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proper conversion from floating point offset to integer nsec

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This commit is contained in:
Jeff Hill
2001-06-06 19:33:25 +00:00
parent b6479bbc80
commit 06bec39aa7
1 changed files with 2 additions and 2 deletions
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4
src/libCom/osi/epicsTime.cpp
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@@ -461,7 +461,7 @@ epicsTime epicsTime::operator + (const double &rhs) const
if (rhs >= 0) {
secOffset = static_cast <unsigned long> (rhs);
fnsec = rhs - secOffset;
nSecOffset = static_cast <unsigned long> (fnsec * nSecPerSec);
nSecOffset = static_cast <unsigned long> ( (fnsec * nSecPerSec) + 0.5 );
newSec = this->secPastEpoch + secOffset; // overflow expected
newNSec = this->nSec + nSecOffset;
@@ -473,7 +473,7 @@ epicsTime epicsTime::operator + (const double &rhs) const
else {
secOffset = static_cast <unsigned long> (-rhs);
fnsec = rhs + secOffset;
nSecOffset = static_cast <unsigned long> (-fnsec * nSecPerSec);
nSecOffset = static_cast <unsigned long> ( (-fnsec * nSecPerSec) + 0.5 );
newSec = this->secPastEpoch - secOffset; // underflow expected
if (this->nSec>=nSecOffset) {