This beta has quite a few new features. Look at
https://code.jsoftware.com/wiki/System/ReleaseNotes/J901 for the full list.
Important new primitives include Fold, which allows better control of
iteration.
There are several changes requested by users. Users writing modifiers
will find u./v. very useful as it removes the difficulties with passing
local names into a modifier.
Henry Rich
On 8/26/2019 6:37 PM, Eric Iverson wrote:
Improvements in this release allow it to be automatically installed into an
existing j901 install (no need to run a command script).
First step is to install latest base library with pacman and then restart.
JE naming conventions change in beta-h. An install contains a single JE
(e.g., j.dll). An initial install JE will run on all hardware and does not
require advance hardware. Update checks hardware capabilties and downloads
an appropriate advanced hardware version if available. For example,
hardware check could indicate avx is supported, so update would download
the latest javx.dll, which would then renamed to j.dll in the install
folder.
Install the j901 beta-h:
start J:
load'pacman'
je_update_jpacman_'
An available advanced hardware or newer beta version JE will be installed.
Restart J to run the new JE and check JVERSION.
NOTE: Older j901 installs don't support the query for hardware
capabilities. In this case update will install the new beta version
(without advanced hardware support) as it can't be sure what version will
work. Running update again will get the appropriate advanced hardware
version.
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