From mboxrd@z Thu Jan  1 00:00:00 1970
From: hjl@lucon.org (H.J. Lu)
To: egcs@cygnus.com
Subject: Another ppro bug
Date: Fri, 31 Oct 1997 17:23:00 -0000
Message-id: <m0xRSBl-0004ecC@ocean.lucon.org>
X-SW-Source: 1997-10/msg01282.html

On linux/PPro,

# cc -S -O -march=i686 foo.cc
foo.cc: In method `class PlotFile3D & PlotFile3D::space(const class Vec3D &, const class Vec3D &)':
foo.cc:45: Internal compiler error.
foo.cc:45: Please submit a full bug report to `egcs-bugs@cygnus.com'.


I think it may have something to do with fmov.

H.J.
----
class Vec3D 
{
protected:
  double          n[3];
public:
  double          x() const;    
  double          y() const;
  double          z() const;
};
const int    umini = 0;         
const int    vmini = 0;
const int    umaxi = 3120;
const int    vmaxi = 3120;
const double margin = 0.9;      
class PlotFile3D
{
protected:
  Vec3D        ul,vl,wl;          
  Vec3D        ur,vr,wr;          
  double       scale;             
  double       uorig, vorig;      
public:
  PlotFile3D&  space (const Vec3D& p0, const Vec3D& p1);
  PlotFile3D&  home();  
};
PlotFile3D& PlotFile3D::space(const Vec3D& pt0, const Vec3D& pt1)
{
    double umin  = (pt0.x() * ul.x()) <? (pt0.x() * ur.x())
                <? (pt1.x() * ul.x()) <? (pt1.x() * ur.x());
    double umax  = (pt0.x() * ul.x()) >? (pt0.x() * ur.x())
                >? (pt1.x() * ul.x()) >? (pt1.x() * ur.x());
    double vmin  = (pt0.x() * vl.x()) <? (pt0.x() * vr.x())
                <? (pt1.x() * vl.x()) <? (pt1.x() * vr.x());
    double vmax  = (pt0.x() * vl.x()) >? (pt0.x() * vr.x())
                >? (pt1.x() * vl.x()) >? (pt1.x() * vr.x());
    umin        += (pt0.y() * ul.y()) <? (pt0.y() * ur.y())
                <? (pt1.y() * ul.y()) <? (pt1.y() * ur.y());
    umax        += (pt0.y() * ul.y()) >? (pt0.y() * ur.y())
                >? (pt1.y() * ul.y()) >? (pt1.y() * ur.y());
    int pixwidth  = umaxi - umini;
    int pixheight = vmaxi - vmini;
    uorig = 0.5 * (pixwidth  - scale*(umin+umax));
    vorig = 0.5 * (pixheight - scale*(vmin+vmax));
    return home();
}