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rational: don't flip if null

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Fixes issue where flipped rationals would erroneously create a NaN.

Fixes #1641
Fixes #1642
This commit is contained in:
itsmattkc
2021-05-24 16:04:46 +10:00
parent ef31c3fb1a
commit 4de0a72786
1 changed files with 3 additions and 1 deletions
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app/common/rational.cpp
+3 -1
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@@ -142,7 +142,9 @@ rational rational::flipped() const
void rational::flip() void rational::flip()
{ {
std::swap(denom_, numer_); if (!isNull()) {
std::swap(denom_, numer_);
}
} }
bool rational::isNull() const bool rational::isNull() const