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Assigning a 4 byte real to a 8 byte real

 
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christyleomin



Joined: 08 Apr 2011
Posts: 155
PostPosted: Wed Jan 22, 2014 10:25 am    Post subject: Assigning a 4 byte real to a 8 byte real Reply with quote
Is it possible to assign a 4 byte real to a 8 byte real.

That is:

Code:
subroutine x (my_array_4)

real*4 my_array_4(512)
real*8 my_array_8(512)

do i =1,512

my_array_8(i)=my_array_4(i)

enddo


Is the above correct?
Christy
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JohnCampbell



Joined: 16 Feb 2006
Posts: 2615
Location: Sydney
PostPosted: Thu Jan 23, 2014 2:07 am    Post subject: Reply with quote
Yes, as long as my_array_4 and my_array_8 use different memory addresses.
my_array_4 is 2048 bytes long, while
my_array_8 id 4096 bytes long.

How do you return my_array_8 ?

John
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christyleomin



Joined: 08 Apr 2011
Posts: 155
PostPosted: Thu Jan 23, 2014 5:11 pm    Post subject: Reply with quote
Thanks John

I will pass it as an argument-I missed showing this in the dummy code.

Thanks again..
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