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matlab2fmex

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matlab2fmex

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03 Feb 2004 (Updated )

matlab2fmex.m is a small translator which aims to convert numerical M-files to Fortran90 mex.

Editor's Notes:

This author's upload was somehow corrupted. We fixed this on March 29, 2006. At that time, we also converted it from a GZ file a ZIP file for better cross platform portability.

[modlist,funlist,fun_info]=norm_make(typestrlist)
function [modlist,funlist,fun_info]=norm_make(typestrlist)
% fun_info is a 1x2 cell. fun_info{1}=>1 result is pointer, 0=>not
%                         fun_info{2}=>typestr ('r' or 'c' usually)
declare_globals
funname='norm';
modlist='';funlist='';
r=[char(10)];
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
modlist=[modlist,...
	 '       interface ',funname,'f',r];
if ~iscell(typestrlist)
 typestrlist={typestrlist};
end
for i=1:length(typestrlist)
 typestr=typestrlist{i};
  for m=1:length(typestr)
  temp=any(strcmp(typestr(m),{'d','m'})); if temp,typestr(m)='c';end
  temp=any(strcmp(typestr(m),{'e','n'})); if temp,typestr(m)='r';end
  temp=any(strcmp(typestr(m),{'f','o'})); if temp,typestr(m)='i';end
  temp=any(strcmp(typestr(m),{'g','p'})); if temp,typestr(m)='l';end
 end
 [modlist,funlist,len]=makeheader('norm',2,typestr,modlist,funlist,r); 
 funlist=[funlist,'       real :: out',r];
 fun_info{2}='s';
 wantsizes=1;
 funlist=makesize1(wantsizes,funlist,len,r);
 
 %Here we can insert any global vars or preliminary options %%%%%%
 if length(typestr)<2
  funlist=[funlist,'       integer :: i,j,dim=2',r]; 
 else
  funlist=[funlist,'       integer i,j,dim',r]; 
 end
 if ((typestr(1)=='r')|(typestr(1)=='c')|(typestr(1)=='i'))
  if ~((typestr(1)=='c')|(typestr(1)=='t'))
   funlist=[funlist,'       real, dimension(size(in_1,1),size(in_1,2)) :: mat',r];
  else
   funlist=[funlist,'       complex, dimension(size(in_1,1),size(in_1,2)) :: mat',r];
  end
 else
  if ~((typestr(1)=='c')|(typestr(1)=='t'))
   funlist=[funlist,'       real, dimension(1,1) :: mat',r];
  else
   funlist=[funlist,'       complex, dimension(1,1) :: mat',r];
  end
 end
 funlist=makesize2(wantsizes,funlist,len,r,typestr);
 
 %Here we can insert type dependant things %%%%%%%%%%%%%%%%%%%%%%%
 for ii=1:length(typestr)
  switch ii
   case 1
    switch typestr(ii)
     case 'r'
      funlist=[funlist,['        mat=in_1',r]];
     case 'c'
      funlist=[funlist,['        mat=in_1',r]];
     case 'i'
      funlist=[funlist,['        mat=in_1',r]];
     case 's'
      funlist=[funlist,['        mat(1,1)=in_1',r]];
     case 't'
      funlist=[funlist,['        mat(1,1)=in_1',r]];
     case 'u'
      funlist=[funlist,['        mat(1,1)=in_1',r]];
    end
   case 2
    if length(typestr)>1
    end    
    switch typestr(ii)
     case 'r'
      funlist=[funlist,['        dim=int(in_2(1,1))',r]];
     case 'c'
      funlist=[funlist,['        dim=int(in_2(1,1))',r]];
     case 'i'
      funlist=[funlist,['        dim=(in_2(1,1))',r]];
     case 's'
      funlist=[funlist,['        dim=int(in_2)',r]];
     case 't'
      funlist=[funlist,['        dim=int(in_2)',r]];
     case 'u'
      funlist=[funlist,['        dim=(in_2)',r]];
    end
  end
 end
 %And now the kernel %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 if length(typestr)<3
  kernel=[''];
 else
  kernel=[''];
 end
 kernel=[kernel,'        if (in_1_m==1) then',r];
 kernel=[kernel,'         if (dim==101) then',r];
 kernel=[kernel,'          out=maxval((/abs(mat(1,:))/))',r];
 kernel=[kernel,'         elseif (dim==-101) then',r];
 kernel=[kernel,'          out=minval((/abs(mat(1,:))/))',r];
 kernel=[kernel,'         else',r];
 kernel=[kernel,'          out=sum(abs(mat(1,:))**dim)**(1/dble(dim))',r];
 kernel=[kernel,'         endif',r];
 kernel=[kernel,'        elseif (in_1_n==1) then',r];
 kernel=[kernel,'         if (dim==101) then',r];
 kernel=[kernel,'          out=maxval((/abs(mat(:,1))/))',r];
 kernel=[kernel,'         elseif (dim==-101) then',r];
 kernel=[kernel,'          out=minval((/abs(mat(:,1))/))',r];
 kernel=[kernel,'         else',r];
 kernel=[kernel,'          out=sum(abs(mat(:,1))**dim)**(1/dble(dim))',r];
 kernel=[kernel,'         endif',r];
 kernel=[kernel,'        else',r];
 kernel=[kernel,'         if ((dim==101).or.(dim==-101)) then',r];
 kernel=[kernel,'          out=maxval((/sum(abs(mat),dim=2)/))',r];
 kernel=[kernel,'         elseif (dim==1) then',r];
 kernel=[kernel,'          out=maxval((/sum(abs(mat),dim=1)/))',r];
 kernel=[kernel,'         elseif (dim==2) then',r];
 kernel=[kernel,'          out=maxval(svdf(in_1))',r];
 kernel=[kernel,'         endif',r];
 kernel=[kernel,'        endif',r];
 funlist=[funlist,kernel];
 
 %End of the function %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 funlist=[funlist,'       end function ',funname,'f_',typestr,r];
 if strcmp(typestr,typestrlist{length(typestrlist)})
 else
  funlist=[funlist,r];
 end
end
%And end the module %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
modlist=[modlist...
	 '       end interface ',funname,'f',char(10)];
fun_info{1}=0;

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