Using Visual Studio 2015 Community, I want to create a console application in C++. If I use file-->new-->project, and try to find a suitable template, I can find console application under win32. Does "win32" imply it will be for a 32 bit machine (runnable on a 64 bit machine, ub not optimum)? Is there some other route I should be taking if I'm only interested in 64 bit machines?
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A 64-bit OS does not mean you should use 64-bit executables. 64-bit exes are considerably slower in most cases than 32-bit running on the same hardware. You only need to target 64-bit if you need to allocate extremely large amounts of memory (> 2GB) or have a very specific need to use 64-bit registers and operations. – Ken White Feb 03 '17 at 19:08
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Thanks. I won't need too much memory, but I'm interested in doing arithmetic on 64 bit integers. – Gerard Ashton Feb 03 '17 at 19:47
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You can do math on 64-bit integers without creating a 64-bit application. 32-bit applications support 64-bit integers and have for decades now. – Ken White Feb 03 '17 at 19:58