179 lines
8.7 KiB
Java
179 lines
8.7 KiB
Java
package com.mojang.math;
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import net.minecraft.Util;
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import java.util.stream.Collectors;
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import com.mojang.datafixers.util.Pair;
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import java.util.Arrays;
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import net.minecraft.core.FrontAndTop;
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import com.google.common.collect.Maps;
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import it.unimi.dsi.fastutil.booleans.BooleanArrayList;
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import it.unimi.dsi.fastutil.booleans.BooleanList;
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import javax.annotation.Nullable;
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import net.minecraft.core.Direction;
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import java.util.Map;
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import net.minecraft.util.StringRepresentable;
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public enum OctahedralGroup implements StringRepresentable {
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IDENTITY("identity", SymmetricGroup3.P123, false, false, false),
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ROT_180_FACE_XY("rot_180_face_xy", SymmetricGroup3.P123, true, true, false),
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ROT_180_FACE_XZ("rot_180_face_xz", SymmetricGroup3.P123, true, false, true),
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ROT_180_FACE_YZ("rot_180_face_yz", SymmetricGroup3.P123, false, true, true),
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ROT_120_NNN("rot_120_nnn", SymmetricGroup3.P231, false, false, false),
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ROT_120_NNP("rot_120_nnp", SymmetricGroup3.P312, true, false, true),
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ROT_120_NPN("rot_120_npn", SymmetricGroup3.P312, false, true, true),
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ROT_120_NPP("rot_120_npp", SymmetricGroup3.P231, true, false, true),
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ROT_120_PNN("rot_120_pnn", SymmetricGroup3.P312, true, true, false),
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ROT_120_PNP("rot_120_pnp", SymmetricGroup3.P231, true, true, false),
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ROT_120_PPN("rot_120_ppn", SymmetricGroup3.P231, false, true, true),
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ROT_120_PPP("rot_120_ppp", SymmetricGroup3.P312, false, false, false),
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ROT_180_EDGE_XY_NEG("rot_180_edge_xy_neg", SymmetricGroup3.P213, true, true, true),
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ROT_180_EDGE_XY_POS("rot_180_edge_xy_pos", SymmetricGroup3.P213, false, false, true),
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ROT_180_EDGE_XZ_NEG("rot_180_edge_xz_neg", SymmetricGroup3.P321, true, true, true),
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ROT_180_EDGE_XZ_POS("rot_180_edge_xz_pos", SymmetricGroup3.P321, false, true, false),
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ROT_180_EDGE_YZ_NEG("rot_180_edge_yz_neg", SymmetricGroup3.P132, true, true, true),
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ROT_180_EDGE_YZ_POS("rot_180_edge_yz_pos", SymmetricGroup3.P132, true, false, false),
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ROT_90_X_NEG("rot_90_x_neg", SymmetricGroup3.P132, false, false, true),
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ROT_90_X_POS("rot_90_x_pos", SymmetricGroup3.P132, false, true, false),
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ROT_90_Y_NEG("rot_90_y_neg", SymmetricGroup3.P321, true, false, false),
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ROT_90_Y_POS("rot_90_y_pos", SymmetricGroup3.P321, false, false, true),
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ROT_90_Z_NEG("rot_90_z_neg", SymmetricGroup3.P213, false, true, false),
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ROT_90_Z_POS("rot_90_z_pos", SymmetricGroup3.P213, true, false, false),
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INVERSION("inversion", SymmetricGroup3.P123, true, true, true),
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INVERT_X("invert_x", SymmetricGroup3.P123, true, false, false),
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INVERT_Y("invert_y", SymmetricGroup3.P123, false, true, false),
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INVERT_Z("invert_z", SymmetricGroup3.P123, false, false, true),
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ROT_60_REF_NNN("rot_60_ref_nnn", SymmetricGroup3.P312, true, true, true),
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ROT_60_REF_NNP("rot_60_ref_nnp", SymmetricGroup3.P231, true, false, false),
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ROT_60_REF_NPN("rot_60_ref_npn", SymmetricGroup3.P231, false, false, true),
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ROT_60_REF_NPP("rot_60_ref_npp", SymmetricGroup3.P312, false, false, true),
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ROT_60_REF_PNN("rot_60_ref_pnn", SymmetricGroup3.P231, false, true, false),
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ROT_60_REF_PNP("rot_60_ref_pnp", SymmetricGroup3.P312, true, false, false),
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ROT_60_REF_PPN("rot_60_ref_ppn", SymmetricGroup3.P312, false, true, false),
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ROT_60_REF_PPP("rot_60_ref_ppp", SymmetricGroup3.P231, true, true, true),
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SWAP_XY("swap_xy", SymmetricGroup3.P213, false, false, false),
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SWAP_YZ("swap_yz", SymmetricGroup3.P132, false, false, false),
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SWAP_XZ("swap_xz", SymmetricGroup3.P321, false, false, false),
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SWAP_NEG_XY("swap_neg_xy", SymmetricGroup3.P213, true, true, false),
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SWAP_NEG_YZ("swap_neg_yz", SymmetricGroup3.P132, false, true, true),
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SWAP_NEG_XZ("swap_neg_xz", SymmetricGroup3.P321, true, false, true),
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ROT_90_REF_X_NEG("rot_90_ref_x_neg", SymmetricGroup3.P132, true, false, true),
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ROT_90_REF_X_POS("rot_90_ref_x_pos", SymmetricGroup3.P132, true, true, false),
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ROT_90_REF_Y_NEG("rot_90_ref_y_neg", SymmetricGroup3.P321, true, true, false),
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ROT_90_REF_Y_POS("rot_90_ref_y_pos", SymmetricGroup3.P321, false, true, true),
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ROT_90_REF_Z_NEG("rot_90_ref_z_neg", SymmetricGroup3.P213, false, true, true),
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ROT_90_REF_Z_POS("rot_90_ref_z_pos", SymmetricGroup3.P213, true, false, true);
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private final Matrix3f transformation;
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private final String name;
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@Nullable
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private Map<Direction, Direction> rotatedDirections;
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private final boolean invertX;
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private final boolean invertY;
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private final boolean invertZ;
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private final SymmetricGroup3 permutation;
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private static final OctahedralGroup[][] cayleyTable;
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private static final OctahedralGroup[] inverseTable;
