![]() ![]() Your question has been asked and answered, as far as I'm concerned. Results in 7 stored into x, not 6 if 2.4 were converted to type int first (it is not !). Finally, you should use the latest version of Python, since it often includes new features and bug fixes that can help you avoid overflow errors. Type long long was introduced into the language much later.Īlso, in C, the type of the left-hand side of an assignment does not influence the type of the right-hand side. If you are using a third-party library, you should check its documentation to see how to prevent overflow errors. IIRC, type long long constants can be indicated by appending "LL" (e.g. greater than 32767 or less than -32768) or by appending "L" (e.g. Unless indicated otherwise, subexpressions with just type char, short and int operands are converted to type int for evaluation.Ĭonstants can be treated as type long either by their magnitude (i.e. But it has been 20 years since then I've forgotten the details. I programmed in C professionally for 20 years. So what?!īTW, original C does indeed behave like VBA in this respect, according to my first-edition copy of "The C Programming Language" by Kernighan and Ritchie. So the rules for VBA might indeed be different from C, Java and any other programming language. In post#6, I explained VBA's rules as they relate to your example. The point is: each language - natural or programming - has its own rules. But German requires that we use the correct gender ("der", "die" or "das"). We are talking about the implicit and explicit type of constants and constant expressions per se.Įnglish does not need (nor does it have) a gender-specific article ("the") before nouns. ![]() Your example deals with constants, not variables. It you would have to twist my arm to use type Integer, since most modern computers have sufficient memory and cache to handle megabytes of data. The only exception might be if you are allocating a humungous array of such values.Įven then, I would not use Single because it causes problems when type Single values are stored into Excel cells (type Double). When using Dim and Const, "always" use type Long and Double, not Integer and Single. In the old days, type-Double arithmetic was many times slower than type-Long arithmetic.ġ + 60000*2 works without our doing anything special because VBA must treat 60000 as type Long, since it already exceeds 32767. The latter causes type-Double arithmetic to be performed. Th remedy is to ensure that at least one operand is type Long or Double. And since both operands of multiply (*) are type Integer, VBA does a type-Integer multiplication, which is limited to 32767, the largest type Integer. The problem arises because 30000 and 2 are small enough that VBA treats them as type Integer. ![]()
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