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%!
% PostScript prologue for pst-coil.tex.
% Version 1.00, 2006/11/05
% For distribution, see pstricks.tex.
%
/tx@CoilDict 40 dict def tx@CoilDict begin
/CoilLoop { 
  /t ED 
  t sin AspectSin mul t 180 div AspectCos mul add t cos lineto } def
/Coil { 
  /Inc ED 
  dup sin /AspectSin ED 
  cos /AspectCos ED 
  /ArmB ED 
  /ArmA ED
  /h ED /w ED /y1 ED /x1 ED /y0 ED /x0 ED 
  x0 y0 translate y1 y0 sub x1 x0 sub 2 copy Pyth 
  /TotalLength ED 
  Atan rotate 
  /BeginAngle ArmA AspectCos Div w h mul Div 360 mul def 
  /EndAngle TotalLength ArmB sub AspectCos Div
    w h mul Div 360 mul def 
  1 0 0 0 ArrowA ArmA 0 lineto 
  /mtrx CM def 
  w h mul 2 Div w 2 Div scale BeginAngle Inc 
  EndAngle { CoilLoop } for
  EndAngle CoilLoop mtrx setmatrix TotalLength ArmB sub 0 lineto CP
% DG/SR modification begin - Jun.  2, 1998 - Patch 1 (from Michael Vulis)
% TotalLength 0 ArrowB lineto } def
  TotalLength 0 ArrowB lineto
  pop pop pop pop } def
% DG/SR modification end
/AltCoil { 
  /Inc ED 
  dup sin /AspectSin ED 
  cos /AspectCos ED /h ED /w ED /EndAngle ED /BeginAngle ED 
  /mtrx CM def 
  w h mul 2 Div w 2 Div scale BeginAngle sin AspectSin mul 
  BeginAngle 180 div AspectCos mul add BeginAngle cos 
  /lineto load stopped { moveto } if 
  BeginAngle Inc EndAngle { CoilLoop } for 
  EndAngle CoilLoop mtrx setmatrix } def
/ZigZag { 
  /ArmB ED /ArmA ED 
  2 div /w ED 
  w mul /h ED /y1 ED /x1 ED /y0 ED /x0 ED 
  x1 y1 translate y0 y1 sub x0 x1 sub 2 copy Pyth 
  /TotalLength ED
  Atan rotate TotalLength ArmA sub ArmB sub dup h div cvi /n ED n h mul
  sub 2 div dup ArmA add 
  /ArmA ED ArmB add 
  /ArmB ED 
  /x ArmB h 2 div add def 
  mark 0 0 ArmB 0 
  n { x w /w w neg def /x x h add def } repeat
  TotalLength ArmA sub 0 TotalLength 0 } def
%
end
% END pst-coil.pro