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Mac Mania 4
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Sound
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SoundEffects 0.9.2
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SoundEffects Developer’s Kit
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Interfaces
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ModTypeConversion.c
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C/C++ Source or Header
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1994-11-10
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615b
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29 lines
#include "ModTypeConversion.h"
#include <SANE.h>
// REQUIRES THE SANE LIBRARY
void MyUnsignedFix2Double(Fixed myFixed, double *myDouble)
{
*myDouble = (long)((myFixed >> 16L) & 0x0000FFFF) + ((double)(myFixed & 0x0000FFFF) / 65536.0);
}
void MyX2UnsignedFix(extended *myX, Fixed *myFixed)
{
double myDouble;
x80tox96(myX, &myDouble);
MyDouble2UnsignedFix(&myDouble, myFixed);
}
void MyDouble2UnsignedFix(double *myDouble, Fixed *myFixed)
{
if (*myDouble < 65536.0)
*myFixed = (((long)*myDouble) << 16L) | ( (long)((*myDouble-((long)*myDouble)) * 65536.0) & 0xFFFF);
else
*myFixed = 0xFFFFFFFF;
}