# HG changeset patch
# User jbe
# Date 1407694737 -7200
# Node ID 33c8f7029cfa22bf3c6801d719620db141ad03d0
# Parent  e61bf25f3d04d5fe4cb337abc18d96222231094a
Minimum decimal floating point precision of 16 in json.encode(...)

diff -r e61bf25f3d04 -r 33c8f7029cfa libraries/json/json.c
--- a/libraries/json/json.c	Sun Aug 10 20:04:36 2014 +0200
+++ b/libraries/json/json.c	Sun Aug 10 20:18:57 2014 +0200
@@ -1094,9 +1094,7 @@
       // throw error if number is positive or negative infinity:
       if (isinf(num)) return luaL_error(L, "JSON export not possible for infinite numbers");
       // determine necessary precision to represent double precision floating point number:
-      sprintf(numstr, "%.14g", num);
-      if (strtod(numstr, NULL) != num) sprintf(numstr, "%.15g", num);
-      if (strtod(numstr, NULL) != num) sprintf(numstr, "%.16g", num);
+      sprintf(numstr, "%.16g", num);
       if (strtod(numstr, NULL) != num) sprintf(numstr, "%.17g", num);
       // add string encoding of the number to the output buffer:
       luaL_addstring(&buf, numstr);