diff options
Diffstat (limited to 'Plugins/tools.h')
-rw-r--r-- | Plugins/tools.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/Plugins/tools.h b/Plugins/tools.h new file mode 100644 index 0000000..272ff63 --- /dev/null +++ b/Plugins/tools.h @@ -0,0 +1,15 @@ +// +// some small helpers +// +// written by olaf.matthes@gmx.de +// + +// scale an input f that goes from il to ih to go from ol to oh +__inline long scl(long f, long il, long ih, long ol, long oh) +{ + long or = abs(oh-ol); + long ir = abs(ih-il); + float ratio = or/ir; + long steps = f-il; + return(steps*ratio+ol); +} |