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private OctahedralGroup(final String string3, final SymmetricGroup3 e, final boolean boolean5, final boolean boolean6, final boolean boolean7) {
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this.name = string3;
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this.invertX = boolean5;
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this.invertY = boolean6;
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this.invertZ = boolean7;
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this.permutation = e;
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this.transformation = new Matrix3f();
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this.transformation.m00 = (boolean5 ? -1.0f : 1.0f);
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this.transformation.m11 = (boolean6 ? -1.0f : 1.0f);
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this.transformation.m22 = (boolean7 ? -1.0f : 1.0f);
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this.transformation.mul(e.transformation());
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}
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private BooleanList packInversions() {
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return (BooleanList)new BooleanArrayList(new boolean[] { this.invertX, this.invertY, this.invertZ });
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}
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public OctahedralGroup compose(final OctahedralGroup c) {
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return OctahedralGroup.cayleyTable[this.ordinal()][c.ordinal()];
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}
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@Override
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public String toString() {
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return this.name;
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}
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@Override
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public String getSerializedName() {
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return this.name;
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}
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public Direction rotate(final Direction fz) {
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if (this.rotatedDirections == null) {
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this.rotatedDirections = Maps.newEnumMap(Direction.class);
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for (final Direction fz2 : Direction.values()) {
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final Direction.Axis a7 = fz2.getAxis();
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final Direction.AxisDirection b8 = fz2.getAxisDirection();
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final Direction.Axis a8 = Direction.Axis.values()[this.permutation.permutation(a7.ordinal())];
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final Direction.AxisDirection b9 = this.inverts(a8) ? b8.opposite() : b8;
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final Direction fz3 = Direction.fromAxisAndDirection(a8, b9);
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this.rotatedDirections.put(fz2, fz3);
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}
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}
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return this.rotatedDirections.get(fz);
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}
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public boolean inverts(final Direction.Axis a) {
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switch (a) {
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case X: {
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return this.invertX;
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}
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case Y: {
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return this.invertY;
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}
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default: {
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return this.invertZ;
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}
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}
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}
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public FrontAndTop rotate(final FrontAndTop gb) {
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return FrontAndTop.fromFrontAndTop(this.rotate(gb.front()), this.rotate(gb.top()));
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}
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static {
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final Map<Pair<SymmetricGroup3, BooleanList>, OctahedralGroup> map2;
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final OctahedralGroup[] array;
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int length;
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int i = 0;
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OctahedralGroup c3;
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final OctahedralGroup[] array2;
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int length2;
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int j = 0;
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OctahedralGroup c4;
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BooleanList booleanList11;
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BooleanList booleanList12;
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SymmetricGroup3 e13;
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BooleanArrayList booleanArrayList14;
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int integer2;
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cayleyTable = Util.<OctahedralGroup[][]>make(new OctahedralGroup[values().length][values().length], arr -> {
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map2 = Arrays.<OctahedralGroup>stream(values()).collect(Collectors.toMap(c -> Pair.of(c.permutation, c.packInversions()), c -> c));
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values();
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for (length = array.length; i < length; ++i) {
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c3 = array[i];
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values();
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for (length2 = array2.length; j < length2; ++j) {
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c4 = array2[j];
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booleanList11 = c3.packInversions();
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booleanList12 = c4.packInversions();
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e13 = c4.permutation.compose(c3.permutation);
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booleanArrayList14 = new BooleanArrayList(3);
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for (integer2 = 0; integer2 < 3; ++integer2) {
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booleanArrayList14.add(booleanList11.getBoolean(integer2) ^ booleanList12.getBoolean(c3.permutation.permutation(integer2)));
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}
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arr[c3.ordinal()][c4.ordinal()] = map2.get(Pair.of(e13, booleanArrayList14));
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}
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}
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return;
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});
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inverseTable = Arrays.<OctahedralGroup>stream(values()).map(c -> Arrays.<OctahedralGroup>stream(values()).filter(c2 -> c.compose(c2) == OctahedralGroup.IDENTITY).findAny().get()).<OctahedralGroup>toArray(OctahedralGroup[]::new);
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}
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}
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