Hi all: The attached brogram demonstrates that the bro sort() function does not sort correctly under certain circumstances (tested on OS/X & Linux). The behavior also occurs when using the common function idiom of sort(myvec, function(a: int, b: int): int { return a-b;});
I haven't examined bro source code, but since some of the test values are larger than 32 bits, I surmise that there is a casting from 64 to 32 bits that could change the sign of the comparison, thus causing this problem. Mitigation is to use a function that returns the sign of subtraction results, rather than the actual subtraction results, something like sort(myvec, function(a: int, b: int): int { return a<b ? -1 : (a>b ? 1 : 0);}); Cheers, Jim Mellander ESNet
badsort.bro
Description: Binary data
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