1 files changed, 6 insertions, 2 deletions
diff --git a/ludcmp.awk b/ludcmp.awk
index 6c7807a..8097263 100644
--- a/ludcmp.awk
+++ b/ludcmp.awk
@@ -11,6 +11,7 @@
 # note, matrix indexing begins with 1 and uses i=row, j=col
 # lu = L + U - I
 
+
 # decomposition of A
 function lu_decomp(A, n) {
 
@@ -43,6 +44,7 @@ function lu_decomp(A, n) {
     }
 }
 
+
 # regex to identify strings that look like numbers
 BEGIN {
     OFS = FS
@@ -53,12 +55,14 @@ BEGIN {
     number = "^" sign "(" decimal "|" fraction ")" exponent "$"
 }
 
+
 # column headers
 NR == 1 {
     for (n=1; n<=NF; n++)
         ($n ~ number) ? head[n] = "col" n : head[n] = $n
 }
 
+
 # read input data
 NF {
 
@@ -74,17 +78,17 @@ NF {
             print(matrix[count[n],n])
         }
     }
-
 }
 
+
 END {
     printf(ORS)
     print(NR, max_nf, size)
     printf(ORS)
     lu_decomp(matrix, size)
-
 }
 
+
 ## find solution of Ly = b, for y
 #for (i=0; i<n;, i++) {
 #    sum = 0