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Viewing changes to intern/opennl/superlu/superlu_timer.c

  • Committer: Bazaar Package Importer
  • Author(s): Florian Ernst
  • Date: 2005-11-06 12:40:03 UTC
  • mfrom: (1.1.2 upstream)
  • Revision ID: james.westby@ubuntu.com-20051106124003-3pgs7tcg5rox96xg
Tags: 2.37a-1.1
http://bugs.debian.org/333958
* Non-maintainer upload.
* Split out parts of 01_SConstruct_debian.dpatch again: root_build_dir
  really needs to get adjusted before the clean target runs - closes: #333958,
  see #288882 for reference

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intern/opennl/superlu/superlu_timer.c
 
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/* 
 
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 * Purpose
 
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 * ======= 
 
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 *      Returns the time in seconds used by the process.
 
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 *
 
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 * Note: the timer function call is machine dependent. Use conditional
 
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 *       compilation to choose the appropriate function.
 
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 *
 
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 */
 
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/* We want this flag, safer than putting in build system */
 
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#define NO_TIMER
 
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double  SuperLU_timer_ ();
 
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#ifdef SUN 
 
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/*
 
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 *      It uses the system call gethrtime(3C), which is accurate to 
 
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 *      nanoseconds. 
 
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*/
 
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#include <sys/time.h>
 
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double SuperLU_timer_() {
 
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    return ( (double)gethrtime() / 1e9 );
 
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}
 
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#else
 
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#ifndef NO_TIMER
 
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#include <sys/types.h>
 
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#include <sys/times.h>
 
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#include <time.h>
 
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#include <sys/time.h>
 
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#endif
 
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#ifndef CLK_TCK
 
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#define CLK_TCK 60
 
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#endif
 
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double SuperLU_timer_(void);
 
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double SuperLU_timer_(void)
 
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{
 
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#ifdef NO_TIMER
 
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    /* no sys/times.h on WIN32 */
 
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    double tmp;
 
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    tmp = 0.0;
 
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#else
 
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    struct tms use;
 
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    double tmp;
 
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    times(&use);
 
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    tmp = use.tms_utime;
 
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    tmp += use.tms_stime;
 
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#endif
 
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    return (double)(tmp) / CLK_TCK;
 
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}
 
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#endif
 
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