File: odedi.dia.ref

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// Copyright INRIA
 
// simple tests for arsimul and odedi
 
// x_{n+1}=n*x_{n}, x_{1}=1;
 
deff('[xnp1]=ttt(n,xn)','xnp1=(xn**2);');
 
// use y=ode('discret',y1,1,2:n,macro);y=[y1,y]
 
// to get  y=[y1,y2,....,y_n];
 
//!
 
ero_n=0;
 
y=ode('discret',2,1,2:4,ttt);y=[2,y];
 
if y <> [2,4,16,256] then  bugmes();quit;end
 
// arsimul tests
 
y=arsimul([1],[1],[0],0,1:10);
 
if y <> (1:10) then bugmes();quit;end
 
y=arsimul([1],[0,1],[0],0,1:10);
 
if y <> [0,1:9] then  bugmes();quit;end
 
y=arsimul([1],[0,1],[0],0,1:10,[-5]);
 
if y <> [-5,1:9] then bugmes();quit;end