Hi Alan, ah, that makes it clearer. So, on 32-bits platforms we have time_t defined as a 4 bytes data type? I have no easy access to 64-bits Windows, unfortunately, so I can not test this.
(Something I ought to do is add a test for "long long int": this is not supported by older C compilers and might lead to incorrect results on 64-bits Windows ...) Regards, Arjen On 2009-02-20 02:17, Alan W. Irwin wrote: > On 2009-02-19 19:48+0100 Arjen Markus wrote: > >> Hi Alan, >> >> my old MSVC compiler is complaining about a few things >> with Terrence's patch - nothing I can not resolve, but >> the worst is that the testlib program stops immediately: >> >> sizeof(time_t) = 4 >> tests abandoned because time_t too small on this platform to run this >> programme >> >> What is the way forward here? Will the qsastime library >> fail altogether then? Output from qsastime_test does not >> look bad (see below). > > That's the expected result on 32-bit hardware platforms. You normally need > a 64-bit platform (or a rather sophisticated 32-bit platform with 64-bit > time_t's) to do this test. > > I have changed that error message to be more informative. A 32-bit time_t > is not adequate to represent the extremely large date ranges used for these > tests. Note, this is a fundamental limitation in the time_t argument of the > gmtime and mktime routines in the C library that are used to test > libqsastime in qsastime_testlib. There is no such time_t size > limitation in > libqsastime which is designed to work happily with 32-bit ints and 64-bit > doubles (the usual sizes on both 32-bit and 64-bit hardware). So > libqsatime > should be okay on your system for large date ranges. However, it would > still > be nice to find a Windows system with 64-bit time_t's (for the C library > comparison routines) and the usual 32-bit ints, and 64-bit doubles that > gives a good result for qsastime_testlib. That would be a useful > confirmation of the good results we have for that combination of sizes in > Linux. > > Of course, the most important point is you have found a way to make windows > build again with your recent commit. Thanks! > > Alan > __________________________ > Alan W. Irwin > > Astronomical research affiliation with Department of Physics and Astronomy, > University of Victoria (astrowww.phys.uvic.ca). > > Programming affiliations with the FreeEOS equation-of-state implementation > for stellar interiors (freeeos.sf.net); PLplot scientific plotting software > package (plplot.org); the libLASi project (unifont.org/lasi); the Loads of > Linux Links project (loll.sf.net); and the Linux Brochure Project > (lbproject.sf.net). > __________________________ > > Linux-powered Science > __________________________ > Delft Hydraulics, GeoDelft, the Subsurface and Groundwater unit of TNO and parts of Rijkswaterstaat have joined forces in a new independent institute for delta technology, Deltares. Deltares combines knowledge and experience in the field of water, soil and the subsurface. We provide innovative solutions to make living in deltas, coastal areas and river basins safe, clean and sustainable. DISCLAIMER: This message is intended exclusively for the addressee(s) and may contain confidential and privileged information. If you are not the intended recipient please notify the sender immediately and destroy this message. Unauthorized use, disclosure or copying of this message is strictly prohibited. The foundation 'Stichting Deltares', which has its seat at Delft, The Netherlands, Commercial Registration Number 41146461, is not liable in any way whatsoever for consequences and/or damages resulting from the improper, incomplete and untimely dispatch, receipt and/or content of this e-mail. ------------------------------------------------------------------------------ Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise -Strategies to boost innovation and cut costs with open source participation -Receive a $600 discount off the registration fee with the source code: SFAD http://p.sf.net/sfu/XcvMzF8H _______________________________________________ Plplot-devel mailing list Plplot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/plplot-devel
