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35 lines
No EOL
685 B
Text
35 lines
No EOL
685 B
Text
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module Measurement;
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export {
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redef enum Calculation += {
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## Find the minimum value.
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MIN
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};
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redef record ResultVal += {
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## For numeric data, this tracks the minimum value given.
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min: double &optional;
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};
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}
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hook add_to_reducer_hook(r: Reducer, val: double, data: DataPoint, rv: ResultVal)
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{
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if ( MIN in r$apply )
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{
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if ( ! rv?$min )
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rv$min = val;
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else if ( val < rv$min )
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rv$min = val;
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}
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}
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hook compose_resultvals_hook(result: ResultVal, rv1: ResultVal, rv2: ResultVal)
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{
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if ( rv1?$min && rv2?$min )
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result$min = (rv1$min < rv2$min) ? rv1$min : rv2$min;
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else if ( rv1?$min )
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result$min = rv1$min;
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else if ( rv2?$min )
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result$min = rv2$min;
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} |