void teste( int bits, double c1, int e1, double c2, int e2 )
{
int exact = arrondi(c1*e1+c2*e2) ;
Coef coef1(bits), coef2(bits) ;
coef1 = c1 ;
coef2 = c2 ;
int approx = coef1*e1 + coef2*e2 ;
erreur(bits,exact,approx) ;
std::cout<<std::endl ;
}
void teste( int bits, double c1, int e1, double c2, int e2 )
{
int exact = arrondi(c1*e1+c2*e2) ;
Coef coef1(bits), coef2(bits) ;
coef1.approxime(c1) ;
coef2.approxime(c2) ;
int approx = coef1.multiplie(e1) + coef2.multiplie(e2) ;
erreur(bits,exact,approx) ;
std::cout<<std::endl ;
}
virtual void execute( int bits )
{
Coef<U> coef1(bits), coef2(bits) ;
for ( int i=0 ; i<nb_ ; ++i )
{
coef1 = num_[i] ; coef2 = (1-num_[i]) ;
exact_[i] = 200. ;
approx_[i] = arrondi(coef1*U(exact_[i]) + coef2*U(exact_[i]),3) ;
}
erreur(bits) ;
}
void create_curve_test()
{
eli::geom::curve::piecewise_polynomial_creator<data_type, 3, tolerance_type> ppc;
piecewise_curve_type pc;
polynomial_type c;
coefficient_type coef1(5), coef2(2);
point_type eval_out, eval_ref;
data_type t, t0, t1;
bool rtn_flag;
// set coefficients
coef1 << 2, 4, 3, 1, 2;
coef2 << 1, 1;
c.set_coefficients(coef1, 0);
c.set_coefficients(coef2, 1);
// set the parameterization
t0=-1;
t1=1;
// create curve
rtn_flag=ppc.set_conditions(c);
TEST_ASSERT(rtn_flag);
ppc.set_t0(t0);
ppc.set_segment_dt(t1-t0, 0);
rtn_flag=ppc.create(pc);
TEST_ASSERT(rtn_flag);
// test evaluation at ends
t=t0;
eval_out=pc.f(t);
eval_ref=c.f((t-t0)/(t1-t0));
TEST_ASSERT(tol.approximately_equal(eval_out, eval_ref));
t=t1;
eval_out=pc.f(t);
eval_ref=c.f((t-t0)/(t1-t0));
TEST_ASSERT(tol.approximately_equal(eval_out, eval_ref));
// test evaluation at interior point
t=(t1-t0)*static_cast<data_type>(0.2)+t0;
eval_out=pc.f(t);
eval_ref=c.f((t-t0)/(t1-t0));
TEST_ASSERT(tol.approximately_equal(eval_out, eval_ref));
// if (typeid(data_type)==typeid(float))
// {
// std::cout.flush();
// eli::test::octave_start(1);
// eli::test::octave_print(1, c, "poly");
// eli::test::octave_print(1, pc, "piecewise");
// eli::test::octave_finish(1, false);
// }
}
void full_cycle_test()
{
eli::geom::curve::piecewise_polynomial_creator<data_type, 3, tolerance_type> ppc;
piecewise_curve_type pc;
polynomial_type c;
coefficient_type coef1(5), coef2(2);
point_type eval_out, eval_ref;
data_type t0, t1;
bool rtn_flag;
// set coefficients
coef1 << 2, 4, 3, 1, 2;
coef2 << 1, 1;
c.set_coefficients(coef1, 0);
c.set_coefficients(coef2, 1);
// set the parameterization
t0=-1;
t1=1;
// create curve
rtn_flag=ppc.set_conditions(c);
TEST_ASSERT(rtn_flag);
ppc.set_t0(t0);
ppc.set_segment_dt(t1-t0, 0);
rtn_flag=ppc.create(pc);
TEST_ASSERT(rtn_flag);
// extract the curve and obtain the monomial coefficients
curve_type crv;
typename curve_type::monomial_coefficient_type coef_out;
pc.get(crv, 0);
crv.get_monomial_coefficients(coef_out);
// test the coefficients
index_type i;
i=0;
TEST_ASSERT(tol.approximately_equal(coef_out(i, 0), coef1(i)));
i=1;
TEST_ASSERT(tol.approximately_equal(coef_out(i, 0), coef1(i)));
i=2;
TEST_ASSERT(tol.approximately_equal(coef_out(i, 0), coef1(i)));
i=3;
TEST_ASSERT(tol.approximately_equal(coef_out(i, 0), coef1(i)));
i=4;
TEST_ASSERT(tol.approximately_equal(coef_out(i, 0), coef1(i)));
i=0;
TEST_ASSERT(tol.approximately_equal(coef_out(i, 1), coef2(i)));
i=1;
TEST_ASSERT(tol.approximately_equal(coef_out(i, 1), coef2(i)));
i=2;
TEST_ASSERT(tol.approximately_equal(coef_out(i, 1), 0));
i=3;
TEST_ASSERT(tol.approximately_equal(coef_out(i, 1), 0));
i=4;
TEST_ASSERT(tol.approximately_equal(coef_out(i, 1), 0));
i=0;
TEST_ASSERT(tol.approximately_equal(coef_out(i, 2), 0));
i=1;
TEST_ASSERT(tol.approximately_equal(coef_out(i, 2), 0));
i=2;
TEST_ASSERT(tol.approximately_equal(coef_out(i, 2), 0));
i=3;
TEST_ASSERT(tol.approximately_equal(coef_out(i, 2), 0));
i=4;
TEST_ASSERT(tol.approximately_equal(coef_out(i, 2), 0));
}
