Re: efficient math vector operations on arrays

From: Jim Nasby <Jim(dot)Nasby(at)BlueTreble(dot)com>
To: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Marcus Engene <mengpg2(at)engene(dot)se>
Cc: "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: Re: efficient math vector operations on arrays
Date: 2015-12-25 19:58:32
Message-ID: 567D9FE8.9080702@BlueTreble.com
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On 12/24/15 1:56 AM, Pavel Stehule wrote:
> I don't know any extension that calculate euclid distance, but it should
> be trivial in C - if you don't need to use generic types and generic
> operations.

Before messing around with that, I'd recommend trying either pl/r or
pl/pythonu.
--
Jim Nasby, Data Architect, Blue Treble Consulting, Austin TX
Experts in Analytics, Data Architecture and PostgreSQL
Data in Trouble? Get it in Treble! http://BlueTreble.com

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