StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
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52 lines
1.5 KiB
52 lines
1.5 KiB
4 years ago
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"use strict"
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function compileSearch(funcName, predicate, reversed, extraArgs, earlyOut) {
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var code = [
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"function ", funcName, "(a,l,h,", extraArgs.join(","), "){",
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earlyOut ? "" : "var i=", (reversed ? "l-1" : "h+1"),
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";while(l<=h){var m=(l+h)>>>1,x=a[m]"]
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if(earlyOut) {
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if(predicate.indexOf("c") < 0) {
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code.push(";if(x===y){return m}else if(x<=y){")
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} else {
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code.push(";var p=c(x,y);if(p===0){return m}else if(p<=0){")
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}
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} else {
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code.push(";if(", predicate, "){i=m;")
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}
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if(reversed) {
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code.push("l=m+1}else{h=m-1}")
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} else {
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code.push("h=m-1}else{l=m+1}")
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}
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code.push("}")
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if(earlyOut) {
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code.push("return -1};")
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} else {
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code.push("return i};")
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}
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return code.join("")
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}
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function compileBoundsSearch(predicate, reversed, suffix, earlyOut) {
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var result = new Function([
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compileSearch("A", "x" + predicate + "y", reversed, ["y"], earlyOut),
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compileSearch("P", "c(x,y)" + predicate + "0", reversed, ["y", "c"], earlyOut),
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"function dispatchBsearch", suffix, "(a,y,c,l,h){\
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if(typeof(c)==='function'){\
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return P(a,(l===void 0)?0:l|0,(h===void 0)?a.length-1:h|0,y,c)\
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}else{\
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return A(a,(c===void 0)?0:c|0,(l===void 0)?a.length-1:l|0,y)\
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}}\
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return dispatchBsearch", suffix].join(""))
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return result()
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}
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module.exports = {
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ge: compileBoundsSearch(">=", false, "GE"),
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gt: compileBoundsSearch(">", false, "GT"),
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lt: compileBoundsSearch("<", true, "LT"),
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le: compileBoundsSearch("<=", true, "LE"),
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eq: compileBoundsSearch("-", true, "EQ", true)
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}
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