Re: Passing ByRef to Dylib

[Jonathan Johnson <jonj at realsoftware dot com>]

On 8/31/05, dda <headspin at gmail dot com> wrote:
> In RB:
> Declare Sub testProc Lib libLocation (ByRef d As Double)
> Dim d As Double
> 
> testProc(d)
> 
> In XCode:
> void testProc(float *d) {

However, a double should be passed byref as "double *d". The C 'float'
type is equivalent to REALbasic's single type.

> On 8/31/05, James Mullins <rblists at tpg dot com dot au> wrote:
> > Is there much overhead in the transfer between the Dylib and RB?  Is
> > it worth converting relatively small Methods over or will any
> > performance gains be lost in the transfer?

For a regular declare, it's just like any other function call.

HTH,
Jon


-- 
Jonathan Johnson
REAL Software, Inc.
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