StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
54 lines
1.2 KiB
54 lines
1.2 KiB
4 years ago
|
'use strict'
|
||
|
|
|
||
|
|
var tape = require('tape')
|
||
|
|
var rv = require('../index')
|
||
|
|
var round = require('../to-float')
|
||
|
|
|
||
|
|
tape('exact rational', function(t) {
|
||
|
|
|
||
|
|
function verify(v) {
|
||
|
|
t.equals(round(rv(v)).toString(), v.toString(), 'verify: ' + v.toString())
|
||
|
|
}
|
||
|
|
|
||
|
|
verify([5e-324, 1.4210854715202004e-14])
|
||
|
|
verify([0, 3.2159095049723066e-24])
|
||
|
|
verify([5e-324, 4.04007015999455e-25])
|
||
|
|
verify([5e-324,4.830474736584587e-26])
|
||
|
|
|
||
|
|
verify([Math.pow(2,1023)])
|
||
|
|
verify([Math.pow(2,-1074)])
|
||
|
|
verify([Math.pow(2,-1074), Math.pow(2,1023)])
|
||
|
|
|
||
|
|
verify([0.1])
|
||
|
|
verify([1.5])
|
||
|
|
verify([Math.pow(2, 500)])
|
||
|
|
verify([1])
|
||
|
|
verify([0.5])
|
||
|
|
verify([2])
|
||
|
|
verify([2, 4])
|
||
|
|
verify([1, 1.5])
|
||
|
|
verify([0.1])
|
||
|
|
verify([0.3])
|
||
|
|
verify([0.7])
|
||
|
|
verify([0.3, 0.9])
|
||
|
|
verify([1/3])
|
||
|
|
|
||
|
|
//across multiple scales
|
||
|
|
for(var i=-1074; i<1024; ++i) {
|
||
|
|
var x = Math.pow(2, i)
|
||
|
|
verify([x])
|
||
|
|
verify([x + Math.pow(2,i-52)])
|
||
|
|
verify([x*Math.random()])
|
||
|
|
for(var j=-1070; j<1024; j+=32) {
|
||
|
|
var y = Math.pow(2, j)
|
||
|
|
verify([x, y])
|
||
|
|
verify([x + Math.pow(2,i-52), y])
|
||
|
|
verify([x, y + Math.pow(2,j-52)])
|
||
|
|
verify([x + Math.pow(2,i-52), y + Math.pow(2,j-52)])
|
||
|
|
verify([x*Math.random(), y*Math.random()])
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
t.end()
|
||
|
|
})
|