diff --git a/winsup/mingw/ChangeLog b/winsup/mingw/ChangeLog
index bf7959518..f82d4ca7b 100644
--- a/winsup/mingw/ChangeLog
+++ b/winsup/mingw/ChangeLog
@@ -1,3 +1,9 @@
+2006-09-06  Danny Smith  <dannysmith@users.sourceforge.net>
+
+	* mingwex/gdtoa/misc.c (pow5mult): Restore original code.
+	* mingwex/gdtoa/gdtoa.h. Add comment that files have been modified.
+	* mingwex/gdtoa/gdtoaimp.h: Include system headers with <> brackets.
+
 2006-09-01  Danny Smith  <dannysmith@users.sourceforge.net>
 
 	* mingwex/gdtoa/(arithchk.c, dmisc.c, dtoa.c, g__fmt.c, g_dfmt.c,
diff --git a/winsup/mingw/mingwex/gdtoa/gdtoa.h b/winsup/mingw/mingwex/gdtoa/gdtoa.h
index f19d5a29c..285834b30 100755
--- a/winsup/mingw/mingwex/gdtoa/gdtoa.h
+++ b/winsup/mingw/mingwex/gdtoa/gdtoa.h
@@ -29,6 +29,9 @@ THIS SOFTWARE.
 /* Please send bug reports to David M. Gay (dmg at acm dot org,
  * with " at " changed at "@" and " dot " changed to ".").	*/
 
+/* Modified by Danny Smith for inclusion in libmingwex.a
+   Aug 2006  */
+
 #ifndef GDTOA_H_INCLUDED
 #define GDTOA_H_INCLUDED
 
@@ -108,7 +111,6 @@ extern char* __gdtoa ANSI((FPI *fpi, int be, ULong *bits, int *kindp,
 			 int mode, int ndigits, int *decpt, char **rve));
 extern void __freedtoa ANSI((char*));
 
-
 extern int __strtodg ANSI((CONST char*, char**, FPI*, Long*, ULong*));
 extern float  __strtof ANSI((CONST char *, char **));
 extern double  __strtod ANSI((CONST char *, char **));
diff --git a/winsup/mingw/mingwex/gdtoa/gdtoaimp.h b/winsup/mingw/mingwex/gdtoa/gdtoaimp.h
index 9cdab6c16..b27524e7f 100755
--- a/winsup/mingw/mingwex/gdtoa/gdtoaimp.h
+++ b/winsup/mingw/mingwex/gdtoa/gdtoaimp.h
@@ -172,9 +172,9 @@ THIS SOFTWARE.
 
 #define INFNAN_CHECK 1
 #define MULTIPLE_THREADS 1
- 
+
 #ifdef DEBUG
-#include "stdio.h"
+#include <stdio.h>
 #define Bug(x) {fprintf(stderr, "%s\n", x); exit(1);}
 #endif
 
@@ -235,7 +235,7 @@ extern Char *MALLOC ANSI((size_t));
 #endif
 
 #else /* ifndef Bad_float_h */
-#include "float.h"
+#include <float.h>
 #endif /* Bad_float_h */
 
 #ifdef IEEE_Arith
@@ -252,7 +252,7 @@ extern Char *MALLOC ANSI((size_t));
 #endif
 
 #ifndef __MATH_H__
-#include "math.h"
+#include <math.h>
 #endif
 
 #ifdef __cplusplus
@@ -479,7 +479,6 @@ extern void memcpy_D2A ANSI((void*, const void*, size_t));
 #define Bcopy(x,y) memcpy(&x->sign,&y->sign,y->wds*sizeof(ULong) + 2*sizeof(int))
 #endif /* NO_STRING_H */
 
-
 #ifdef __GNUC__
 static inline int
 __lo0bits_D2A (ULong *y)
@@ -513,7 +512,6 @@ __hi0bits_D2A (ULong y)
 #define decrement __decrement_D2A
 #define diff __diff_D2A
 #define dtoa_result __dtoa_result_D2A
-#define g__fmt __g__fmt_D2A
 #define gethex __gethex_D2A
 #define hexdig __hexdig_D2A
 #define hexnan __hexnan_D2A
diff --git a/winsup/mingw/mingwex/gdtoa/misc.c b/winsup/mingw/mingwex/gdtoa/misc.c
index a3010d9c2..784f900c2 100755
--- a/winsup/mingw/mingwex/gdtoa/misc.c
+++ b/winsup/mingw/mingwex/gdtoa/misc.c
@@ -36,7 +36,7 @@ THIS SOFTWARE.
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 
-#define NLOCKS 1
+#define NLOCKS 2
 
 #ifdef USE_WIN32_SL
 /* Use spin locks. */ 
@@ -111,15 +111,12 @@ static void dtoa_unlock(int n)
 
 #endif /* __MINGW32__ */
 
-
 #include "gdtoaimp.h"
 
-
 #ifndef MULTIPLE_THREADS
  char *dtoa_result;
 #endif
 
-
  static Bigint *freelist[Kmax+1];
 #ifndef Omit_Private_Memory
 #ifndef PRIVATE_MEM
@@ -460,25 +457,6 @@ mult
 	return c;
 	}
 
-#if 1
-/* Returns (*b) * (5**k).  b is modified. */
-/* Re-written by Per Bothner to not need a static list. */
-
-Bigint *
-pow5mult(Bigint *b, int k)
-{
-  static int p05[6] = { 5, 25, 125, 625, 3125, 15625 };
-
-  for (; k > 6; k -= 6)
-    multadd(b, 15625, 0); /* b *= 5**6 */
-  if (k != 0)
-    multadd(b, p05[k-1], 0);
-  return b;
-}
-
-
-#else  /* Original code */
-
  static Bigint *p5s;
 
  Bigint *
@@ -537,7 +515,6 @@ pow5mult
 		}
 	return b;
 	}
-#endif /* Original code */
 
 
  Bigint *