Fortran

proble in common
I have a f77 code which starts like this: subroutine lm_a(oidxdn,opnu,opold,oqnu,oqold, & clabl_1,lmx,w_oidn,w_opp,w_oqnu,w_oqold, & d_ialpha,d_ifmt3d,d_itrans,d_jbasdn,d_ldn,d_lmaxw, & d_ltmax,d_mdn,d_mmixat,d_mmixpq,d_nbas,d_nclass,d_ndimin, & d_ngen,d_nit,d_nitat,d_niter,d_nkdm... 5 May 2010 21:35

Any Free Fortran w/ quickwin?
Some of my software is used by beginning students. I've tried to make learning simple by using the "quickwin" option (Intel Fortran) or the equivalent "vsw" option in the Lahey compiler. Those options make console program into a graphics-mode Windows program that runs in a scollable console window. They also pro... 8 May 2010 22:09

use of EQUIVALENCE for a dynamical assignment of data
Hi to all, I am trying to search a solution of this problem. I use fortran to solve a set of equations in an iterative loop. My data are 12 matrixes like this COMPLEX*16 Z1(4096,2048) In each loop, after other operations, I need to perform a FFT calling an external library that needs the data as a single r... 3 May 2010 23:07

long int computations
I have two long ints, both too long to convert to float, but their ratio is something reasonable. How can I compute that? The obvious "(1.*x)/y" does not work. Victor. -- Victor Eijkhout -- eijkhout at tacc utexas edu ... 3 May 2010 01:12

ASF bug (?)
I know that statement functions are considered obsolescent, but there are some widely used high-quality subroutine libraries in which they are used. With an older version of the NAG compiler, I found that the program program asfbug INTEGER IX,IY,IDIAG,A,B,C IDIAG(IX,IY) = ((IY-1)* (2*IX-IY+2... 3 May 2010 09:48

Reading lines in free format (*) with an occational string
Hello everyone, first, let me just send a big thanks to mr. Bowler, mr. Xia, and all the others who helped me with my last question regarding reading input lines depending on the first character. If I may abuse your good will a little more ;) A simple thing really, but I was wondering could it be made simple... 3 May 2010 13:08

ifort volatile with O3
Hi, Do O1,2,3 optimizations affect the way volatile variables are handled in ifort 11.x ? For me the output of the following code is different for different optimization levels. Here I am putting a skeleton version. I am using volatile variables for controlling two threads (created using fortran-to-c interfac... 4 May 2010 11:10

PGFIO-F-217, FORTRAN STOP
Hello, when I try to open a certain file for reading it says: PGFIO-F-217/unformatted read/unit=1/attempt to read past end of file I use code which generates the filename automatically according to a certain scheme. The weird thing is: when I print the generated filename (i.e. TV100P100.dat) it matches the n... 29 Apr 2010 15:47

Integer overflow message
Hi, i have a variable whose maximum value is 36,012. I have declared the variable as INTEGER(I4B), and i receive the runtime error of "Integer Overflow". I am confused because as far as i know the INTEGER(I4B) type can have values up to 2,147,483,647. Can anyone give me a clue ? Regards, Victor Ps: the cod... 29 Apr 2010 13:30

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