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cleanup: make feet_to_mm signed

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Depths are pretty much universally stored using signed integers
(e.g. depth_t is signed int). For consistency, make feet_to_mm()
likewise return a signed value.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2022-01-02 18:47:48 +01:00 committed by Dirk Hohndel
parent 4f1034b605
commit efab955d85
1 changed files with 1 additions and 1 deletions
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2
core/units.h
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@ -200,7 +200,7 @@ static inline double m_to_mile(int m)
return m / 1609.344; return m / 1609.344;
} }
static inline unsigned long feet_to_mm(double feet) static inline long feet_to_mm(double feet)
{ {
return lrint(feet * 304.8); return lrint(feet * 304.8);
} }