*** Formula: [1.0/0, -1.0/0, 0.0/0, 3.14]
*** Item DType: r8
"∞"
"-∞"
"NaN"
3.1400000000000001

*** Formula: [1.0/0, -1.0/0, 0.0/0, 3.14, null]
*** Item DType: r8?
"∞"
"-∞"
"NaN"
3.1400000000000001
null

*** Formula: [1.0/0, -1.0/0, 0.0/0, 3.14]->CastR4()
*** Item DType: r4
"∞"
"-∞"
"NaN"
3.1400001

*** Formula: [1.0/0, -1.0/0, 0.0/0, 3.14, null]->CastR4()
*** Item DType: r4?
"∞"
"-∞"
"NaN"
3.1400001
null

