From 8dd86f878d8fd02ebcda87454065e3bb18d13432 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ian@davenant.relativity.greenend.org.uk>
Date: Wed, 2 Jan 2008 00:10:26 +0000
Subject: [PATCH] can glue to old moebius too

---
 approxmodel | 21 +++++++++++++++++++++
 generator   | 34 ++++++++--------------------------
 library.pl  | 29 +++++++++++++++++++++++++++++
 primer.c    | 22 +++++++++++++++-------
 4 files changed, 73 insertions(+), 33 deletions(-)
 create mode 100755 approxmodel
 create mode 100644 library.pl

diff --git a/approxmodel b/approxmodel
new file mode 100755
index 0000000..c1c7d36
--- /dev/null
+++ b/approxmodel
@@ -0,0 +1,21 @@
+#!/usr/bin/perl
+require 'library.pl';
+die unless @ARGV==4;
+($primer,$instructions,$aout,$output) = @ARGV;
+$output =~ s/^\-o// or die "$output ?";
+die if $primer =~ m/^\-/;
+die if $instructions =~ m/^\-/;
+
+$aoutin= "$output.aoutin.tmp";
+$initdata= "$output.initdata.tmp";
+
+run("cat $instructions >$aoutin");
+run("./$primer 'pointmap ' ' ' ' ' ' ' ' ' ' # '  'echo ' ' ' u >>$aoutin");
+
+open A, ">>$aoutin" or die $!;
+print A "quit\n" or die $!;
+close A or die $!;
+    
+run("./$aout <$aoutin >$initdata");
+
+make_initdata();
diff --git a/generator b/generator
index 4dab49c..6cdbab2 100755
--- a/generator
+++ b/generator
@@ -1,25 +1,26 @@
 #!/usr/bin/perl
+require 'library.pl';
 die unless @ARGV==4;
 ($primer,$zinput,$options,$output) = @ARGV;
 $output =~ s/^\-o// or die "$output ?";
 die if $primer =~ m/^\-/;
 die if $zinput =~ m/^\-/;
 
-die unless $options =~ m/^\-([lT])$/;
+die unless $options =~ m/^\-([gTa])$/;
 $ztype= $1;
 
 $gnuplot= "$output.gnuplot.tmp";
 $initdata= "$output.initdata.tmp";
 
-open Z, "$zinput" or die "$zinput $!";
 open G, ">$gnuplot" or die $!;
 
-sub pg ($$) { printf G "%s(u,v) = %s\n", @_ or die $!; }
+open Z, "$zinput" or die "$zinput $!";
 
+sub pg ($$) { printf G "%s(u,v) = %s\n", @_ or die $!; }
 for (;;) {
     $!=0; defined($_= <Z>) or die "$zinput $!";
     s/\r$//;
-    if ($ztype eq 'l') {
+    if ($ztype eq 'g') {
 	print G or die $!;
 	last if m/^END$/;
     } elsif ($ztype eq 'T') {
@@ -32,27 +33,8 @@ for (;;) {
 printf G "set print \"-\"\n" or die $!;
 close G or die $!;
 
-sub run ($) {
-    print "    $_[0]\n";
-    $!=0; system($_[0]); die "$! $?" if $! or $?;
-}
-
-run("./$primer >>$gnuplot");
+run("./$primer 'print ' '+-+' 'xyz' '( ' ', ' ');  # ' ".
+    "'print ' ', ' - >>$gnuplot");
 run("gnuplot $gnuplot >$initdata");
 
-open I, "$initdata" or die "$initdata $!";
-open B, ">$output.new" or die "$output.new $!";
-
-$_= <I>;
-m/^(\d+) .*/ or die "$_ ?";
-
-$dim= $1;
-for ($i=0; $i<$dim; $i++) {
-    $!=0; defined($_= <I>) or die "$initdata $!";
-    print B pack "d", $_ or die $!;
-}
-
-close B or die $!;
-rename "$output.new",$output or die $!;
-
-print "    wrote $output\n";
+make_initdata();
diff --git a/library.pl b/library.pl
new file mode 100644
index 0000000..cb7a59b
--- /dev/null
+++ b/library.pl
@@ -0,0 +1,29 @@
+sub run ($) {
+    print "    $_[0]\n";
+    $!=0; system($_[0]); die "$! $?" if $! or $?;
+}
+
+sub make_initdata () {
+    open I, "$initdata" or die "$initdata $!";
+    open B, ">$output.new" or die "$output.new $!";
+
+    $_= <I>;
+    m/^(\d+) .*/ or die "$_ ?";
+
+    $dim= $1;
+
+    for ($i=0; $i<$dim; $i++) {
+	for (;;) {
+	    $!=0; defined($_= <I>) or die "$initdata $!";
+	    last if m/\S/;
+	}
+	print B pack "d", $_ or die $!;
+    }
+
+    close B or die $!;
+    rename "$output.new",$output or die $!;
+
+    print "    wrote $output\n";
+}
+
+1;
diff --git a/primer.c b/primer.c
index f023b10..1ec587d 100644
--- a/primer.c
+++ b/primer.c
@@ -11,9 +11,11 @@ int main(int argc, const char **argv) {
   static const int prec= DBL_DIG+2;
   int vi, k;
   
-  if (argc>1) { fputs("no args please\n",stderr); exit(8); }
+  if (argc!=10 || !strlen(argv[2]) || strlen(argv[2]) != strlen(argv[3]))
+    { fputs("wrong # args or lengths\n",stderr); exit(8); }
 
-  printf("print %d, %d, %d, %d, %d\n", DIM, N, X, Y, D3);
+  printf("%s%d%s%d%s%d%s%d%s%d\n",
+	 argv[7], DIM, argv[8], N, argv[8], X, argv[8], Y, argv[8], D3);
   
   FOR_VERTEX(vi) {
     int x= vi & XMASK; /* distance along strip */
@@ -24,12 +26,18 @@ int main(int argc, const char **argv) {
      * So that corresponds to 0..X (since 0==X in our scheme).
      * Vertices with odd y coordinate are halfway to the next x coordinate.
      */
-    double v= (x*2 + (y&1)) * M_PI / (X*2);
+    double v= (x*2 + (y&1)) * 1.0 / (X*2);
 
-    K printf("print %c%c( %-*.*g, %-*.*g);  # %03x %2d %2d\n",
-	     "+-+"[k], "xyz"[k],
-	     prec+5,prec,u, prec+5,prec,v,
-	     vi, x, y);
+    if (!strchr(argv[9],'u'))
+      v *= M_PI;
+    
+    K {
+      if (k >= strlen(argv[2])) break;
+      printf("%s%c%c%s%-*.*g%s%-*.*g%s%03x %2d %2d\n",
+	     argv[1], argv[2][k], argv[3][k], argv[4],
+	     prec+5,prec,u, argv[5], prec+5,prec,v,
+	     argv[6], vi, x, y);
+    }
   }
   flushoutput();
   return 0;
-- 
2.30.2