optimized add(), sadd(), subtract() routines for InfiniteVector, O(N) now
optimized add(), sadd(), subtract() routines for InfiniteVector, O(N) now

agnumerikunimarburg/Marburg_Software_Library,wavelet-and-multiscale-library/Marburg_Software_Library,wavelet-and-multiscale-library/Marburg_Software_Library,kedingagnumerikunimarburg/Marburg_Software_Library