fpc/packages/numlib/tests/eigts2te.pas
2016-03-05 19:16:54 +00:00

70 lines
1.4 KiB
ObjectPascal

program eigts2te;
uses
eig,
iom,
typ;
const
m1 = -9;
m2 = 37;
var
t: ArbFloat;
i, ex, nex, k1, k2, i1, j1, n, term: ArbInt;
d, cd, lam: array[m1..m2] of ArbFloat;
begin
Write(' program results eigts2te');
case sizeof(ArbFloat) of
4: writeln('(single)');
6: writeln('(real)');
8: writeln('(double)');
end;
Read(nex);
writeln;
writeln('number of examples', nex: 2);
writeln;
for ex := 1 to nex do
begin
writeln('example number', ex: 2);
writeln;
if ex < nex then
begin
Read(i1, j1, n, k1, k2);
iomrev(input, d[i1], n);
iomrev(input, cd[j1 + 1], n - 1);
end
else
begin
i1 := 1;
j1 := 1;
n := 30;
k1 := 5;
k2 := 8;
for i := 1 to n do
begin
t := i;
d[i] := sqr(t * t);
end;
for i := 2 to n do
cd[i] := i - 1;
end;
eigts2(d[i1], cd[j1 + 1], n, k1, k2, lam[j1 + k1 - 1], term);
writeln('diag =');
iomwrv(output, d[i1], n, numdig);
writeln('codiag =');
iomwrv(output, cd[j1 + 1], n - 1, numdig);
writeln;
writeln('k1=', k1: 2, ' k2=', k2: 2);
writeln;
writeln('term=', term: 2);
if term = 1 then
begin
writeln('lambda=');
iomwrv(output, lam[j1 + k1 - 1], k2 - k1 + 1, numdig);
end;
writeln('------------------------------------------------------');
end;
Close(input);
Close(output);
end.