Re: [boost] [random] lagged_fibonacci607 with Intel compiler for Linux v10 produces negative output values

From: Matthias Troyer (troyer_at_[hidden])
Date: 2007-07-18 23:05:18

On 17 Jul 2007, at 14:58, Mikko Vainio wrote:

> Dear boosters,
>
> Has anyone else noticed that lagged_fibonacci607 produces negative
> random numbers when compiled with the Intel C++ compiler for Linux  
> v10.0
> using Pentium4 processor specific optimizations? As far as I  
> understand,
> the random numbers generated by lagged_fibonacci607 should be  
> within the
> interval [0,1). GCC and the Intel compiler with less aggressive
> optimizations generate values within that range.
>
> This is probably a bug in the Intel compiler, but if anyone has a
> workaround please let me know.

Can you see it just with the default seed?
Which compiler options do you use?

Matthias