unsigned long staticity( method const& m )
{
unsigned long s = 0ul; //1ul;
for ( int i=0, b=m.bells(); i!=b-1; ++i)
{
int j=0, l=m.size();
while ( j!=l && ( m[j].findswap(i) ||
m[j].findplace(i) && m[j].findplace(i+1) ) )
++j;
if (j==l)
return static_cast<unsigned long>(-1);
for ( int k=j; k<j+l; ++k )
{
int k0=k;
while ( k!=j+l && ( m[k%l].findswap(i) ||
m[k%l].findplace(i) && m[k%l].findplace(i+1) ) )
++k;
if (k!=k0) {
// s *= ipower( 2, k-k0-1 );
s += k-k0-1;
}
}
}
return s;
}
string tenors_together_coursing_order( const method& m )
{
const row lh( m.lh() );
int i(0);
bell b( m.bells() - 1 );
do {
b *= lh, ++i;
assert( i <= m.bells() );
} while ( b < m.bells() - 2 );
if ( b == m.bells() - 1 ) // 7 and 8 are in different orbits
throw runtime_error( "Unable to get a tenors together coursing order" );
assert( b == m.bells() - 2 );
row cg(lh);
for ( int j=1; j<i; ++j ) cg *= lh;
make_string ms;
ms << b;
do {
ms << (b *= cg);
} while ( b != m.bells() - 1 );
return ms;
}