Hi,
when using r.flow on 64bit, it crashes (Spearfish example):
r.flow elevation.dem flout=flout lgout=lgout dsout=dsout
Reading input files: elevation
Precomputing: tangents
Precomputing: e/w distances
Precomputing: quantization tolerances
Precomputing: interpolated border elevations
Precomputing: aspects
Calculating maps ...
Segmentation fault
It dies in calc.c:223.
A backtrace:
GRASS 6.3.cvs (spearfish60):~ > gdb `which r.flow`
GNU gdb Red Hat Linux (6.3.0.0-1.132.EL4rh)
This GDB was configured as "x86_64-redhat-linux-gnu"...Using host libthread_db library "/lib64/tls/libthread_db.so.1".
(gdb) r elevation.dem flout=flout lgout=lgout dsout=dsout
Starting program: /nfsmnt/bartok0/ssi/neteler/software/cvsgrass63/dist.x86_64-unknown-linux-gnu/bin/r.flow elevation.dem flout=flout lgout=lgout dsout=dsout
[Thread debugging using libthread_db enabled]
[New Thread 182925195200 (LWP 26627)]
Detaching after fork from child process 26630.
Detaching after fork from child process 26631.
WARNING: The vector 'flout' already exists and will be overwritten.
Reading input files: elevation
Precomputing: tangents
Precomputing: e/w distances
Precomputing: quantization tolerances
Precomputing: interpolated border elevations
Precomputing: aspects
Calculating maps ...
0%
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 182925195200 (LWP 26627)]
0x0000000000403e3f in next_point (p=0x7fbfffdf20, a=0x7fbfffdf10, b=0x7fbfffdf00, l=0x7fbfffdec0)
at calc.c:223
223 if (oldtheta != 90 && oldtheta != 270 && /* north/south */
(gdb) bt full
#0 0x0000000000403e3f in next_point (p=0x7fbfffdf20, a=0x7fbfffdf10, b=0x7fbfffdf00, l=0x7fbfffdec0)
at calc.c:223
sub = 0
cut = 2.356693130662746e-321
horiz = 2
semi = 1
length = 1.1899763912722237e-312
delta = 0
deltaz = 0
oldz = -nan(0xfffffffffffff)
oldtheta = -2147483648
oldr = 0
oldc = 0
ads = {row = 0, col = 0}
bdy = {-30, 30}
bdx = {-30, 30}
#1 0x0000000000404bb4 in calculate () at calc.c:369
pts = {x = 589995, y = 4927995, z = -nan(0xfffffffffffff), theta = -2147483648, r = 0, c = 0}
ads = {row = 0, col = 0}
bbs = {{-1, 1}, {1, -1}}
fls = {px = 0xc224b0, py = 0xc287e0, index = 1}
row = 0
col = 0
x = 589995
y = 4927995
length = 0
xstep = 30
ystep = 30
lg = (FCELL *) 0xc1f9f0
points = (struct line_pnts *) 0xc1f550
cats = (struct line_cats *) 0xc1f5e0
loopstep = 1
#2 0x0000000000404dd2 in main (argc=5, argv=0x7fbffff288) at calc.c:419
history = {
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---Type <return> to continue, or q <return> to quit---
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(gdb)
As usually in 64bit problems, I am lost...
Markus