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Squashed 'libraries/ZMusic/' content from commit ac3e232b00

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git-subtree-dir: libraries/ZMusic
git-subtree-split: ac3e232b001129c740b7b65196ae0e1b13b82513
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Rachael Alexanderson 2025-07-30 00:24:15 -04:00
commit 9f3cb3d92e
852 changed files with 381622 additions and 0 deletions
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65
thirdparty/timidityplus/timiditypp/optcode.h vendored Normal file
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/*
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 */