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fix the ascii art to make sense

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This commit is contained in:
Kajari Ghosh 2018-04-25 11:08:22 -04:00 committed by Patrick Niklaus
parent b0f2ef287e
commit 1bc3ff6491
1 changed files with 8 additions and 8 deletions
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16
src/engine/routing_algorithms/many_to_many_ch.cpp
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@ -286,12 +286,13 @@ void calculateDistances(typename SearchEngineData<ch::Algorithm>::ManyToManyQuer
}
else
{
// there is no shortcut to unpack. source and target are on the same EBG Node.
// if the offset of the target is greater than the offset of the source, subtract it
if (target_phantom.GetForwardDistance() > source_phantom.GetForwardDistance())
{
// ............ <-- calculateEGBAnnotation returns distance from 0 to 3
// ->s -->t <-- offsets
// --..........++++ <-- subtract source offset and add target offset
// .............. <-- want this distance as result
// --------->t <-- offsets
// ->s <-- subtract source offset from target offset
// ......... <-- want this distance as result
// entry 0---1---2---3--- <-- 3 is exit node
EdgeDistance offset =
target_phantom.GetForwardDistance() - source_phantom.GetForwardDistance();
@ -299,10 +300,9 @@ void calculateDistances(typename SearchEngineData<ch::Algorithm>::ManyToManyQuer
}
else
{
// ............ <-- calculateEGBAnnotation returns distance from 0 to 3
// s<--------<--t <-- GetReverseDistance() returns this offset
// ---.........++++ <-- subtract source offset and add target offset
// ............. <-- want this distance as result
// s<--- <-- offsets
// t<--------- <-- subtract source offset from target offset
// ...... <-- want this distance as result
// entry 0---1---2---3--- <-- 3 is exit node
EdgeDistance offset =
target_phantom.GetReverseDistance() - source_phantom.GetReverseDistance();