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| author | Robin Gareus <robin@gareus.org> | 2017-09-23 18:59:39 +0200 |
|---|---|---|
| committer | Robin Gareus <robin@gareus.org> | 2017-09-23 18:59:39 +0200 |
| commit | a9c8a25fc4240e0df3f87316d94989d53cc67747 (patch) | |
| tree | 42d06408909646c4a7ddb85251a2fdfa0ea48171 /libs/ardour/parameter_descriptor.cc | |
| parent | d50c7382036d4c6f5f9c6db5fb52ecb0caa44047 (diff) | |
prefer floor() over round(), this avoids "-0"
GUI interface values are always in the range 0..1 so there's no abiguity
with trunc()
Diffstat (limited to 'libs/ardour/parameter_descriptor.cc')
| -rw-r--r-- | libs/ardour/parameter_descriptor.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libs/ardour/parameter_descriptor.cc b/libs/ardour/parameter_descriptor.cc index 7ba89140e9..0bc81fa064 100644 --- a/libs/ardour/parameter_descriptor.cc +++ b/libs/ardour/parameter_descriptor.cc @@ -384,7 +384,7 @@ ParameterDescriptor::from_interface (float val) const * e.g. 5 integers 0,1,2,3,4 are mapped to a fader * [0.0 .. 0.2 | 0.2 .. 0.4 | 0.4 .. 0.6 | 0.6 .. 0.8 | 0.8 .. 1.0] */ - val = round (lower + val * (1.f + upper - lower) - .5f); + val = floor (lower + val * (1.f + upper - lower)); } else if (rangesteps > 1) { /* similar to above, but for float controls */ val = floor (val * (rangesteps - 1.f)) / (rangesteps - 1.f); // XXX |