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Diffstat (limited to 'ffts/src/matlib.h')
| -rw-r--r-- | ffts/src/matlib.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/ffts/src/matlib.h b/ffts/src/matlib.h new file mode 100644 index 0000000..baf9e6e --- /dev/null +++ b/ffts/src/matlib.h @@ -0,0 +1,33 @@ +/* a few routines from a vector/matrix library */ + +void xpose(float *indata, long iRsiz, float *outdata, long oRsiz, long Nrows, long Ncols); +/* not in-place matrix transpose */ +/* INPUTS */ +/* *indata = input data array */ +/* iRsiz = offset to between rows of input data array */ +/* oRsiz = offset to between rows of output data array */ +/* Nrows = number of rows in input data array */ +/* Ncols = number of columns in input data array */ +/* OUTPUTS */ +/* *outdata = output data array */ + +void cxpose(float *indata, long iRsiz, float *outdata, long oRsiz, long Nrows, long Ncols); +/* not in-place complex matrix transpose */ +/* INPUTS */ +/* *indata = input data array */ +/* iRsiz = offset to between rows of input data array */ +/* oRsiz = offset to between rows of output data array */ +/* Nrows = number of rows in input data array */ +/* Ncols = number of columns in input data array */ +/* OUTPUTS */ +/* *outdata = output data array */ + +void cvprod(float *a, float *b, float *out, long N); +/* complex vector product, can be in-place */ +/* product of complex vector *a times complex vector *b */ +/* INPUTS */ +/* N vector length */ +/* *a complex vector length N complex numbers */ +/* *b complex vector length N complex numbers */ +/* OUTPUTS */ +/* *out complex vector length N */ |