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From: tleylan@pegasus.com (Tom Leylan)
Newsgroups: comp.lang.c
Subject: Re: Turbo C and Clipper
Message-ID: <1990Dec9.091532.7016@pegasus.com>
Date: 9 Dec 90 09:15:32 GMT
References: <1650@ciss.Dayton.NCR.COM>
Organization: Pegasus,  Honolulu
Lines: 24

In article <1650@ciss.Dayton.NCR.COM> dgrimmer@ciss.Dayton.NCR.COM (Dave.Grimmer@Dayton.NCR.COM) writes:
>
>I am looking for a way to do some trig functions (cos, sin, tan, ...)
>from within a CLIPPER application.  The version I am using is Summer 87.
>
>Are there any Clipper libraries around that have the trig functions?
>
>I have tried writing the function with Turbo C 2.0, but I get 3 unresolved
>external references when I link (this works with integer functions, but
>I think there is a problem when you use a double data type).  Has anyone
>written a C function for CLIPPER that uses a double data type?
>
Dave... Turbo C with Clipper is possible but not recommended.  The preferred
flavor is MSC 5.1.  I use QuickC 2.5 but like Turbo users I am therefore
not permitted to use the floating point routines.  Probably pretty handy
when it comes to trig functions.

There is a document on NANFORUM on Compuserve which addresses alternative
methods of using floating point but the easiest solution remains using
Microsoft C.

tom leylan
ex-Senior Systems Analyst, Nantucket Corporation
(author of "Clipper and QuickC, An End to the Controversy", Nantucket News)