[changeset] : adjustment of tolerance for single precision tests in mappers.cc

[John W. Eaton]

On 26-Aug-2008, Ben Abbott wrote:

| Building the default branch on Mac OSX using Apple's vecLib results in  
| a failure for the single precision mappers.cc tests.
| 
| I've attached a minimal changeset.

I applied it.

| However, I notice that single  
| precision tests often make use of "eps" rather than "eps('single')".   
| Would it be good form to change all single precision tests to refer to  
| eps('single')?

Yes, that would probably be the right thing to do.

Thanks,

jwe