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Merge #11508: Fix crash via division by zero assertion 

207408b Fix crash via division by zero assertion (Jonas Schnelli)

Pull request description:

  Replaces the newly added `assert` for a devision by zero protection by a control structure. Floating point division by zero is defined by the floating point standard and results in +inf or -inf.

  Introduced in #11133
  Reported by @mzhou, fixes #11501

Tree-SHA512: ac9b4efa3ba52a2aa246fb11170128c4aaf829fd491b649524c85069c6ed33ae612e761809aea9d9a44bdea29a417b3f3a558226495094b5070a42a56b2ac77e
This commit is contained in:
Wladimir J. van der Laan 2017-10-18 15:22:30 +02:00
parent 26fee4f6bd 207408b088
commit ffa5159cef
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1 changed files with 1 additions and 2 deletions
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3
src/qt/coincontroldialog.cpp
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@ -582,8 +582,7 @@ void CoinControlDialog::updateLabels(WalletModel *model, QDialog* dialog)
QString toolTipDust = tr("This label turns red if any recipient receives an amount smaller than the current dust threshold.");
// how many satoshis the estimated fee can vary per byte we guess wrong
assert(nBytes != 0);
double dFeeVary = (double)nPayFee / nBytes;
double dFeeVary = (nBytes != 0) ? (double)nPayFee / nBytes : 0;
QString toolTip4 = tr("Can vary +/- %1 satoshi(s) per input.").arg(dFeeVary);