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Altera_Forum
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11 years ago

ulong data type behaves as uint using emulator

Hi, I have a problem with arithmetics using ulong values. E.g. I try to do something like this (it's an OpenCL code): ulong A = 0; A = A - 1; And I thought I should get 0xffffffffff...
Altera_Forum's avatar
Altera_Forum
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11 years ago

As I think you figured out, the printf format string is interpreted by the host system because that's where the output ends up. Since Windows systems interpret long as 32b, it was truncating the results when printing with %lx. %llx on Windows should work as expected.