File: NEWS

GNU C-Graph Version 2.0
October 2011
 
Copyright (c) 2011 Adrienne Gaye Thompson

This file is part of GNU C-Graph.

Copying and distribution of this file, with or without modification,
is permitted in any medium without royalty provided the copyright
notice and this notice are preserved.

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* GNU C-Graph 2.0 
  Reproduction of 1983 dissertation released as GNU C-Graph May 2011.
  New features:
  	Pulses corresponding to each periodic signal, sawtooth wave,
	default values for unexpected user input, error handling, 
	scaling. Gnuplot for visualization.

* C-Graph 1.0 
  Model in C of the 5 core subroutines from 1983
  dissertation, presented November 1997 to the University of Aberdeen
  as evidence of authorship:
  	Periodic signals - triangle, rectangle, sine, cosine,
	Linear convolution.

* "Interactive Computer Package Demonstrating: Sampling Convolution
  and the FFT" BSc. Honours dissertation, University of Aberdeen,
  1983. The package was coded in Fortran 77 on the University's
  Honeywell mainframe:
  	Periodic signals - triangle, rectangle, sine, cosine.
	Aperiodic signals - exponential, step, ramp.
	Linear and circular convolution.
  	      

