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Be kind to the optimizer, pass coordinates by value (just two ints)

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This commit is contained in:
Daniel J. Hofmann
2016-01-21 13:07:24 +01:00
committed by Patrick Niklaus
parent 46fc6f8da4
commit d391df52ba
17 changed files with 165 additions and 162 deletions
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src/engine/douglas_peucker.cpp
+3 -3
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@@ -20,8 +20,8 @@ namespace
struct CoordinatePairCalculator
{
CoordinatePairCalculator() = delete;
CoordinatePairCalculator(const util::FixedPointCoordinate &coordinate_a,
const util::FixedPointCoordinate &coordinate_b)
CoordinatePairCalculator(const util::FixedPointCoordinate coordinate_a,
const util::FixedPointCoordinate coordinate_b)
{
// initialize distance calculator with two fixed coordinates a, b
first_lat = (coordinate_a.lat / COORDINATE_PRECISION) * util::RAD;
@@ -30,7 +30,7 @@ struct CoordinatePairCalculator
second_lon = (coordinate_b.lon / COORDINATE_PRECISION) * util::RAD;
}
int operator()(util::FixedPointCoordinate &other) const
int operator()(const util::FixedPointCoordinate other) const
{
// set third coordinate c
const float float_lat1 = (other.lat / COORDINATE_PRECISION) * util::RAD;