/usr/include/tse3/util/MulDiv.h is in libtse3-dev 0.3.1-4.3ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | /*
* @(#)util/MulDiv.h 3.00 4 February 2002
*
* Copyright (c) 2002 Pete Goodliffe (pete@cthree.org)
*
* This file is part of TSE3 - the Trax Sequencer Engine version 3.00.
*
* This library is modifiable/redistributable under the terms of the GNU
* General Public License.
*
* You should have received a copy of the GNU General Public License along
* with this program; see the file COPYING. If not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#ifndef TSE3_UTIL_MULDIV_H
#define TSE3_UTIL_MULDIV_H
namespace TSE3
{
namespace Util
{
/**
* A utility function for doing muldiv calculations very quickly on
* platforms with no floating point support. It performs
* a multiplication and a divison. It used because most systems have 32
* bit integers and we want multiplication/division that can cope with
* overflows.
*
* @param val Value to perform muldiv on
* @param num Numerator
* @param div Divisor
* @return val * num / div (which coped with integer overflows)
*/
extern int muldiv(int val, int num, int div);
}
}
#endif
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