zellich@almsa-1.ARPA (04/25/84)
From: Rich Zellich <zellich@almsa-1.ARPA> Does anyone have subroutines for converting an ascii string to a float or double and for converting a float or double to an ascii string (like atoi and itoa)? -Rich
gwyn@BRL-VLD.ARPA (04/25/84)
From: Doug Gwyn (VLD/VMB) <gwyn@BRL-VLD.ARPA> The C library contains ASCII<->floating-point converters: atof convert ASCII string to floating-point number scanf convert formatted input
zellich@almsa-1.ARPA (04/25/84)
From: Rich Zellich <zellich@almsa-1.ARPA> To all those who replied about atof(), sscanf(), and sprintf(), thank you. I knew about them but for some reason couldn't find atof on our system when I looked for it (it's there, though, because when I looked into sscanf and _doprint, it is used, and replacing sscanf with atof works just fine). As for sscanf and sprintf, it just seemed there ought to be a less convoluted way of handling a single variable of known type (in the case of sscanf, of course, there is: atof). Cheers, Rich
mike@BRL-TGR.ARPA (04/26/84)
From: Mike Muuss <mike@BRL-TGR.ARPA> How about atof() and sprintf() ? -Mike
moss@BRL-VLD.ARPA (04/26/84)
From: Gary S Moss ~Software Development Team~ <moss@BRL-VLD.ARPA> Rich -- As Mike said, 'sprintf()' and 'atof()' are available, or more general than 'atof()' is 'fscanf()' and 'sscanf()', that is unless you don't want to load in the 'printf()' library. Read section 3 of your UNIX User's Manual. -- Moss.
ted@usceast.UUCP (Ted Nolan) (05/01/84)
<1 = 0.99999999> There are several ways to convert floats to ascii and vice versa. The query asked specifically (sp?) for functions like atoi and itoa. Our version 7 system has an atof(3) function available, which is like atoi for floats. If this is not present K&R give an atof function on page 69 of the C book . However, I find that the string formatting commands sprintf and sscanf give a much nicer and more general way to do this type of conversion -- -------------------------------------------------------------------------------- Ted Nolan usceast!ted 6536 Brookside Circle Columbia, SC 29206 (feather the rast!) --------------------------------------------------------------------------------
chris@umcp-cs.UUCP (05/03/84)
Also, if you don't want stdio for some reason and can't use *printf
to convert to ASCII, there's ecvt(), fcvt(), and gcvt() (which are,
of course, what printf uses internally).
--
In-Real-Life: Chris Torek, Univ of MD Comp Sci (301) 454-7690
UUCP: {seismo,allegra,brl-bmd}!umcp-cs!chris
CSNet: chris@umcp-cs ARPA: chris@maryland