quarter-wave

C06HCF   Discrete quarter-wave sine transform
C06HDF   Discrete quarter-wave cosine transform
C06RCF   Discrete quarter-wave sine transform (easy-to-use)
C06RDF   Discrete quarter-wave cosine transform (easy-to-use)

NAG Fortran Library
Keyword Index
© The Numerical Algorithms Group Ltd, Oxford UK. 2004