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Bypass double precision issues in CComSystem::isSameFrequency

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This commit is contained in:
Mat Sutcliffe
2023-03-12 17:00:22 +00:00
parent d1b1ee9c06
commit b43d093b67
1 changed files with 1 additions and 0 deletions
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src/blackmisc/aviation/comsystem.cpp
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@@ -183,6 +183,7 @@ namespace BlackMisc::Aviation
{ {
if (freq1.isNull() || freq2.isNull()) { return false; } if (freq1.isNull() || freq2.isNull()) { return false; }
if (freq1 == freq2) { return true; } // shortcut for many of such comparisons if (freq1 == freq2) { return true; } // shortcut for many of such comparisons
if (freq1.valueInteger(CFrequencyUnit::kHz()) == freq2.valueInteger(CFrequencyUnit::kHz())) { return true; }
// .x20 == .x25 and .x70 == .x75 // .x20 == .x25 and .x70 == .x75
const int freq1End = static_cast<int>(freq1.value(CFrequencyUnit::kHz())) % 100; const int freq1End = static_cast<int>(freq1.value(CFrequencyUnit::kHz())) % 100;
const int freq2End = static_cast<int>(freq2.value(CFrequencyUnit::kHz())) % 100; const int freq2End = static_cast<int>(freq2.value(CFrequencyUnit::kHz())) % 100;