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Refactor dynamics lat/lon parsing

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Using C++11 idioms, and avoid conversion to C strings for atof
This commit is contained in:
James Turner 2020-07-21 11:52:32 +01:00
parent f5f3054a7a
commit 3893754537
1 changed files with 10 additions and 15 deletions
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25
src/Airports/dynamicloader.cxx
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@ -38,22 +38,17 @@ using std::string;
****************************************************************************/
static double processPosition(const string &pos)
{
string prefix;
string subs;
string degree;
string decimal;
int sign = 1;
double value;
subs = pos;
prefix= subs.substr(0,1);
if (prefix == string("S") || (prefix == string("W")))
sign = -1;
subs = subs.substr(1, subs.length());
degree = subs.substr(0, subs.find(" ",0));
decimal = subs.substr(subs.find(" ",0), subs.length());
string subs{pos};
int sign = 1;
const auto prefix = subs.substr(0, 1);
if (prefix == "S" || (prefix == "W"))
sign = -1;
subs = subs.substr(1, subs.length()); // drop first character
const auto spacePos = subs.find(" ", 0);
const auto degree = subs.substr(0, spacePos);
const auto decimal = subs.substr(spacePos, subs.length());
value = sign * (atof(degree.c_str()) + atof(decimal.c_str())/60.0);
return value;
return sign * stoi(degree) + (stof(decimal) / 60.0);
}
FGGroundNetXMLLoader::FGGroundNetXMLLoader(FGGroundNetwork* net):