Viewing file:  pr102360.C (1.26 KB) -rw-r--r--
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// { dg-do compile }
// { dg-options "-fno-tree-dse -O1 -ftrivial-auto-var-init=pattern" }
class A;
template <typename _Tp, int m, int n> class B {
public:
_Tp val[m * n];
};
class C {
public:
C(A);
};
struct D {
D();
unsigned long &operator[](int);
unsigned long *p;
};
class A {
public:
template <typename _Tp, int m, int n> A(const B<_Tp, m, n> &, bool);
int rows, cols;
unsigned char *data;
unsigned char *datastart;
unsigned char *dataend;
unsigned char *datalimit;
D step;
};
template <typename _Tp, int m, int n>
A::A(const B<_Tp, m, n> &p1, bool)
: rows(m), cols(n) {
step[0] = cols * sizeof(_Tp);
datastart = data = (unsigned char *)p1.val;
datalimit = dataend = datastart + rows * step[0];
}
class F {
public:
static void compute(C);
template <typename _Tp, int m, int n, int nm>
static void compute(const B<_Tp, m, n> &, B<_Tp, nm, 1> &, B<_Tp, m, nm> &,
B<_Tp, n, nm> &);
};
D::D() {}
unsigned long &D::operator[](int p1) { return p[p1]; }
template <typename _Tp, int m, int n, int nm>
void F::compute(const B<_Tp, m, n> &, B<_Tp, nm, 1> &, B<_Tp, m, nm> &,
B<_Tp, n, nm> &p4) {
A a(p4, false);
compute(a);
}
void fn1() {
B<double, 4, 4> b, c, e;
B<double, 4, 1> d;
F::compute(b, d, c, e);
}
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