int main() {
    int[double] x;
    double d=22;
    x[d] = 44;
    assert( x[d] == 44 ); //fails
    return 0;
}

Ben Hinkle wrote:

| int main() {
|     int[double] x;
|     double d=22;
|     x[d] = 44;
|     assert( x[d] == 44 ); //fails
|     return 0;
| }

Added to DStress as
http://dstress.kuehne.cn/run/associative_array_08.d
http://dstress.kuehne.cn/run/associative_array_09.d
http://dstress.kuehne.cn/run/associative_array_10.d
http://dstress.kuehne.cn/run/associative_array_11.d
http://dstress.kuehne.cn/run/associative_array_12.d
http://dstress.kuehne.cn/run/associative_array_13.d
http://dstress.kuehne.cn/run/associative_array_14.d
http://dstress.kuehne.cn/run/associative_array_15.d
http://dstress.kuehne.cn/run/associative_array_16.d
http://dstress.kuehne.cn/run/associative_array_17.d

Thomas

In article <d24a39$3ic$1@digitaldaemon.com>, =?UTF-8?B?VGhvbWFzIEvDvGhuZQ==?= says...
>
>-----BEGIN PGP SIGNED MESSAGE-----
>Hash: SHA1
>
>Ben Hinkle wrote:
>
>| int main() {
>|     int[double] x;
>|     double d=22;
>|     x[d] = 44;
>|     assert( x[d] == 44 ); //fails
>|     return 0;
>| }
>
>Added to DStress as http://dstress.kuehne.cn/run/associative_array_08.d http://dstress.kuehne.cn/run/associative_array_09.d http://dstress.kuehne.cn/run/associative_array_10.d http://dstress.kuehne.cn/run/associative_array_11.d http://dstress.kuehne.cn/run/associative_array_12.d http://dstress.kuehne.cn/run/associative_array_13.d http://dstress.kuehne.cn/run/associative_array_14.d http://dstress.kuehne.cn/run/associative_array_15.d http://dstress.kuehne.cn/run/associative_array_16.d http://dstress.kuehne.cn/run/associative_array_17.d
>
>Thomas
>

In the hope of saving a little time tracking these down, the problem looks like it is in the return statement for the relevant _compare(...) methods for each of those types in phobos/std/typeinfo/ti_<type>.d.

For example, in phobos/std/typeinfo/ti_double.d:

|   static int _compare(double d1, double d2)
|   {
|   if (d1 !<>= d2)     // if either are NaN
|   {
|       if (isnan(d1))
|       {   if (isnan(d2))
|           return 0;
|       return -1;
|       }
|       return 1;
|   }
|//  return (d1 < d2) ? -1 : 1; // <-- problem here
|   return (d1 < d2) ? -1 : (d1 > d2) ? 1 : 0;
|   }

- Dave