1 files changed, 3 insertions, 3 deletions
diff --git a/diff.awk b/diff.awk
index 03bc398..c79a5c3 100644
--- a/diff.awk
+++ b/diff.awk
@@ -4,7 +4,7 @@
 # numerical diff along columns
 
 BEGIN {
-    OFMT = "%.9g"
+    OFMT = "%.18g"
     sign = "[+-]?"
     decimal = "[0-9]+[.]?[0-9]*"
     fraction = "[.][0-9]*"
@@ -44,7 +44,7 @@ NF {
         if ($y == header[y] || $y == dheader[y])
             continue
         if ($y ~ number)
-            printf("%.12g", $y)
+            printf("%.18g", $y)
         else
             printf("")
         printf(OFS)
@@ -58,7 +58,7 @@ NF {
             data[y] = $y
             (data_prev[y] ~ number) ? diff[y] = data[y] - data_prev[y] : diff[y] = ""
             data_prev[y] = data[y]
-            printf("%.12g", diff[y])
+            printf("%.18g", diff[y])
         }
         else
             diff[y] = ""