : };
      36             : 
      37             : /**
      38             :  * Reinterpret a 32-bit integer as a float.
      39             :  */
      40      179590 : static av_always_inline float av_int2float(uint32_t i)
      41             : {
      42             :     union av_intfloat32 v;
      43      179590 :     v.i = i;
      44      179590 :     return v.f;
      45             : }
      46             : 
      47             : /**
      48             :  * Reinterpret a float as a 32-bit integer.
      49             :  */
      50     1155200 : static av_always_inline uint32_t av_float2int(float f)
      51             : {
      52             :     union av_intfloat32 v;
      53     1155200 :     v.f = f;
      54     1155200 :     return v.i;
      55             : }
      56             : 
      57             : /**
      58             :  * Reinterpret a 64-bit integer as a double.
      59             :  */
      60        1326 : static av_always_inline double av_int2double(uint64_t i)
      61             : {
      62             :     union av_intfloat64 v;
      63        1326 :     v.i = i;
      64        1326 :     return v.f;
      65             : }
      66             : 
      67             : /**
      68             :  * Reinterpret a double as a 64-bit integer.
      69             :  */
      70         240 : static av_always_inline uint64_t av_double2int(double f)
      71             : {
      72             :     union av_intfloat64 v;
      73         240 :     v.f = f;
      74         240 :     return v.i;
      75             : }
      76             : 
      77             : #endif /* AVUTIL_INTFLOAT_H */

Generated by: LCOV version 1.12