ok....it does works...thanx everyone
On Thursday, February 12, 2015 at 8:01:46 AM UTC+5:30, Dominique Orban
wrote:
>
> Oh I see, sorry. Yes, this works just as well for me:
>
>
> a = 100.0
> b = 10.0
> c = Cdouble[1.0]
> ppmm = ccall((:multiply_, "fsbrtn"), Void,
> (Ptr{Float64},Ptr{Float64},Ptr{Float64}),&a,&b,c)
> println(c[1])
>
>
>
> On Wednesday, February 11, 2015 at 6:52:55 PM UTC-5, Stefan Karpinski
> wrote:
>>
>> Right, that should certainly work, but having a and b as scalars and
>> using the & syntax should also.
>>
>> On Wed, Feb 11, 2015 at 6:50 PM, Dominique Orban <[email protected]>
>> wrote:
>>
>>> This works for me:
>>>
>>>
>>> a = Cdouble[100.0]
>>> b = Cdouble[10.0]
>>> c = Cdouble[1.0]
>>> ppmm = ccall((:multiply_, "fsbrtn"), Void,
>>> (Ptr{Float64},Ptr{Float64},Ptr{Float64}),a,b,c)
>>> println(c[1])
>>>
>>>
>>>
>>>
>>> On Wednesday, February 11, 2015 at 12:45:57 PM UTC-5, DP wrote:
>>>>
>>>> Trying to work with subroutines (I am a MATLAB person without fortran
>>>> and julia knowledge)
>>>>
>>>> File Name : fsbrtn.f90
>>>>
>>>> SUBROUTINE MULTIPLY(A,B,C)
>>>> DOUBLE PRECISION A,B,C
>>>> C = A*B
>>>> RETURN
>>>> END
>>>>
>>>> gfortran -shared -O2 fsbrtn.f90 -fPIC -o fsbrtn.so
>>>>
>>>> a = 100.0
>>>> b = 10.0
>>>> c = 1.0
>>>> ppmm = ccall((:multiply_, "/home/juser/ManUTD/fortran_try/fsbrtn"),
>>>> Void,(Ptr{Float64},Ptr{Float64},Ptr{Float64}),&a,&b,c)
>>>> println(c)
>>>>
>>>> Output
>>>> 1.0
>>>>
>>>> Where am I going wrong?
>>>>
>>>>
>>>> ergerg
>>>>
>>>
>>
