public void MaxForwardDUMMY(ViterbiTrace[] traces, RiggedArray palpha, RiggedArray calpha)
{
for (int i = 0; i < palpha.Length; ++i)
{
if (palpha.pruned[i] || calpha.pruned[i])
{
continue;
}
double s = calpha.v[i];
if (s > palpha.v[i])
{
traces[i].edge = this;
traces[i].subtag0 = i;
traces[i].subtag1 = -1;
palpha.v[i] = s;
}
}
}
public void MaxForward(ViterbiTrace[] traces, RiggedArray palpha, double[][] unaryScores, RiggedArray calpha)
{
for (int c = 0; c < calpha.Length; ++c)
{
if (calpha.pruned[c] || double.IsNegativeInfinity(calpha.v[c]) || unaryScores[c] == null)
{
continue;
}
//MathHelper.ax_addto_y(calpha[c], unaryScores[c], palpha);
for (int p = 0; p < palpha.Length; ++p)
{
if (palpha.pruned[p])
{
continue;
}
double s = calpha.v[c] + unaryScores[c][p];
if (s > palpha.v[p])
{
traces[p].edge = this;
traces[p].subtag0 = c;
traces[p].subtag1 = -1;
palpha.v[p] = s;
}
}
}
}
public void MaxForward(ViterbiTrace[] traces, RiggedArray palpha, double[][][] binaryScores, RiggedArray lalpha, RiggedArray ralpha)
{
for (int l = 0; l < lalpha.Length; ++l)
{
if (lalpha.pruned[l] || double.IsNegativeInfinity(lalpha.v[l]) || binaryScores[l] == null)
{
continue;
}
for (int r = 0; r < ralpha.Length; ++r)
{
if (ralpha.pruned[r] || double.IsNegativeInfinity(ralpha.v[r]) || binaryScores[l][r] == null)
{
continue;
}
//MathHelper.ax_addto_y(lalpha[l] * ralpha[r], binaryScores[l][r], palpha);
double x = lalpha.v[l] + ralpha.v[r];
for (int p = 0; p < palpha.Length; ++p)
{
if (palpha.pruned[p])
{
continue;
}
double s = x + binaryScores[l][r][p];
if (s > palpha.v[p])
{
traces[p].edge = this;
traces[p].subtag0 = l;
traces[p].subtag1 = r;
palpha.v[p] = s;
}
}
}
}
}
public void MaxForward(ViterbiTrace[] traces, RiggedArray palpha, double[] terminalScores)
{
//MathHelper.ax_addto_y(1.0f, terminalScores, palpha);
for (int i = 0; i < terminalScores.Length; ++i)
{
if (palpha.pruned[i])
{
continue;
}
if (terminalScores[i] > palpha.v[i])
{
traces[i].edge = this;
traces[i].subtag0 = 0;
traces[i].subtag1 = -1;
palpha.v[i] = terminalScores[i];
}
//palpha.v[i] = MathHelper.LogAdd(palpha.v[i], terminalScores[i]);
}
}
