Caligo 
| http://d.puremagic.com/issues/show_bug.cgi?id=7964
Summary: Organic Bug
Product: D
Version: D2
Platform: x86_64
OS/Version: Linux
Status: NEW
Severity: critical
Priority: P2
Component: DMD
AssignedTo: nobody@puremagic.com
ReportedBy: iteronvexor@gmail.com
--- Comment #0 from Caligo <iteronvexor@gmail.com> 2012-04-21 22:24:53 PDT ---
Location: Earth
Temperature: 64°F
Wind: SE at 5 mph
Humidity: 45%
DMD 2.059, 64-bit GNU/Linux
----------------------------------->8----------------------------------->8-----------------------------------
import std.typecons : Tuple;
import std.array : appender;
import std.algorithm : sort;
import std.stdio : writeln;
alias double Real;
struct S {
Tuple!(Real, Real)[] _data;
alias _data this;
}
private auto gen(K, V)(V[K] data) {
alias Tuple!(K, V) T;
T[] app;
foreach(k, v; data)
app ~= T(k,v);
sort(app);
return app;
}
auto s(Real[Real] data) {
return S(gen!(Real, Real)(data));
}
S bug =
s([360.0:0.000000122200, 361.0:0.000000185138, 362.0:0.000000278830,
363.0:0.000000417470,
364.0:0.000000621330, 365.0:0.000000919270, 366.0:0.000001351980,
367.0:0.000001976540,
368.0:0.000002872500, 369.0:0.000004149500, 370.0:0.000005958600,
371.0:0.000008505600,
372.0:0.000012068600, 373.0:0.000017022600, 374.0:0.000023868000,
375.0:0.000033266000,
376.0:0.000046087000, 377.0:0.000063472000, 378.0:0.000086892000,
379.0:0.000118246000,
380.0:0.000159952000, 381.0:0.000215080000, 382.0:0.000287490000,
383.0:0.000381990000,
384.0:0.000504550000, 385.0:0.00066244]);
void main() { }
-----------------------------------8<-----------------------------------8<-----------------------------------
compiling the above gives:
/usr/include/x86_64-linux-gnu/dmd/phobos/std/algorithm.d(1498): Error:
reinterpreting cast from Tuple!(double,double)* to ubyte* is not supported in
CTFE
/usr/include/x86_64-linux-gnu/dmd/phobos/std/algorithm.d(7018): called
from here: swap(r[i1],r[i2])
/usr/include/x86_64-linux-gnu/dmd/phobos/std/algorithm.d(7047): called
from here: swapAt(r,pivotIdx,r.length - 1LU)
/usr/include/x86_64-linux-gnu/dmd/phobos/std/algorithm.d(6787): called
from here: sortImpl(r)
t1.d(19): called from here: sort(app)
t1.d(24): called from here: gen(data)
t1.d(28): called from here:
s([360:1.222e-07,361:1.85138e-07,362:0x9.5b21a78330de599p-25,363:0xe.020a3d0e070d933p-25,364:0xa.6c978f4795f4a92p-24,365:9.1927e-07,366:1.35198e-06,367:1.97654e-06,368:2.8725e-06,369:0x8.b3beeffb8c391a1p-21,370:0xc.7effbf874cb77f1p-21,371:8.5056e-06,372:0xc.a7a3e07ee23183ap-20,373:1.70226e-05,374:2.3868e-05,375:3.3266e-05,376:4.6087e-05,377:6.3472e-05,378:8.6892e-05,379:0xf.7fad67e041a747ep-17,380:0.000159952,381:0.00021508,382:0.00028749,383:0xc.845d4758da0bcfap-15,384:0x8.443c6ff2d722913p-14,385:0.00066244])
Shortening the associative array by just one works. That is to say:
...
S bug =
s([360.0:0.000000122200, 361.0:0.000000185138, 362.0:0.000000278830,
363.0:0.000000417470,
364.0:0.000000621330, 365.0:0.000000919270, 366.0:0.000001351980,
367.0:0.000001976540,
368.0:0.000002872500, 369.0:0.000004149500, 370.0:0.000005958600,
371.0:0.000008505600,
372.0:0.000012068600, 373.0:0.000017022600, 374.0:0.000023868000,
375.0:0.000033266000,
376.0:0.000046087000, 377.0:0.000063472000, 378.0:0.000086892000,
379.0:0.000118246000,
380.0:0.000159952000, 381.0:0.000215080000, 382.0:0.000287490000,
383.0:0.000381990000,
384.0:0.000504550000]);
...
does not trigger the bug. Also, commenting out 'sort(app)' does not trigger the bug. This is as organic as it gets.
--
Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
|
Permalink
Reply
