Here are the data structures with brief descriptions:
| CspDMatrix | Matrix type that contains the elements of double type |
| CspDVector | Vector type that contains the elements of double type |
| CspFFTRec | A class to handle FFT execution |
| CspFMatrix | Matrix type that contains the elements of float type |
| CspFVector | Vector type that contains the elements of float type |
| CspLMatrix | Matrix type that contains the elements of long type |
| CspLVector | Vector type that contains the elements of long type |
| CspSMatrix | Matrix type that contains the elements of short type |
| CspSVector | Vector type that contains the elements of short type |