Remove FXSYS_MulDiv(a, b, c).

third_party/agg23/agg_math.h

 
 //----------------------------------------------------------------------------
 // Anti-Grain Geometry - Version 2.3
 // Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com)
 //
 // Permission to copy, use, modify, sell and distribute this software
 // is granted provided this copyright notice appears in all copies.
 // This software is provided "as is" without express or implied
 // warranty, and with no claim as to its suitability for any purpose.
 //
@@ skipping 26 matching lines @@
 AGG_INLINE FX_FLOAT calc_line_point_distance(FX_FLOAT x1, FX_FLOAT y1,
         FX_FLOAT x2, FX_FLOAT y2,
         FX_FLOAT x,  FX_FLOAT y)
 {
     FX_FLOAT dx = x2 - x1;
     FX_FLOAT dy = y2 - y1;
     FX_FLOAT d = FXSYS_sqrt2(dx, dy);
     if(d < intersection_epsilon) {
         return calc_distance(x1, y1, x, y);
     }
-    return FXSYS_MulDiv(x - x2, dy, d) - FXSYS_MulDiv(y - y2, dx, d);
+    return ((x - x2) * dy / d) - ((y - y2) * dx / d);
 }
 AGG_INLINE bool calc_intersection(FX_FLOAT ax, FX_FLOAT ay, FX_FLOAT bx, FX_FLOAT by,
                                   FX_FLOAT cx, FX_FLOAT cy, FX_FLOAT dx, FX_FLOAT dy,
                                   FX_FLOAT* x, FX_FLOAT* y)
 {
   FX_FLOAT num = ((ay - cy) * (dx - cx)) - ((ax - cx) * (dy - cy));
   FX_FLOAT den = ((bx - ax) * (dy - cy)) - ((by - ay) * (dx - cx));
     if (FXSYS_fabs(den) < intersection_epsilon) {
         return false;
     }
-    *x = ax + FXSYS_MulDiv(bx - ax, num, den);
-    *y = ay + FXSYS_MulDiv(by - ay, num, den);
+    *x = ax + ((bx - ax) * num / den);
+    *y = ay + ((by - ay) * num / den);
     return true;
 }
 }
 #endif