- Visual C++源码
- Visual Basic源码
- C++ Builder源码
- Java源码
- Delphi源码
- C/C++源码
- PHP源码
- Perl源码
- Python源码
- Asm源码
- Pascal源码
- Borland C++源码
- Others源码
- SQL源码
- VBScript源码
- JavaScript源码
- ASP/ASPX源码
- C#源码
- Flash/ActionScript源码
- matlab源码
- PowerBuilder源码
- LabView源码
- Flex源码
- MathCAD源码
- VBA源码
- IDL源码
- Lisp/Scheme源码
- VHDL源码
- Objective-C源码
- Fortran源码
- tcl/tk源码
- QT源码
utils.c
资源名称:SHINE.rar [点击查看]
上传用户:shenggui01
上传日期:2022-01-16
资源大小:54k
文件大小:1k
源码类别:
mpeg/mp3
开发平台:
C/C++
- /* utils.c
- *
- * 32 bit fractional multiplication. Requires 64 bit integer support.
- */
- /* Fractional multiply. */
- long mul(long x, long y)
- {
- return (long)(((long long)x * (long long)y) >> 32);
- }
- /* Left justified fractional multiply. */
- long muls(long x, long y)
- {
- return (long)(((long long)x * (long long)y) >> 31);
- }
- /* Fractional multiply with rounding. */
- long mulr(long x, long y)
- {
- return (long)((((long long)x * (long long)y) + 0x80000000) >> 32);
- }
- /* Left justified fractional multiply with rounding. */
- long mulsr(long x, long y)
- {
- return (long)((((long long)x * (long long)y) + 0x40000000) >> 31);
- }