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Groups > comp.os.linux.advocacy > #465360

Re: The substantiation that -highhorse asked for

Subject Re: The substantiation that -highhorse asked for
Newsgroups comp.os.linux.advocacy
References (7 earlier) <xp98g93qa.gu3@rooftop.invalid> <0LghD.10733$Vl2.3769@fx46.iad> <tukba.380plx4@rooftop.invalid> <8825ee40-14b4-4b85-9f95-1af4cdb5e7f6@googlegroups.com> <8g0a008803a.3@rooftop.invalid>
From DFS <nospam@nospam.com>
Message-ID <Y8ohD.699$HK2.581@fx08.iad> (permalink)
Organization blocknews - www.blocknews.net
Date 2018-08-28 23:11 -0400

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On 8/28/2018 4:09 PM, owl wrote:


 > If you're dealing with a bunch of ranges, a long if-else sequence
 > might be the only way.

> anon@lowtide:~/code/ifs$ ./blah -7
> a<0
> anon@lowtide:~/code/ifs$ ./blah 0
> a==0
> anon@lowtide:~/code/ifs$ ./blah 7
> a>0 && a<=10
> anon@lowtide:~/code/ifs$ ./blah 11
> a>10 && a<=100
> anon@lowtide:~/code/ifs$ ./blah 13
> a>10 && a<=100
> anon@lowtide:~/code/ifs$ ./blah 14
> fourteen is special!  You get a prize!
> anon@lowtide:~/code/ifs$ ./blah 15
> a>10 && a<=100
> anon@lowtide:~/code/ifs$ ./blah 70
> a>10 && a<=100
> anon@lowtide:~/code/ifs$ ./blah 700
> a>100 && a<=1000
> anon@lowtide:~/code/ifs$ ./blah 7000
> a>1000 && a<=10000
> anon@lowtide:~/code/ifs$ ./blah 70000
> a>10000 && a<=100000
> anon@lowtide:~/code/ifs$ ./blah 700000
> a>100000 && a<=1000000
> anon@lowtide:~/code/ifs$ ./blah 7000000
> a>1000000
> anon@lowtide:~/code/ifs$


import random

print "Group 1: r<0"
print "Group 2: r==0"
print "Group 3: r>0 && r<=10"
print "Group 4: r>10 && r<=100"
print "Group 5: r>100 && r<=1000"
print "Group 6: r>1000 && r<=10000"
print "Group 7: r>10000 && r<=100000"
print "Group 8: r>100000 && r<=1000000"
print "Group 9: r>1000000"

def printgroup(grp):
	print "Found random number " + str(r) + " in Group " + str(grp)

for j in range(20):
	r = random.randint(-1000,1001)
	if r < 0: 		printgroup(1); exit
	if r > 1000000: printgroup(9); exit
	comps = 
[(-1,0),(1,10),(11,100),(101,1000),(1001,10000),(10001,100000),(100001,1000000)]
	for i, x in enumerate(range(len(comps))):
		if r > comps[i][0] and r <= comps[i][1]: printgroup(i+2); exit
		i+=1	



