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Use references when catching polymorphic exceptions

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krcroft 2020-03-31 14:40:19 -07:00 • committed by Patryk Obara
parent 3aa27e0491
commit 73e22747e7
1 changed files with 4 additions and 3 deletions
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7
include/support.h
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@ -46,6 +46,7 @@
*/
template<typename T>
T to_finite(const std::string& input) {
// Defensively set NaN from the get-go
T result = std::numeric_limits<T>::quiet_NaN();
size_t bytes_read = 0;
try {
@ -53,9 +54,9 @@ T to_finite(const std::string& input) {
if (!input.empty() && bytes_read == input.size())
result = static_cast<T>(interim);
}
// handle exceptions that stod may throw
catch (std::invalid_argument e) {}
catch (std::out_of_range e) {}
// Capture expected exceptions stod may throw
catch (std::invalid_argument &e) {}
catch (std::out_of_range &e) {}
return result;
}