gnucash stable: [gnc-euro.cpp] store euro rates as GncNumeric

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/b3e80748 (commit)
	from  https://github.com/Gnucash/gnucash/commit/9db7b443 (commit)



commit b3e8074890230e4413ab963c28cfff7afd722265
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Fri Jul 10 07:06:53 2026 +0400

    [gnc-euro.cpp] store euro rates as GncNumeric
    
    this increases euro conversion rounding accuracy



Summary of changes:
 libgnucash/engine/gnc-euro.cpp            | 63 +++++++++++++++----------------
 libgnucash/engine/test/gtest-gnc-euro.cpp |  6 +--
 2 files changed, 33 insertions(+), 36 deletions(-)