/** @file paranoia_check.cpp
*
* This set of tests checks for some of GiNaC's oopses which showed up during
- * development. Things were evaluated wrongly and so. It should not find such
- * a sick behaviour again. But since we are paranoic and we want to exclude
- * that behaviour for good... */
+ * development. Things were evaluated wrongly and so. Such a sick behaviour
+ * shouldn't occur any more. But we are paranoic and we want to exclude these
+ * these oopses for good, so we run those stupid tests... */
/*
* GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany
g = e / f;
// In the first one expand did not do any job at all:
- if ( !g.expand().is_equal(x) ) {
+ if (!g.expand().is_equal(x)) {
clog << "e = x*y*z; f = y*z; expand(e/f) erroneously returned "
<< g.expand() << endl;
++result;
g = f - e*y;
// After .expand(), g should be zero:
- if (!g.expand().is_equal(exZERO())) {
+ if (!g.expand().is_zero()) {
clog << "e = (x + z*x); f = e*y; expand(f - e*y) erroneously returned "
<< g.expand() << endl;
++result;
}
// After .eval(), g should be zero:
- if (!g.eval().is_equal(exZERO())) {
+ if (!g.eval().is_zero()) {
clog << "e = (x + z*x); f = e*y; eval(f - e*y) erroneously returned "
<< g.eval() << endl;
++result;
}
- // This actually worked already back in April. But we are very paranoic!
- if (!g.expand().eval().is_equal(exZERO())) {
+ // This actually worked already back in April 1999. But we are very paranoic!
+ if (!g.expand().eval().is_zero()) {
clog << "e = (x + z*x); f = e*y; eval(expand(f - e*y)) erroneously returned "
<< g.expand().eval() << endl;
++result;
f = pow(x, 2) + x + 1;
g = e - f;
- if (!g.is_equal(exZERO())) {
+ if (!g.is_zero()) {
clog << "e = pow(x,2) + x + 1; f = pow(x,2) + x + 1; g = e-f; g erroneously returned "
<< g << endl;
++result;
}
- if (!g.is_equal(exZERO())) {
+ if (!g.is_zero()) {
clog << "e = pow(x,2) + x + 1; f = pow(x,2) + x + 1; g = e-f; g.eval() erroneously returned "
<< g.eval() << endl;
++result;
e = pow(x*y + 1, 2);
f = pow(x, 2) * pow(y, 2) + 2*x*y + 1;
- if (!(e-f).expand().is_equal(exZERO())) {
+ if (!(e-f).expand().is_zero()) {
clog << "e = pow(x*y+1,2); f = pow(x,2)*pow(y,2) + 2*x*y + 1; (e-f).expand() erroneously returned "
<< (e-f).expand() << endl;
++result;