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1996-08-06
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Path: news.rmii.com!usenet
From: jcoffin@rmii.com (Jerry Coffin)
Newsgroups: comp.std.c
Subject: Re: CLOCKS_PER_SEC not defined
Date: Fri, 16 Feb 1996 19:17:16 GMT
Organization: TAEUS
Message-ID: <4g2gp7$2s2@natasha.rmii.com>
References: <ramin.1174728902A@news.gsfc.nasa.gov>
NNTP-Posting-Host: slip22160.rmii.com
X-Newsreader: Forte Free Agent 1.0.82
ramin@twinkie.gsfc.nasa.gov (Ramin Sina) wrote:
>I am using a supposedly ansi c program in which I write
>#include <time.h>
>#if defined(__STDC__) && !defined(CLOCKS_PER_SEC)
>#error "CLOCKS_PER_SEC is not defined on this stupid compiler"
>#endif
>I get the error that CLOCKS_PER_SEC is not defined. I had thought that it
>was defined in standard C in the time.h header. I need CLOCKS_PER_SEC to
>time how long it takes for the program to run. Can anybody suggest how I can
>fix this problem.
You might check for CLK_TCK being defined instead. Prior to the
standard, and even in early versions of the draft working paper for the
C standard, this was used instead of CLOCKS_PER_SEC. If memory serves,
CLK_TCK is also defined in POSIX.