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Format by Specification - one digit after the decimal returns incorrect


From: Martin Michel
Subject: Format by Specification - one digit after the decimal returns incorrect result
Date: Tue, 27 Sep 2022 20:51:57 +0200
User-agent: NeoMutt/20170113 (1.7.2)

Hi all,

I observe a strange behavior when using the format operator for displaying 
numbers with one digit after the decimal.

Here is my case:

0 1⍕ ¯9.4962 ¯9.9863 ¯10.4764
¯9.5 ¯.0 ¯10.5

Why is the second item not printed as ¯10.0 ?
Have I misunderstood the Format by Specification operator or is it a bug?

Other cases work either correct or also questionable in case of the scientific 
format:

0 2⍕ ¯9.4962 ¯9.9863 ¯10.4764
¯9.50 ¯9.99 ¯10.48
0 ¯1⍕ ¯9.4962 ¯9.9863 ¯10.4764
¯10E0 ¯10E0 ¯1E1
0 ¯2⍕ ¯9.4962 ¯9.9863 ¯10.4764
¯9.5E0 ¯10E0 ¯1.1E1

Kind regards,
Martin




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