Nah, put on your binary thinking cap. :)

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Post #120,596

by a6l6e6x

10/9/03 7:39:39 AM

Nah, put on your binary thinking cap. :)

Only the value zero gets special treatment at the machine instruction level. You either have it or you don't. You can branch on it. Anything else requires a comparison first. Besides, you're leaving a rather large gray area between 0x0 and 0xFFFFFFFF that now needs some kind of handling.

Alex

"Don't let it end like this. Tell them I said something." -- last words of Pancho Villa (1877-1923)

I'm having a problem grokking C - (jake123) - (61) - Oct. 7, 2003, 08:34:16 PM EDT

"\\0" is a string - not a character - (ChrisR) - (54) - Oct. 7, 2003, 08:42:18 PM EDT

Re: "\\0" is a string - not a character - (jake123) - (23) - Oct. 7, 2003, 08:57:21 PM EDT

Double quotes is a string: - (ChrisR) - Oct. 7, 2003, 09:09:59 PM EDT

You want to use '0' not "0". - (a6l6e6x) - (21) - Oct. 7, 2003, 09:16:16 PM EDT

Thanks guys - (jake123) - (20) - Oct. 7, 2003, 10:25:03 PM EDT

sheesh, wackiness - (jake123) - (17) - Oct. 7, 2003, 10:54:30 PM EDT

operator precedence -NT - (deSitter) - (3) - Oct. 7, 2003, 11:01:11 PM EDT

According to my text - (jake123) - (2) - Oct. 8, 2003, 12:11:44 AM EDT

use "unsigned char" - (deSitter) - Oct. 8, 2003, 12:25:50 AM EDT

Re: According to my text - (Arkadiy) - Oct. 8, 2003, 03:31:57 AM EDT

Should be equivalent indeed - (Arkadiy) - (12) - Oct. 8, 2003, 03:09:52 AM EDT

Well, interestingly enough - (jake123) - (11) - Oct. 8, 2003, 03:53:42 AM EDT

Re: Well, interestingly enough - (Arkadiy) - (10) - Oct. 8, 2003, 08:49:08 AM EDT

Yes, I was sure. -NT - (jake123) - (9) - Oct. 8, 2003, 08:48:57 PM EDT

copy/paste the full code, then -NT - (Arkadiy) - (8) - Oct. 9, 2003, 07:07:56 AM EDT

Sure, here's my final version - (jake123) - (7) - Oct. 10, 2003, 12:59:17 PM EDT

Works with or without parens for me - (Arkadiy) - (4) - Oct. 10, 2003, 08:45:17 AM EDT

Feel free - (jake123) - (3) - Oct. 10, 2003, 10:49:06 AM EDT

Re: Feel free - (Arkadiy) - (2) - Oct. 10, 2003, 04:09:28 PM EDT

You're suggesting that - (jake123) - (1) - Oct. 13, 2003, 11:59:46 AM EDT

Basically, yes - (Arkadiy) - Oct. 13, 2003, 12:48:50 PM EDT

Works here too, both ways. gcc 3.3.2 -NT - (scoenye) - (1) - Oct. 10, 2003, 01:50:05 PM EDT

It is working here - (jake123) - Oct. 10, 2003, 03:25:25 PM EDT

What is the type of 'value1' ? - (jb4) - (1) - Oct. 8, 2003, 01:28:43 PM EDT

Nah, it's an int - (jake123) - Oct. 8, 2003, 08:48:05 PM EDT

NOT better! - (jb4) - (29) - Oct. 8, 2003, 01:23:06 PM EDT

Think we've had this argument before - (ChrisR) - Oct. 8, 2003, 02:04:42 PM EDT

Agreed -NT - (deSitter) - Oct. 8, 2003, 03:34:13 PM EDT

NOT boolean - this is C - (tuberculosis) - (25) - Oct. 8, 2003, 10:22:43 PM EDT

Re: NOT boolean - this is C - (deSitter) - (1) - Oct. 9, 2003, 12:53:53 AM EDT

Nah, put on your binary thinking cap. :) - (a6l6e6x) - Oct. 9, 2003, 07:39:39 AM EDT

Yes, yes...agreed - (jb4) - (22) - Oct. 10, 2003, 11:18:37 AM EDT

Breaking bad habits - (ChrisR) - (21) - Oct. 10, 2003, 12:20:29 PM EDT

Good points... - (jb4) - (15) - Oct. 10, 2003, 12:50:20 PM EDT

Not that I do a tremendous amount of C programming... - (admin) - (4) - Oct. 10, 2003, 01:14:34 PM EDT

K&R - (ChrisR) - Oct. 10, 2003, 02:20:54 PM EDT

My mileage varies. :-) - (static) - Oct. 10, 2003, 06:32:52 PM EDT

They are all ugly - (tuberculosis) - (1) - Oct. 10, 2003, 06:59:15 PM EDT

Yep. - (admin) - Oct. 10, 2003, 07:19:31 PM EDT

The business seems to have plenty of time on its hands - (ChrisR) - (9) - Oct. 10, 2003, 01:50:13 PM EDT

Disagree with several of your premises - (jb4) - (8) - Oct. 10, 2003, 06:39:40 PM EDT

Dude - (tuberculosis) - (7) - Oct. 10, 2003, 07:15:05 PM EDT

Which reminds me - C++ is why our hardware sucks (new thread) - (tuberculosis) - Oct. 10, 2003, 07:34:32 PM EDT

rofl - (deSitter) - Oct. 10, 2003, 07:38:05 PM EDT

Heh - (jake123) - Oct. 10, 2003, 10:31:25 PM EDT

Dude... - (jb4) - (3) - Oct. 12, 2003, 11:42:07 AM EDT

Whoa, JB gets feisty! - (deSitter) - Oct. 12, 2003, 04:03:23 PM EDT

Non-sequitur - (tuberculosis) - (1) - Oct. 12, 2003, 06:42:01 PM EDT

OK, then apology accepted........;-) - (jb4) - Oct. 12, 2003, 10:39:06 PM EDT

I'd have to agree - (jake123) - (4) - Oct. 10, 2003, 12:56:42 PM EDT

Used to be a Fortran thing - (ChrisR) - (3) - Oct. 10, 2003, 02:30:03 PM EDT

Re: Used to be a Fortran thing - (deSitter) - (2) - Oct. 10, 2003, 05:59:21 PM EDT

Yep -FORTRAN for math libs rulez - (tuberculosis) - (1) - Oct. 10, 2003, 07:16:11 PM EDT

Re: Yep -FORTRAN for math libs rulez - (deSitter) - Oct. 10, 2003, 07:35:43 PM EDT

Misra C guidelines - (ChrisR) - Oct. 18, 2003, 12:47:25 AM EDT

Ob-C advice - (deSitter) - Oct. 7, 2003, 10:54:06 PM EDT

Stylistic tip - (ben_tilly) - Oct. 8, 2003, 10:26:26 AM EDT

Re: I'm having a problem grokking C - (tuberculosis) - (3) - Oct. 8, 2003, 06:55:58 PM EDT

Hehehe - (jake123) - (2) - Oct. 8, 2003, 08:47:17 PM EDT

int isdigit(int c) { return (c >='0' && c <= '9'); } - (tuberculosis) - (1) - Oct. 8, 2003, 10:21:03 PM EDT

:) - (jake123) - Oct. 9, 2003, 02:50:50 AM EDT

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