* how to convert string to float type?
@ 2000-11-09 0:00 Hackker Wong
2000-11-09 0:00 ` John English
0 siblings, 1 reply; 2+ messages in thread
From: Hackker Wong @ 2000-11-09 0:00 UTC (permalink / raw)
hi,
i am doing a calculator homework. i use get() in text_io to read the
whole expression including (+, -, *, /, numbers) in string format. but i
have a problem in converting sub-string to float type. would anyone help
me?
thx!
--
- By Hackker
****************************************************
Mr. Hackker Wong,
Y99 Student of Computer Science,
The Chinese University of Hong Kong.
****************************************************
-The World can't run without computer technicians-
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: how to convert string to float type?
2000-11-09 0:00 how to convert string to float type? Hackker Wong
@ 2000-11-09 0:00 ` John English
0 siblings, 0 replies; 2+ messages in thread
From: John English @ 2000-11-09 0:00 UTC (permalink / raw)
Hackker Wong wrote:
> i am doing a calculator homework. i use get() in text_io to read the
> whole expression including (+, -, *, /, numbers) in string format. but i
> have a problem in converting sub-string to float type. would anyone help
> me?
Two possibilities suggest themselves:
1) use the 'Value attribute (RM95 Annex K, available online at
http://burks.bton.ac.uk/burks/language/ada/lrm95/k.htm, paras
264-267)
2) use some of the facilities defined in Ada.Float_Text_IO (see
http://burks.bton.ac.uk/burks/language/ada/lrm95/a_10_09.htm).
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