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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38 lines
1.2 KiB
38 lines
1.2 KiB
module.exports = translate;
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/**
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* Translate a mat4 by the given vector
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*
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* @param {mat4} out the receiving matrix
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* @param {mat4} a the matrix to translate
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* @param {vec3} v vector to translate by
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* @returns {mat4} out
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*/
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function translate(out, a, v) {
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var x = v[0], y = v[1], z = v[2],
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a00, a01, a02, a03,
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a10, a11, a12, a13,
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a20, a21, a22, a23;
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if (a === out) {
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out[12] = a[0] * x + a[4] * y + a[8] * z + a[12];
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out[13] = a[1] * x + a[5] * y + a[9] * z + a[13];
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out[14] = a[2] * x + a[6] * y + a[10] * z + a[14];
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out[15] = a[3] * x + a[7] * y + a[11] * z + a[15];
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} else {
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a00 = a[0]; a01 = a[1]; a02 = a[2]; a03 = a[3];
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a10 = a[4]; a11 = a[5]; a12 = a[6]; a13 = a[7];
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a20 = a[8]; a21 = a[9]; a22 = a[10]; a23 = a[11];
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out[0] = a00; out[1] = a01; out[2] = a02; out[3] = a03;
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out[4] = a10; out[5] = a11; out[6] = a12; out[7] = a13;
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out[8] = a20; out[9] = a21; out[10] = a22; out[11] = a23;
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out[12] = a00 * x + a10 * y + a20 * z + a[12];
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out[13] = a01 * x + a11 * y + a21 * z + a[13];
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out[14] = a02 * x + a12 * y + a22 * z + a[14];
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out[15] = a03 * x + a13 * y + a23 * z + a[15];
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}
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return out;
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}; |