From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sat, 30 Jul 2022 01:11:26 +0000 (-0700)
Subject: sfdpgen SparseStressMajorizationSmoother_new: remove inverse distance weighting
X-Git-Tag: 5.0.1~22^2~1
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d6c8a6c2c453fd00ae7530f2dbd4558b72fa110a;p=graphviz

sfdpgen SparseStressMajorizationSmoother_new: remove inverse distance weighting

This scheme is unused.
---

diff --git a/lib/sfdpgen/post_process.c b/lib/sfdpgen/post_process.c
index a25201dae..588525857 100644
--- a/lib/sfdpgen/post_process.c
+++ b/lib/sfdpgen/post_process.c
@@ -361,13 +361,6 @@ StressMajorizationSmoother SparseStressMajorizationSmoother_new(SparseMatrix A,
 	    w[nz] = -1/(dist*dist);
 	  }
 	  break;
-	case WEIGHTING_SCHEME_INV_DIST:
-	  if (dist*dist == 0){
-	    w[nz] = -100000;
-	  } else {
-	    w[nz] = -1/(dist);
-	  }
-	  break;
 	case WEIGHTING_SCHEME_NONE:
 	  w[nz] = -1;
 	  break;
diff --git a/lib/sfdpgen/post_process.h b/lib/sfdpgen/post_process.h
index 84c58d593..343bdf0f9 100644
--- a/lib/sfdpgen/post_process.h
+++ b/lib/sfdpgen/post_process.h
@@ -75,7 +75,7 @@ typedef  StressMajorizationSmoother SparseStressMajorizationSmoother;
 
 void SparseStressMajorizationSmoother_delete(SparseStressMajorizationSmoother sm);
 
-enum {WEIGHTING_SCHEME_NONE, WEIGHTING_SCHEME_INV_DIST, WEIGHTING_SCHEME_SQR_DIST};
+enum {WEIGHTING_SCHEME_NONE, WEIGHTING_SCHEME_SQR_DIST};
 SparseStressMajorizationSmoother SparseStressMajorizationSmoother_new(SparseMatrix A, int dim, double lambda, double *x, 
 								      int weighting_scheme, int scale_initial_coord);