float[][][] backwardMatrix() {
int[][] matrix = new int[this.height][this.width];
PolygonFillerTest.fillInMatrix(
matrix,
PolygonFillerTest.convertNewEdgeListToOldEdgeList(
PolygonFiller.cloneEdgeList(
PolygonFillerTest.convertOldEdgeListToNewEdgeList(this.eT))),
1,
0);
matrix = (int[][]) Array.transpose2DMatrix().fn(matrix);
matrix = (int[][]) Array.reverseXAxisOf2DMatrix().fn(matrix);
matrix = (int[][]) Array.reverseYAxisOf2DMatrix().fn(matrix);
final float[] eS = this.endStates.clone();
Array.reverseArray(eS, 0, eS.length);
final int[] rLTL2 = new int[1000];
final int[] lLTL2 = new int[1000];
PolygonFiller.reverseLessThanCoordinates(
MatrixIteratorTest.convertLTPoints(this.rLTL), rLTL2, this.width - 1, this.height - 1);
PolygonFiller.reverseLessThanCoordinates(
MatrixIteratorTest.convertLTPoints(this.lLTL), lLTL2, this.width - 1, this.height - 1);
final float[][][] matrixB =
MatrixIteratorTest.computeMatrix(
matrix,
new Cell.CellCalculator() {
/* (non-Javadoc)
* @see bp.pecan.dpc.Cell.CellCalculator#calc(float[], int, int)
*/
public void calc(float[] cells, int offset, int x, int y) {
ForwardBackwardMatrixIterTest.this.setCellsBackwardsLL.calc(
cells,
offset,
ForwardBackwardMatrixIterTest.this.width - 1 - x,
ForwardBackwardMatrixIterTest.this.height - 1 - y);
}
},
this.stateNumber,
eS,
Float.NEGATIVE_INFINITY,
rLTL2,
lLTL2);
final float[][][] matrixB2 = new float[matrixB.length][matrixB[0].length][this.stateNumber];
for (int i = 0; i < matrixB.length; i++) {
for (int j = 0; j < matrixB[i].length; j++) {
for (int k = 0; k < matrixB[i][j].length; k++) {
matrixB2[matrixB.length - 1 - i][matrixB[i].length - 1 - j][this.stateNumber - 1 - k] =
matrixB[i][j][k];
}
}
}
return matrixB2;
}
float[][][] forwardMatrix() {
int[][] matrix = new int[this.height][this.width];
PolygonFillerTest.fillInMatrix(
matrix,
PolygonFillerTest.convertNewEdgeListToOldEdgeList(
PolygonFiller.cloneEdgeList(
PolygonFillerTest.convertOldEdgeListToNewEdgeList(this.eT))),
1,
0);
matrix = (int[][]) Array.transpose2DMatrix().fn(matrix);
return MatrixIteratorTest.computeMatrix(
matrix,
this.setCellsForwardsLL,
this.stateNumber,
this.startStates.clone(),
Float.NEGATIVE_INFINITY,
MatrixIteratorTest.convertLTPoints(this.lLTL),
MatrixIteratorTest.convertLTPoints(this.rLTL));
}
public void testAddTogetherDiagonals() throws Exception {
for (int trial = 0; trial < 100; trial++) {
Debug.pl(" trial " + trial);
this.setup(0);
final float[][][] fM = this.forwardMatrix();
final float[][][] bM = this.backwardMatrix();
final float[][][] pM = this.sumForwardBackwardMatrices(fM, bM);
int fD = this.r.nextInt(this.height + this.width - 2 - this.minMaxOffset); // inclusive
Object[] oA = (Object[]) this.polygonClipper.fn(fD);
final int[] dC = (int[]) oA[2]; // 1];
oA = (Object[]) this.polygonClipper.fn(this.height + this.width - 2);
final int[] dC2 = (int[]) oA[2]; // 1];
float total = Float.NEGATIVE_INFINITY;
for (int i = 0; i < this.stateNumber; i++) {
total = Maths.logAdd(total, pM[pM.length - 1][pM[0].length - 1][i]);
}
float totalS = Float.NEGATIVE_INFINITY;
for (int i = 0; i < this.stateNumber; i++) {
totalS = Maths.logAdd(totalS, pM[0][0][i]);
}
Assert.assertEquals(total, totalS, 0.1);
final float[] forwardDiag = this.getDiagonal(dC[6], dC[7], dC[4], dC[5], fM);
final float[] backwardDiag =
this.getBackwardDiagonal(dC2[0], dC2[1], dC2[2], dC2[3], this.width, this.height, bM);
final int diagLength = (dC2[2] - dC2[0] + 1) * 2 + 1;
int forwardDiagStartOffset, forwardDiagEndOffset;
float[] iA;
if (dC[6] + dC[7] + 2 == dC2[0] + dC2[1]) {
iA = new float[this.stateNumber];
System.arraycopy(forwardDiag, this.stateNumber, iA, 0, this.stateNumber);
forwardDiagStartOffset = 1;
forwardDiagEndOffset = 1;
} else {
forwardDiagStartOffset = (dC[6] - dC[7] - 1) - (dC2[0] - dC2[1] - 1);
forwardDiagEndOffset = (dC[4] - dC[5] + 1) - (dC2[0] - dC2[1] - 1);
iA = forwardDiag;
}
final int[] lLTA = MatrixIteratorTest.convertLTPoints(this.lLTL);
final int[] rLTA = MatrixIteratorTest.convertLTPoints(this.rLTL);
final int x0 = dC[6];
final int y0 = dC[5];
final int fDiagC = dC[4] - x0;
fD = x0 + y0 + fDiagC;
final boolean isOnForwardLineL =
ForwardBackwardMatrixIterTest.isOnTheLine(lLTA, fD + 1, Integer.MAX_VALUE);
final boolean isOnBackwardLineL =
ForwardBackwardMatrixIterTest.isOnTheLine(lLTA, fD + 2, Integer.MAX_VALUE);
final boolean isOnForwardLineR =
ForwardBackwardMatrixIterTest.isOnTheLine(rLTA, fD + 1, Integer.MAX_VALUE);
final boolean isOnBackwardLineR =
ForwardBackwardMatrixIterTest.isOnTheLine(rLTA, fD + 2, Integer.MAX_VALUE);
Assert.assertEquals(
ForwardBackwardMatrixIter.addTogetherDiagonals(
iA,
backwardDiag,
diagLength,
forwardDiagStartOffset,
forwardDiagEndOffset,
dC2[0],
dC2[1] + 1,
this.setCellsForwardsLL,
this.stateNumber,
isOnForwardLineL,
isOnBackwardLineL,
isOnForwardLineR,
isOnBackwardLineR),
total,
0.1);
}
}