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bugfix issue #26 Spline3D (and 2D) ending with incorrect number of
points, tested and compared to java output, BernsteinPolynomial output tested as well
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| var toxi = require('../index'), | ||
| assert = require('assert'); | ||
|
|
||
| describe('BernsteinPolynomial', function(){ | ||
| var isNear = function( v1, v2 ){ | ||
| return Math.abs(v1-v2) < 0.0001; | ||
| }; | ||
| var expected = { | ||
| 4: [ | ||
| [ 1.0, 0.29629624, 0.03703703, 0.0 ], | ||
| [ 0.0, 0.4444444, 0.2222222, 0.0 ], | ||
| [ 0.0, 0.22222224, 0.44444448, 0.0 ], | ||
| [ 0.0, 0.03703704, 0.29629633, 1.0 ] | ||
| ], | ||
| 6: [ | ||
| [ 1.0, 0.512, 0.21600002, 0.06399999, 0.0079999985, 0.0 ], | ||
| [ 0.0, 0.38400003, 0.43200004, 0.288, 0.09599999, 0.0 ], | ||
| [ 0.0, 0.09600001, 0.28800002, 0.43199998, 0.384, 0.0 ], | ||
| [ 0.0, 0.0080, 0.064, 0.21600002, 0.512, 1.0 ] | ||
| ], | ||
| 13: [ | ||
| [ 1.0, 0.7702547, 0.57870364, 0.421875, 0.29629624, 0.19849536, 0.125, 0.07233798, 0.03703705, 0.015625011, 0.004629636, 5.7870575E-4, 1.6940659E-21 ], | ||
| [ 0.0, 0.21006945, 0.3472222, 0.421875, 0.4444444, 0.4253472, 0.375, 0.30381948, 0.22222225, 0.14062504, 0.0694445, 0.019097265, 4.2632557E-14 ], | ||
| [ 0.0, 0.019097226, 0.06944445, 0.140625, 0.22222224, 0.30381945, 0.375, 0.4253472, 0.44444442, 0.42187503, 0.34722233, 0.21006964, 3.5762778E-7 ], | ||
| [ 0.0, 5.7870377E-4, 0.00462963, 0.015625, 0.03703704, 0.07233798, 0.125, 0.19849536, 0.29629624, 0.4218749, 0.5787035, 0.7702544, 0.99999964 ] | ||
| ] | ||
| }; | ||
| var eachNear = function(res,bNum){ | ||
| return function(b, i){ | ||
| assert.ok( isNear(b,expected[res][bNum][i]) ); | ||
| }; | ||
| }; | ||
| var forBers = function( bers ){ | ||
| var r = bers.resolution; | ||
| bers.b0.forEach(eachNear(r,0)); | ||
| bers.b1.forEach(eachNear(r,1)); | ||
| bers.b2.forEach(eachNear(r,2)); | ||
| bers.b3.forEach(eachNear(r,3)); | ||
| }; | ||
| it('should match the java output for resolution 4', function(){ | ||
| forBers(new toxi.geom.BernsteinPolynomial(4)); | ||
| }); | ||
|
|
||
| it('should match the java output for resolution 6', function(){ | ||
| forBers(new toxi.geom.BernsteinPolynomial(6)); | ||
| }); | ||
|
|
||
| it('should match the java output for resolution 13', function(){ | ||
| forBers(new toxi.geom.BernsteinPolynomial(13)); | ||
| }); | ||
| }); |
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