inline typename enable_if<import::is_arithmetic<Tp>, Tp>::type
check_square(Tp x)
{
Tp zero = Tp(); // get 0
if (x != zero)
{
Tp abs = check_abs(x);
if (((std::numeric_limits<Tp>::max)() / abs) < abs)
{
std::stringstream out;
out << "square(" << x << ") caused overflow";
throw arithmetic_error(out.str());
}
return x * x;
}
return zero;
}
static inline int classify(int x1,int y1,int w,int h,int x,int y,int *a,int *b,int *c)
{
int rv;
if(y<y1)
return EOB;
#ifndef AVOID_DELTA
if((rv=check_delta(x1,y1,w,h,x,y,a,b,c))!=NOPE)
{
return rv;
}
#endif
if((rv=check_rle(x1,y1,w,h,x,y,a,b,c))!=NOPE)
{
return rv;
}
if((rv=check_abs(x1,y1,w,h,x,y,a,b,c))!=NOPE)
{
return rv;
}
return NOPE;
}
