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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73 lines
2.0 KiB
73 lines
2.0 KiB
'use strict'
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var tape = require('tape')
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var createOrbit = require('../matrix')
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var lookAt = require('gl-mat4/lookAt')
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function arrayApproxEquals(a, b) {
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for(var i=0; i<a.length; ++i) {
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if(!(Math.abs(a[i] - b[i]) < 1e-4)) {
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return false
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}
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}
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return true
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}
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function matrixApproxEquals(a, b) {
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var x = a[15]
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var y = b[15]
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for(var i=0; i<15; ++i) {
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if(!(Math.abs(a[i] * y - b[i] * x) < 1e-4)) {
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return false
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}
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}
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return true
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}
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tape('matrix camera', function(t) {
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for(var i=0; i<100; ++i) {
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var center = [Math.random()-0.5, Math.random()-0.5, Math.random()-0.5]
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var eye = [Math.random()-0.5, Math.random()-0.5, Math.random()-0.5]
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var up = [Math.random()-0.5, Math.random()-0.5, Math.random()-0.5]
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var mat = lookAt([], eye, center, up)
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var smat = mat[15]
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var controller = createOrbit()
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controller.lookAt(10, eye, center, up)
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controller.recalcMatrix(10)
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var orbitMat = controller.computedMatrix
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t.ok(matrixApproxEquals(mat, orbitMat), 'compare mat: ' + mat + ' : ' + orbitMat)
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var oeye = controller.computedEye
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t.ok(arrayApproxEquals(eye, oeye), 'compare eye: ' + eye + ':' + oeye)
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var ocenter = controller.computedCenter
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t.ok(arrayApproxEquals(center, ocenter), 'compare center: ' + center + ':' + ocenter)
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}
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for(var i=0; i<100; ++i) {
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var center = [Math.random()-0.5, Math.random()-0.5, Math.random()-0.5]
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var eye = [Math.random()-0.5, Math.random()-0.5, Math.random()-0.5]
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var up = [Math.random()-0.5, Math.random()-0.5, Math.random()-0.5]
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var mat = lookAt([], eye, center, up)
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var controller = createOrbit()
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controller.setMatrix(10, mat)
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controller.recalcMatrix(10)
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var orbitMat = controller.computedMatrix
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t.ok(matrixApproxEquals(mat, orbitMat), 'compare mat: ' + mat + ' : ' + orbitMat)
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var oeye = controller.computedEye
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t.ok(arrayApproxEquals(eye, oeye), 'compare eye: ' + eye + ':' + oeye)
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}
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t.end()
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}) |