digraph G { edge [fontname="FreeSans",fontsize="10",labelfontname="FreeSans",labelfontsize="10"]; node [fontname="FreeSans",fontsize="10",shape=record]; rankdir=LR; Node1 [label="sqmat",height=0.2,width=0.4,color="black", fillcolor="white", style="filled",URL="$classsqmat.html",tooltip="Virtual class for representation of double symmetric matrices in square-root form..."]; Node1 -> Node2 [dir=back,color="midnightblue",fontsize="10",style="solid",fontname="FreeSans"]; Node2 [label="chmat",height=0.2,width=0.4,color="black", fillcolor="white", style="filled",URL="$classchmat.html",tooltip="Symmetric matrix stored in square root decomposition using upper cholesky."]; Node1 -> Node3 [dir=back,color="midnightblue",fontsize="10",style="solid",fontname="FreeSans"]; Node3 [label="fsqmat",height=0.2,width=0.4,color="black", fillcolor="white", style="filled",URL="$classfsqmat.html",tooltip="Fake sqmat. This class maps sqmat operations to operations on full matrix."]; Node1 -> Node4 [dir=back,color="firebrick4",fontsize="10",style="solid",fontname="FreeSans"]; Node4 [label="ldmat",height=0.2,width=0.4,color="black", fillcolor="white", style="filled",URL="$classldmat.html",tooltip="Matrix stored in LD form, (commonly known as UD)."]; }