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BUG: parse issues for nastran long format (closes #589)

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This commit is contained in:
Mark Olesen
2017-09-15 10:40:55 +02:00
parent 0eeffc318b
commit 071dfb36fd
3 changed files with 22 additions and 32 deletions
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25
src/fileFormats/nas/NASCore.C
View File

@ -34,28 +34,33 @@ Foam::fileFormats::NASCore::NASCore()
// * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
Foam::scalar Foam::fileFormats::NASCore::parseNASCoord
(
const string& s
)
Foam::scalar Foam::fileFormats::NASCore::parseNASCoord(const string& s)
{
size_t expSign = s.find_last_of("+-");
scalar value = 0;
if (expSign != string::npos && expSign > 0 && !isspace(s[expSign-1]))
const size_t expSign = s.find_last_of("+-");
if (expSign != std::string::npos && expSign > 0 && !isspace(s[expSign-1]))
{
scalar mantissa = readScalar(IStringStream(s.substr(0, expSign))());
scalar exponent = readScalar(IStringStream(s.substr(expSign+1))());
scalar exponent = 0;
// Parse as per strtod/strtof - allowing trailing space or [Ee]
readScalar(s.substr(0, expSign).c_str(), value); // mantissa
readScalar(s.substr(expSign+1).c_str(), exponent);
if (s[expSign] == '-')
{
exponent = -exponent;
}
return mantissa * pow(10, exponent);
value *= ::pow(10, exponent);
}
else
{
return readScalar(IStringStream(s)());
readScalar(s.c_str(), value);
}
return value;
}

4
src/fileFormats/nas/NASCore.H
View File

@ -55,8 +55,8 @@ public:
// Public Member Functions
//- Do weird things to extract number
static scalar parseNASCoord(const string&);
//- Extract numbers from things like "-2.358-8" (same as "-2.358e-8")
static scalar parseNASCoord(const string& s);
// Constructors