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/* | |
* @file | |
* @short This file is included by qatomicmathematicians_p.h | |
* if you need some includes, put them in qabstractfloatmathematician_p.h, outside of the namespace. | |
*/ | |
template <const bool isDouble> | |
Item AbstractFloatMathematician<isDouble>::calculate(const Item &o1, | |
const Operator op, | |
const Item &o2, | |
const QExplicitlySharedDataPointer<DynamicContext> &context) const | |
{ | |
const Numeric *const num1 = o1.template as<Numeric>(); | |
const Numeric *const num2 = o2.template as<Numeric>(); | |
switch(op) | |
{ | |
case Div: | |
return toItem(AbstractFloat<isDouble>::fromValue(num1->toDouble() / num2->toDouble())); | |
case IDiv: | |
{ | |
if(num1->isNaN() || num2->isNaN()) | |
{ | |
context->error(QtXmlPatterns::tr("No operand in an integer division, %1, can be %2.") | |
.arg(formatKeyword("idiv")) | |
.arg(formatData("NaN")), | |
ReportContext::FOAR0002, this); | |
} | |
else if(num1->isInf()) | |
{ | |
context->error(QtXmlPatterns::tr("The first operand in an integer division, %1, cannot be infinity (%2).") | |
.arg(formatKeyword("idiv")) | |
.arg(formatData("INF")), | |
ReportContext::FOAR0002, this); | |
} | |
else if(num2->toInteger() == 0) | |
context->error(QtXmlPatterns::tr("The second operand in a division, %1, cannot be zero (%2).") | |
.arg(formatKeyword("idiv")) | |
.arg(formatData("0")), | |
ReportContext::FOAR0001, this); | |
return Integer::fromValue(static_cast<xsInteger>(num1->toDouble() / num2->toDouble())); | |
} | |
case Substract: | |
return toItem(AbstractFloat<isDouble>::fromValue(num1->toDouble() - num2->toDouble())); | |
case Mod: | |
return toItem(AbstractFloat<isDouble>::fromValue(::fmod(num1->toDouble(), num2->toDouble()))); | |
case Multiply: | |
return toItem(AbstractFloat<isDouble>::fromValue(num1->toDouble() * num2->toDouble())); | |
case Add: | |
return toItem(AbstractFloat<isDouble>::fromValue(num1->toDouble() + num2->toDouble())); | |
} | |
Q_ASSERT(false); | |
return Item(); /* GCC unbarfer. */ | |
} | |