mirror of
https://github.com/ZDoom/gzdoom-gles.git
synced 2024-12-15 14:51:13 +00:00
65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
/*
|
|
TiMidity++ -- MIDI to WAVE converter and player
|
|
Copyright (C) 1999-2002 Masanao Izumo <mo@goice.co.jp>
|
|
Copyright (C) 1995 Tuukka Toivonen <tt@cgs.fi>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#ifndef OPTCODE_H_INCLUDED
|
|
#define OPTCODE_H_INCLUDED 1
|
|
|
|
#include <stdint.h>
|
|
|
|
namespace TimidityPlus
|
|
{
|
|
|
|
/*****************************************************************************/
|
|
|
|
|
|
/*****************************************************************************/
|
|
|
|
/* Generic version of imuldiv. */
|
|
inline int32_t imuldiv8(int32_t a, int32_t b)
|
|
{
|
|
return (int32_t)(((int64_t)(a) * (int64_t)(b)) >> 8);
|
|
}
|
|
|
|
inline int32_t imuldiv16(int32_t a, int32_t b)
|
|
{
|
|
return (int32_t)(((int64_t)(a) * (int64_t)(b)) >> 16);
|
|
}
|
|
|
|
inline int32_t imuldiv24(int32_t a, int32_t b)
|
|
{
|
|
return (int32_t)(((int64_t)(a) * (int64_t)(b)) >> 24);
|
|
}
|
|
|
|
inline int32_t imuldiv28(int32_t a, int32_t b)
|
|
{
|
|
return (int32_t)(((int64_t)(a) * (int64_t)(b)) >> 28);
|
|
}
|
|
|
|
|
|
static inline int32_t signlong(int32_t a)
|
|
{
|
|
return ((a | 0x7fffffff) >> 30);
|
|
}
|
|
|
|
|
|
}
|
|
/*****************************************************************************/
|
|
|
|
#endif /* OPTCODE_H_INCLUDED */
|