Performs an inverse 1D Fast Hartley Transform (FHT) of an array
(float[] fht)
| 181 | |
| 182 | /** Performs an inverse 1D Fast Hartley Transform (FHT) of an array */ |
| 183 | public void inverseTransform1D(float[] fht) { |
| 184 | int n = fht.length; |
| 185 | if (S==null || n!=maxN) { |
| 186 | if (!isPowerOf2(n)) |
| 187 | throw new IllegalArgumentException("Not power of 2 length: "+n); |
| 188 | initializeTables(n); |
| 189 | } |
| 190 | dfht3(fht, 0, true, n); |
| 191 | } |
| 192 | |
| 193 | void transform(boolean inverse) { |
| 194 | if (!powerOf2Size()) |
nothing calls this directly
no test coverage detected