I figured the first thing someone would ask is to show the code, so I am pre-empting that here:
http://bazaar.launchpad.net/~jfcaron/+junk/my_steffen/view/head:/steffen.c Jean-François On Mar 18, 2014, at 16:47 , Jean-François Caron <jfca...@phas.ubc.ca> wrote: > Hi, several times now I’ve needed a monotonic interpolation method. I saw > some posts from 2 years ago on this list from someone who implemented the > method from Steffen (1990), but it never got integrated into GSL and I > couldn’t contact that person. > > I have now also implemented Steffen’s interpolation algorithm by copying the > existing akima.c file, but I am quite at a loss as to how to compile & test > the code. I normally use GSL installed from MacPorts which handles all the > compilation. I tried wget’ing the archive for GSL 1.6 and doing ./configure > && make, but then I get errors about the PPC architecture (this is an x86 > mac). > > Could someone walk me through the steps for compiling & testing my steffen.c > code? My starting point: > - a fresh download and ./configure of GSL 1.6 > - steffen.c placed in $GSL/interpolation > > I don’t need people to write the test program itself, I just need to get to > something that will compile with “int main(void){return 0;}”. I can probably > handle the rest of the testing. > > Thanks for any help, > Jean-François Caron > > Old posts about this: > http://lists.gnu.org/archive/html/help-gsl/2012-03/msg00009.html