Re: [Quantlib-dev] error with lu_factorize from boost

[Sylvain B. <syl...@gm...>]

Its determinant is NOT zero (sorry).

On 7/21/08, Sylvain Bertrand <syl...@gm...> wrote:
>
> Needless to say, I checked that the LU factorization for my matrix exists.
> Its determinant is zero.
>
>
>  On 7/21/08, Sylvain Bertrand <syl...@gm...> wrote:
>>
>> Hi,
>>
>> Although this is not a quantlib issue, I thought I'd ask here... as I'm
>> using the determinant() and inverse() functions from Matrix, I get the
>> following at runtime (comes from lu_factorize()):
>>
>> *** glibc detected *** ./a.out: free(): invalid next size (normal):
>> 0x0806b8a0 ***
>> ======= Backtrace: =========
>> /lib/i686/cmov/libc.so.6[0xb7d068f5]
>> /lib/i686/cmov/libc.so.6(cfree+0x90)[0xb7d0a360]
>> /usr/lib/libstdc++.so.6(_ZdlPv+0x21)[0xb7ed4171]
>> ./a.out[0x805d28d]
>> ./a.out[0x8058969]
>> ./a.out[0x8051bcd]
>> ./a.out[0x8057481]
>> ./a.out[0x8057632]
>> ./a.out(__gxx_personality_v0+0x317)[0x804adf7]
>> /lib/i686/cmov/libc.so.6(__libc_start_main+0xe0)[0xb7cb1450]
>> ./a.out(__gxx_personality_v0+0xb1)[0x804ab91]
>> ======= Memory map: ========
>>
>> Has anyone seen this before?
>> Googling for it didn't help...
>>
>> Thanks
>>
>> Sylvain
>>
>>
>
>