Displaying 1 result from an estimated 1 matches for "deriv_func".
2004 Sep 20
1
problem typcasting return of R_ExternalPtrAddr(SEXP s)
...ntial equations to be defined in a dll that has been dynamically loaded from the file named in dllname. I use getNativeSymbolInfo(func, dllname)$address to get the address of the function and pass it to a C function called via the .Call interface. Inside that C function, I use R_ExternalPtrAddr(deriv_func) to get the function pointer. This requires typcasting the return value of R_ExternalPtrAddr from (void *) to (deriv_func *), defined in a typedef in call_lsoda().
To be more explicit (I'm replacing irrelevant arguments with ellipses):
In lsoda(...,func,dllname,...), func contains a string...