On 11/11/16 19:56, Vlad Khorsun wrote: > 11.11.2016 17:20, Alex Peshkoff wrote: >> Decimal floating point numbers - first draft > Great ! > >> This is according to FB4 roadmap - enhancement of precision of >> calculations in firebird. >> You can read about decfloat datatype here: >> https://www.toadworld.com/platforms/ibmdb2/w/wiki/7700.decfloat-overview >> IBM's library decNumber (has ICU license) >> http://speleotrove.com/decimal/decnumber.html is used in out implementation. >> >> What's done: >> - Added new datatypes: DECFLOAT(16) and DECFLOAT(34), using 64/128 bits >> for numbers representation. >> - It can be used in all calculations, including various aggregates, >> power and logarithm, but missing trigonometry. >> - DecFloats are supported in network protocol. >> >> What's missing: >> - Use of decimal float in sort operations > Also, it can't be indexed so far, correct ?
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