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Coding - GeomTools performance update #19

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Update size of buffer for the brep parsing according standard
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dpasukhi 2024-04-14 10:12:01 +00:00 committed by dpasukhi
parent 819ae9a55f
commit 4bda7ebe40
1 changed files with 12 additions and 7 deletions
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19
src/GeomTools/GeomTools.cxx
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@ -96,16 +96,21 @@ Handle(GeomTools_UndefinedTypeHandler) GeomTools::GetUndefinedTypeHandler()
//purpose :
//=======================================================================
void GeomTools::GetReal(Standard_IStream& IS,Standard_Real& theValue)
void GeomTools::GetReal(Standard_IStream& IS, Standard_Real& theValue)
{
theValue = 0.;
if (IS.eof())
if (IS.eof())
{
return;
}
// According IEEE-754 Specification and standard stream parameters
// the most optimal buffer length not less then 25
constexpr size_t THE_BUFFER_SIZE = 32;
char aBuffer[THE_BUFFER_SIZE];
char buffer[256];
buffer[0] = '\0';
std::streamsize anOldWide = IS.width(256);
IS >> buffer;
aBuffer[0] = '\0';
std::streamsize anOldWide = IS.width(THE_BUFFER_SIZE - 1);
IS >> aBuffer;
IS.width(anOldWide);
theValue = Strtod(buffer, NULL);
theValue = Strtod(aBuffer, nullptr);
}