Added the check for the decimal type - this is the type that is failing.

[hrdwrbob]

This is the actual failure with the bug https://rt.cpan.org/Public/Bug/Display.html?id=101650
Example output:
t/63-doubles.t .................. 1/?

Failed test 'row 10 (-0.4)'

at t/63-doubles.t line 87.

Comparing $data->[3] as a number

got : 0.4 ('0.40000')

expect : -0.4 +/- 1e-06

Failed test 'row 11 (-0.6)'

at t/63-doubles.t line 87.

Comparing $data->[3] as a number

got : 0.6 ('0.60000')

expect : -0.6 +/- 1e-06

Failed test 'row 12 (-0.8)'

at t/63-doubles.t line 87.

Comparing $data->[3] as a number

got : 0.8 ('0.80000')

expect : -0.8 +/- 1e-06

Failed test 'row 13 (-0.95)'

at t/63-doubles.t line 87.

Comparing $data->[3] as a number

got : 0.95 ('0.95000')

expect : -0.95 +/- 1e-06

Looks like you failed 4 tests of 79.