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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67 lines
2.2 KiB
67 lines
2.2 KiB
float inverse(float m) {
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return 1.0 / m;
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}
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mat2 inverse(mat2 m) {
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return mat2(m[1][1],-m[0][1],
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-m[1][0], m[0][0]) / (m[0][0]*m[1][1] - m[0][1]*m[1][0]);
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}
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mat3 inverse(mat3 m) {
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float a00 = m[0][0], a01 = m[0][1], a02 = m[0][2];
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float a10 = m[1][0], a11 = m[1][1], a12 = m[1][2];
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float a20 = m[2][0], a21 = m[2][1], a22 = m[2][2];
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float b01 = a22 * a11 - a12 * a21;
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float b11 = -a22 * a10 + a12 * a20;
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float b21 = a21 * a10 - a11 * a20;
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float det = a00 * b01 + a01 * b11 + a02 * b21;
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return mat3(b01, (-a22 * a01 + a02 * a21), (a12 * a01 - a02 * a11),
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b11, (a22 * a00 - a02 * a20), (-a12 * a00 + a02 * a10),
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b21, (-a21 * a00 + a01 * a20), (a11 * a00 - a01 * a10)) / det;
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}
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mat4 inverse(mat4 m) {
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float
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a00 = m[0][0], a01 = m[0][1], a02 = m[0][2], a03 = m[0][3],
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a10 = m[1][0], a11 = m[1][1], a12 = m[1][2], a13 = m[1][3],
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a20 = m[2][0], a21 = m[2][1], a22 = m[2][2], a23 = m[2][3],
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a30 = m[3][0], a31 = m[3][1], a32 = m[3][2], a33 = m[3][3],
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b00 = a00 * a11 - a01 * a10,
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b01 = a00 * a12 - a02 * a10,
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b02 = a00 * a13 - a03 * a10,
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b03 = a01 * a12 - a02 * a11,
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b04 = a01 * a13 - a03 * a11,
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b05 = a02 * a13 - a03 * a12,
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b06 = a20 * a31 - a21 * a30,
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b07 = a20 * a32 - a22 * a30,
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b08 = a20 * a33 - a23 * a30,
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b09 = a21 * a32 - a22 * a31,
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b10 = a21 * a33 - a23 * a31,
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b11 = a22 * a33 - a23 * a32,
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det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;
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return mat4(
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a11 * b11 - a12 * b10 + a13 * b09,
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a02 * b10 - a01 * b11 - a03 * b09,
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a31 * b05 - a32 * b04 + a33 * b03,
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a22 * b04 - a21 * b05 - a23 * b03,
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a12 * b08 - a10 * b11 - a13 * b07,
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a00 * b11 - a02 * b08 + a03 * b07,
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a32 * b02 - a30 * b05 - a33 * b01,
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a20 * b05 - a22 * b02 + a23 * b01,
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a10 * b10 - a11 * b08 + a13 * b06,
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a01 * b08 - a00 * b10 - a03 * b06,
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a30 * b04 - a31 * b02 + a33 * b00,
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a21 * b02 - a20 * b04 - a23 * b00,
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a11 * b07 - a10 * b09 - a12 * b06,
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a00 * b09 - a01 * b07 + a02 * b06,
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a31 * b01 - a30 * b03 - a32 * b00,
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a20 * b03 - a21 * b01 + a22 * b00) / det;
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}
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#pragma glslify: export(inverse) |