double Value::asDouble() const {
switch (type_) {
case intValue:
return static_cast<double>(value_.int_);
case uintValue:
#if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
return static_cast<double>(value_.uint_);
#else // if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
return integerToDouble(value_.uint_);
#endif // if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
case realValue:
return value_.real_;
case nullValue:
return 0.0;
case booleanValue:
return value_.bool_ ? 1.0 : 0.0;
default:
break;
}
JSON_FAIL_MESSAGE("Value is not convertible to double.");
}
float Value::asFloat() const {
switch (type_) {
case intValue:
return static_cast<float>(value_.int_);
case uintValue:
#if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
return static_cast<float>(value_.uint_);
#else // if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
// This can fail (silently?) if the value is bigger than MAX_FLOAT.
return static_cast<float>(integerToDouble(value_.uint_));
#endif // if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
case realValue:
return static_cast<float>(value_.real_);
case nullValue:
return 0.0;
case booleanValue:
return value_.bool_ ? 1.0f : 0.0f;
default:
break;
}
JSON_FAIL_MESSAGE("Value is not convertible to float.");
}
static inline bool InRange(double d, T min, U max) {
return d >= integerToDouble(min) && d <= integerToDouble(max);
}