diff -up ghostscript-9.07/trio/trio.c~ ghostscript-9.07/trio/trio.c
--- ghostscript-9.07/trio/trio.c~	2014-05-14 16:44:46.390090859 +0100
+++ ghostscript-9.07/trio/trio.c	2014-05-14 17:52:24.247609272 +0100
@@ -3172,6 +3172,9 @@ TRIO_ARGS6((self, number, flags, width,
   if (integerNumber > epsilon)
     {
       integerDigits += (int)TrioLogarithm(integerNumber, base);
+      /* Deal with the dangers of casting long double to int */
+      if (integerNumber - TrioPower (base, integerDigits) >= 0)
+	integerDigits++;
     }
 
   fractionDigits = precision;
@@ -3255,6 +3258,11 @@ TRIO_ARGS6((self, number, flags, width,
 	      integerDigits = (integerNumber > epsilon)
 		? 1 + (int)TrioLogarithm(integerNumber, base)
 		: 1;
+
+	      /* Deal with the dangers of casting long double to int */
+	      if (integerNumber - TrioPower (base, integerDigits) >= 0)
+		integerDigits++;
+
 	      if (flags & FLAGS_FLOAT_G)
 		{
 		  if (flags & FLAGS_ALTERNATIVE)