Regression error on float8

I'm getting the following regression errors with a backend built using
Visual C++:

*** ./expected/float8-exp-three-digits-win32.out Wed Jun 8
23:15:29 2005
--- ./results/float8.out Sun Apr 23 20:44:44 2006
***************
*** 324,331 ****
| 0 | 0
| 1004.3 | 10.014312837827
| -34.84 | -3.26607421344208
! | 1.2345678901234e+200 | 4.97933859234765e+066
! | 1.2345678901234e-200 | 2.3112042409018e-067
(5 rows)

SELECT '' AS five, * FROM FLOAT8_TBL;
--- 324,331 ----
| 0 | 0
| 1004.3 | 10.014312837827
| -34.84 | -3.26607421344208
! | 1.2345678901234e+200 | 4.9793385923476e+066
! | 1.2345678901234e-200 | 2.31120424090182e-067
(5 rows)

SELECT '' AS five, * FROM FLOAT8_TBL;

======================================================================

Any pointers appreciated...

//Magnus