That's 3 if-then-exits to handle 9 comparisons

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Re: The substantiation that -highhorse asked for DFS <nospam@nospam.com> - 2018-08-28 08:28 -0400
  Re: The substantiation that -highhorse asked for Steve Carroll <fretwizzer@gmail.com> - 2018-08-28 09:20 -0700
    Re: The substantiation that -highhorse asked for fr314159@gmail.com - 2018-08-28 11:27 -0700
      Re: The substantiation that -highhorse asked for Steve Carroll <fretwizzer@gmail.com> - 2018-08-28 11:39 -0700
      Re: The substantiation that -highhorse asked for DFS <nospam@nospam.com> - 2018-08-29 09:46 -0400
    Re: The substantiation that -highhorse asked for DFS <nospam@nospam.com> - 2018-08-28 14:52 -0400
      Re: The substantiation that -highhorse asked for Steve Carroll <fretwizzer@gmail.com> - 2018-08-28 12:20 -0700
  Re: The substantiation that -highhorse asked for owl <owl@rooftop.invalid> - 2018-08-28 17:21 +0000
    Re: The substantiation that -highhorse asked for DFS <nospam@nospam.com> - 2018-08-28 14:46 -0400
      Re: The substantiation that -highhorse asked for owl <owl@rooftop.invalid> - 2018-08-28 19:14 +0000
        Re: The substantiation that -highhorse asked for Steve Carroll <fretwizzer@gmail.com> - 2018-08-28 12:30 -0700
          Re: The substantiation that -highhorse asked for owl <owl@rooftop.invalid> - 2018-08-28 20:09 +0000
            Re: The substantiation that -highhorse asked for Steve Carroll <fretwizzer@gmail.com> - 2018-08-28 13:58 -0700
              Re: The substantiation that -highhorse asked for owl <owl@rooftop.invalid> - 2018-08-28 21:16 +0000
                Re: The substantiation that -highhorse asked for Steve Carroll <fretwizzer@gmail.com> - 2018-08-28 14:31 -0700
                Re: The substantiation that -highhorse asked for owl <owl@rooftop.invalid> - 2018-08-28 21:43 +0000
                Re: The substantiation that -highhorse asked for Steve Carroll <fretwizzer@gmail.com> - 2018-08-28 15:06 -0700
                Re: The substantiation that -highhorse asked for owl <owl@rooftop.invalid> - 2018-08-28 22:26 +0000
                Re: The substantiation that -highhorse asked for Steve Carroll <fretwizzer@gmail.com> - 2018-08-28 15:35 -0700
                Re: The substantiation that -highhorse asked for owl <owl@rooftop.invalid> - 2018-08-28 23:14 +0000
                Re: The substantiation that -highhorse asked for Snit <usenet@gallopinginsanity.com> - 2018-08-28 14:57 -0700
            Re: The substantiation that -highhorse asked for DFS <nospam@nospam.com> - 2018-08-28 23:11 -0400
              Re: The substantiation that -highhorse asked for owl <owl@rooftop.invalid> - 2018-08-29 06:14 +0000
                Re: The substantiation that -highhorse asked for DFS <nospam@nospam.com> - 2018-08-29 09:34 -0400
                Re: The substantiation that -highhorse asked for owl <owl@rooftop.invalid> - 2018-08-29 14:31 +0000
                Re: The substantiation that -highhorse asked for Steve Carroll <fretwizzer@gmail.com> - 2018-08-29 11:01 -0700
                Re: The substantiation that -highhorse asked for owl <owl@rooftop.invalid> - 2018-08-31 12:33 +0000
                Re: The substantiation that -highhorse asked for Steve Carroll <fretwizzer@gmail.com> - 2018-08-31 09:16 -0700
                Re: The substantiation that -highhorse asked for owl <owl@rooftop.invalid> - 2018-08-31 16:53 +0000
                Re: The substantiation that -highhorse asked for Steve Carroll <fretwizzer@gmail.com> - 2018-08-31 10:22 -0700
                Re: The substantiation that -highhorse asked for owl <owl@rooftop.invalid> - 2018-08-31 17:53 +0000
                Re: The substantiation that -highhorse asked for Steve Carroll <fretwizzer@gmail.com> - 2018-08-31 11:36 -0700
                Re: The substantiation that -highhorse asked for owl <owl@rooftop.invalid> - 2018-09-01 13:45 +0000
                Re: The substantiation that -highhorse asked for owl <owl@rooftop.invalid> - 2018-09-01 13:59 +0000
                Re: The substantiation that -highhorse asked for Steve Carroll <fretwizzer@gmail.com> - 2018-09-01 08:15 -0700
                Re: The substantiation that -highhorse asked for owl <owl@rooftop.invalid> - 2018-09-01 16:00 +0000
                Re: The substantiation that -highhorse asked for Steve Carroll <fretwizzer@gmail.com> - 2018-09-01 11:20 -0700
                Re: The substantiation that -highhorse asked for DFS <nospam@nospam.com> - 2018-08-31 15:00 -0400
                Re: The substantiation that -highhorse asked for owl <owl@rooftop.invalid> - 2018-08-31 19:40 +0000
                Re: The substantiation that -highhorse asked for DFS <nospam@nospam.com> - 2018-09-01 10:15 -0400
                Re: The substantiation that -highhorse asked for Steve Carroll <fretwizzer@gmail.com> - 2018-09-01 08:22 -0700
                Re: The substantiation that -highhorse asked for owl <owl@rooftop.invalid> - 2018-09-01 16:28 +0000
                Re: The substantiation that -highhorse asked for DFS <nospam@nospam.com> - 2018-09-01 16:39 -0400
                Re: The substantiation that -highhorse asked for owl <owl@rooftop.invalid> - 2018-09-01 22:00 +0000
                Re: The substantiation that -highhorse asked for DFS <nospam@nospam.com> - 2018-09-01 18:27 -0400
                Re: The substantiation that -highhorse asked for owl <owl@rooftop.invalid> - 2018-09-01 22:40 +0000
                Re: The substantiation that -highhorse asked for DFS <nospam@nospam.com> - 2018-09-01 19:09 -0400
                Re: The substantiation that -highhorse asked for owl <owl@rooftop.invalid> - 2018-09-01 23:59 +0000
        Re: The substantiation that -highhorse asked for DFS <nospam@nospam.com> - 2018-08-28 23:01 -0400
          Re: The substantiation that -highhorse asked for owl <owl@rooftop.invalid> - 2018-08-29 06:26 +0000
  Re: The substantiation that -highhorse asked for "F. Russell" <fr@random.info> - 2018-08-28 19:25 +0000
    Re: The substantiation that -highhorse asked for DFS <nospam@nospam.com> - 2018-08-29 09:32 -0400
      Re: The substantiation that -highhorse asked for fr314159@gmail.com - 2018-08-29 06:46 -0700
        Re: The substantiation that -highhorse asked for DFS <nospam@nospam.com> - 2018-08-29 09:55 -0400
          Re: The substantiation that -highhorse asked for fr314159@gmail.com - 2018-08-29 08:02 -0700
            Re: The substantiation that -highhorse asked for DFS <nospam@nospam.com> - 2018-09-01 10:14 -0400
          Re: The substantiation that -highhorse asked for owl <owl@rooftop.invalid> - 2018-08-29 15:12 +0000

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