===================================================================
RCS file: /home/cvs/OpenXM/src/kan96xx/Doc/ecart.sm1,v
retrieving revision 1.23
retrieving revision 1.26
diff -u -p -r1.23 -r1.26
--- OpenXM/src/kan96xx/Doc/ecart.sm1	2004/05/05 07:32:54	1.23
+++ OpenXM/src/kan96xx/Doc/ecart.sm1	2004/05/14 02:35:03	1.26
@@ -1,4 +1,4 @@
-% $OpenXM: OpenXM/src/kan96xx/Doc/ecart.sm1,v 1.22 2004/05/05 06:57:09 takayama Exp $ 
+% $OpenXM: OpenXM/src/kan96xx/Doc/ecart.sm1,v 1.25 2004/05/13 05:52:53 takayama Exp $ 
 %[(parse) (hol.sm1) pushfile] extension
 %[(parse) (appell.sm1) pushfile] extension
 
@@ -7,6 +7,8 @@
 /ecart.end   { endEcart } def
 /ecart.autoHomogenize 1 def
 /ecart.needSyz 0 def
+/ecartd.gb.oxRingStructure [ ] def
+
 /ecartd.begin { 
   ecart.begin
   [(EcartAutomaticHomogenization) 1] system_variable
@@ -87,7 +89,7 @@
      ll (0). eq {
      } {
        ll getRing /rr set
-       ll [ [ (H) rr ,, (1) rr ,, ] 
+       ll [ [ @@@.Hsymbol rr ,, (1) rr ,, ] 
             [ (h) rr ,, (1) rr ,, ]] replace
        /ll set
      } ifelse
@@ -113,7 +115,7 @@
      ll (0). eq {
      } {
        ll getRing /rr set
-       ll [ [ (H) rr ,, (1) rr ,, ] ] replace
+       ll [ [ @@@.Hsymbol rr ,, (1) rr ,, ] ] replace
        /ll set
      } ifelse
    } ifelse
@@ -195,7 +197,7 @@
   [/in.ecart.wv1 /v] pushVariables
   [
     /v arg1 def
-    [(H) (h) v to_records pop] /v set
+    [@@@.Hsymbol (h) v to_records pop] /v set
     v { 1 } map /v set
     /arg1 v def
   ] pop
@@ -244,6 +246,7 @@
   $  [(degreeShift) ds (noAutoHomogenize) 1 (sugar) 1] -->use the sugar strate $
   (  )
   $cf. ecarth.gb (homogenized),  ecartd.gb (dehomogenize), ecartd.reduction $
+  (    ecartd.gb.oxRingStructure )
   ( )
   $Example 1: [ [( (x Dx)^2 + (y Dy)^2 -1) ( x y Dx Dy -1)] (x,y) $
   $             [ [ (Dx) 1 ] [(x) -1 (y) -1 (Dx) 1 (Dy) 1]] ] ecart.gb pmat ; $
@@ -919,14 +922,14 @@
        (ecartd.gb : Input polynomial or vectors are automatically homogenized without degreeShift) ecart.message
        f { {. ecart.dehomogenize} map} map /f set   
        f ecart.homogenize01 /f set
-       f { { [[(H). (1).]] replace } map } map /f set
+       f { { [[@@@.Hsymbol . (1).]] replace } map } map /f set
      } ifelse
    } {
 % Automatic h-homogenization with degreeShift
        (ecartd.gb : Input polynomial or vectors are automatically homogenized with degreeShift) message
        f { {. ecart.dehomogenize} map} map /f set   
        f {/fi set [(degreeShift) hdShift fi] homogenize} map /f set
-       f { { [[(H). (1).]] replace } map } map /f set
+       f { { [[@@@.Hsymbol . (1).]] replace } map } map /f set
    }ifelse
 
     ecart.useSugar {
@@ -971,6 +974,7 @@
 
     ecartd.end
 
+    ans getRing (oxRingStructure) dc /ecartd.gb.oxRingStructure set
     %% 
     env1 restoreOptions  %% degreeShift changes "grade"
 
@@ -1795,7 +1799,7 @@
 } def
 /ecart.homogenize01Ideal {
  /arg1 set
- [/in.ecart.homogenize01Ideal /ll /vv /wv] pushVariables
+ [/in.ecart.homogenize01Ideal /ll /vv /wv /ans] pushVariables
  [
    /ll arg1 0 get def
    /vv arg1 1 get def
@@ -1809,7 +1813,9 @@
    [vv ring_of_differential_operators
     vv ecart.stdOrder weight_vector 0
     [(weightedHomogenization) 1]] define_ring
-   ll ,,, {ecart.homogenize01 ecart.dehomogenizeH} map /arg1 set
+   ll ,,, {ecart.homogenize01 ecart.dehomogenizeH} map /ans set
+   ecart.end
+   /arg1 ans def
  ] pop
  popVariables
  arg1