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[instancer-solver] remove unused normalizeValue() code

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This commit is contained in:
Qunxin Liu 2023-07-17 13:54:34 -07:00
parent 6c25c752f6
commit 5ee015ecf6
1 changed files with 0 additions and 30 deletions
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30
src/hb-subset-instancer-solver.cc
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@ -361,36 +361,6 @@ _solve (Triple tent, Triple axisLimit, bool negative = false)
return out;
}
/* Normalizes value based on a min/default/max triple. */
static inline float normalizeValue (float v, const Triple &triple, bool extrapolate = false)
{
/*
>>> normalizeValue(400, (100, 400, 900))
0.0
>>> normalizeValue(100, (100, 400, 900))
-1.0
>>> normalizeValue(650, (100, 400, 900))
0.5
*/
float lower = triple.minimum, def = triple.middle, upper = triple.maximum;
assert (lower <= def && def <= upper);
if (!extrapolate)
v = hb_max (hb_min (v, upper), lower);
if ((v == def) || (lower == upper))
return 0.f;
if ((v < def && lower != def) || (v > def && upper == def))
return (v - def) / (def - lower);
else
{
assert ((v > def && upper != def) ||
(v < def && lower == def));
return (v - def) / (upper - def);
}
}
static inline TripleDistances _reverse_triple_distances (const TripleDistances &v)
{ return TripleDistances (v.positive, v.negative); }