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/*
* This file is part of tela the Tensor Language.
* Copyright (c) 1994-1999 Pekka Janhunen
*/
/*
tests.ct
C-tela code for Standard library, Preprocess with ctpp.
C-tela code is C++ equipped with []=f() style function definition.
*/
[f] = cfibint(n)
/* cfibint(n) returns the nth Fibonacci number. The argument must be an integer. */
{
Tobject n1,n2,f1,f2;
TConstObjectPtr np;
TObjectPtr fp;
int ni;
if (n.kind()!=Kint) {f.SetToVoid(); return 1;}
ni = n.IntValue();
if (ni < 2) {
f = ni;
} else {
n1 = ni-1;
n2 = ni-2;
np = &n1;
fp = &f1;
cfibintfunction(&np,1,&fp,1);
np=&n2;
fp=&f2;
cfibintfunction(&np,1,&fp,1);
f = f1.IntValue() + f2.IntValue();
}
return 0;
}
[f] = cfib(n)
/* cfib(n) returns the nth Fibonacci number. */
{
static const Tobject two = 2;
Tobject cmpresult,n1,n2,f1,f2;
TConstObjectPtr np;
TObjectPtr fp;
Lt(cmpresult,n,two); // n < 2 ?
if (cmpresult.IsNonzero()) { // Yes
f = n;
} else { // No
n1 = n;
Dec(n1); // n1=n-1
n2 = n1;
Dec(n2); // n2=n-2
np = &n1;
fp = &f1;
cfibfunction(&np,1,&fp,1);
np=&n2;
fp=&f2;
cfibfunction(&np,1,&fp,1);
Add(f,f1,f2);
}
return 0;
}
[t] = new100000()
{
Treal t1 = CPUSeconds();
for (int i=0; i<100000; i++) {
Tobject *p = new Tobject();
delete p;
}
t = CPUSeconds()-t1;
return 0;
}
[t] = newdata100000()
{
Treal t1 = CPUSeconds();
for (int i=0; i<100000; i++) {
char *p = new char [sizeof(Tobject)];
delete [] p;
}
t = CPUSeconds()-t1;
return 0;
}
[] = CallMe1() {
clog << "Calling CallMe()\n";
return 0;
}
[] = OneArg(x) {
clog << "OneArg: " << x << "\n";
return 0;
}
[] = OneOptionalArg(;x) {
if (Nargin == 1)
clog << "OneOptionalArg: " << x << "\n";
else if (Nargin == 0)
clog << "OneOptionalArg: no args\n";
else
clog << "*** OneOptionalArg: " << Nargin << " args.\n";
return 0;
}
[y] = OneToOne(x) {
clog << "OneToOne: squaring argument x=" << x << ".";
Mul(y,x,x);
clog << " Result: y=" << y << "\n";
return 0;
}
[y] = EllipsisIn(...) {
clog << "EllipsisIn: " << Nargin << " arguments.\n";
y = Tcomplex(2,3);
return 0;
}
[...] = EllipsisOut() {
clog << "EllipsisOut: " << Nargout << " output arguments.\n";
for (int i=0; i<Nargout; i++) *argout[i] = i;
return 0;
}
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