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ErgFile: fix distance precision issues (#3435)

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When parsing a "distance slope wind" type, a truncate to integers was done
after computation to meters. This involved rounding issues that were
accumulated, and were quite visible when such a file was used to synchronized
with an RLV video (the slope changes happened "too early").
This commit is contained in:
Adrien Guinet
2020-06-02 01:53:53 +02:00
committed by GitHub
parent 6ca1bd9a9c
commit 77bbca0a16
1 changed files with 2 additions and 2 deletions
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4
src/Train/ErgFile.cpp
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@@ -620,7 +620,7 @@ void ErgFile::parseComputrainer(QString p)
// distance guff
add.x = rdist;
int distance = absoluteSlope.cap(1).toDouble() * 1000; // convert to meters
double distance = absoluteSlope.cap(1).toDouble() * 1000.; // convert to meters
if (!bIsMetric) distance *= KM_PER_MILE;
rdist += distance;
@@ -628,7 +628,7 @@ void ErgFile::parseComputrainer(QString p)
// gradient and altitude
add.val = absoluteSlope.cap(2).toDouble();
add.y = ralt;
ralt += distance * add.val / 100; /* paused */
ralt += distance * add.val / 100.; /* paused */
Points.append(add);
if (add.y > MaxWatts) MaxWatts=add.y;