# HG changeset patch
# User jbe
# Date 1497747828 -7200
# Node ID b29e082cafb872125684bd162db5a66c41dd4a04
# Parent  42ddff7319e0a144e53fede990919775ff7a1deb
Support for non-integer numbers in mondelefant_atom_connector (requires Lua 5.3)

diff -r 42ddff7319e0 -r b29e082cafb8 libraries/mondelefant/mondelefant_atom_connector.lua
--- a/libraries/mondelefant/mondelefant_atom_connector.lua	Sun Jun 18 01:58:25 2017 +0200
+++ b/libraries/mondelefant/mondelefant_atom_connector.lua	Sun Jun 18 03:03:48 2017 +0200
@@ -43,17 +43,29 @@
 end
 
 input_converters["number"] = function(conn, value)
-  local integer_string = string.format("%i", value)
-  if tonumber(integer_string) == value then
-    return integer_string
-  else
-    local number_string = tostring(value)
-    if string.find(number_string, "^[0-9.e+-]+$") then
-      return number_string
+  if _VERSION == "Lua 5.2" then
+    -- TODO: remove following compatibility hack to allow large integers (e.g. 1e14) in Lua 5.2
+    local integer_string = string.format("%i", value)
+    if tonumber(integer_string) == value then
+      return integer_string
     else
-      return "'NaN'"
+      local number_string = tostring(value)
+      if string.find(number_string, "^[0-9.e+-]+$") then
+        return number_string
+      else
+        return "'NaN'"
+      end
     end
   end
+  local integer = math.tointeger(value)
+  if integer then
+    return tostring(integer)
+  end
+  local str = tostring(value)
+  if string.find(str, "^[0-9.e+-]+$") then
+    return str
+  end
+  return "'NaN'"
 end
 
 input_converters[atom.fraction] = function(conn, value)