...thus the virtue of scaled integers. scaling by 100 makes cents whole, scaling by 10000*100 gives four decimal places beyond that. There is nothing bad about floating point despite the reputation, it's just not the number system from algebra; nor is binary floating point the same as decimal floating point. The problems all start with false presumptions.
On Sun, Jan 26, 2020 at 8:20 AM Robert Engels <reng...@ix.netcom.com> wrote: > Just an FYI, often that is not correct. Many financial systems require > fractional pennies due to the volume of transactions. Think about taxing > stock exchanges.... the pennies add up quickly at any tax rate, so they use > fractional pennies to reduce the size of the error bucket. > > On Jan 26, 2020, at 8:50 AM, Pat Farrell <pat22...@gmail.com> wrote: > > > never use floating point if you are trying to represent money, say dollars > and cents or decimal values of the euro. > Store the money as integer number of pennies. > > -- > You received this message because you are subscribed to the Google Groups > "golang-nuts" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to golang-nuts+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/golang-nuts/cc852ce3-6f88-40fd-8b19-877c76deec10%40googlegroups.com > <https://groups.google.com/d/msgid/golang-nuts/cc852ce3-6f88-40fd-8b19-877c76deec10%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > -- > You received this message because you are subscribed to the Google Groups > "golang-nuts" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to golang-nuts+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/golang-nuts/AF9827F5-C849-4F4E-8229-005D6C9A0E03%40ix.netcom.com > <https://groups.google.com/d/msgid/golang-nuts/AF9827F5-C849-4F4E-8229-005D6C9A0E03%40ix.netcom.com?utm_medium=email&utm_source=footer> > . > -- *Michael T. jonesmichael.jo...@gmail.com <michael.jo...@gmail.com>* -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/CALoEmQy7m4-%3DJVQHpGf-kmH3T13gYQGe4%3DGd4%2BBBQT1pGtFDpA%40mail.gmail.com.
