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| author | Max Horn | 2007-06-28 22:21:32 +0000 |
|---|---|---|
| committer | Max Horn | 2007-06-28 22:21:32 +0000 |
| commit | f058edf860b33086f473720dc790280c563bebcb (patch) | |
| tree | 8c577a80555a4cdf130ff58f91e2481660d66d55 /common | |
| parent | 1a3724b59b4c89411c748fd3b645a627b4f599cd (diff) | |
| download | scummvm-rg350-f058edf860b33086f473720dc790280c563bebcb.tar.gz scummvm-rg350-f058edf860b33086f473720dc790280c563bebcb.tar.bz2 scummvm-rg350-f058edf860b33086f473720dc790280c563bebcb.zip | |
Switched Paula (Amiga MOD) code to use fixed point math instead of doubles (caveat: this only works for samples < 32k right now; if this ever turns out to be a problem, I can fix it, though)
svn-id: r27767
Diffstat (limited to 'common')
| -rw-r--r-- | common/frac.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/common/frac.h b/common/frac.h index 1c2c622a2c..b1e6c518d1 100644 --- a/common/frac.h +++ b/common/frac.h @@ -46,6 +46,9 @@ enum { */ typedef int32 frac_t; +inline frac_t doubleToFrac(double value) { return (frac_t)(value * FRAC_ONE); } +inline double fracToDouble(frac_t value) { return ((double)value) / FRAC_ONE; } + inline frac_t intToFrac(int16 value) { return value << FRAC_BITS; } inline int16 fracToInt(frac_t value) { return value >> FRAC_BITS; } |