Float32x4 select(
Float32x4 trueValue,
Float32x4 falseValue
)

Merge trueValue and falseValue based on this' bit mask: Select bit from trueValue when bit in this is on. Select bit from falseValue when bit in this is off.

Source

/// Merge [trueValue] and [falseValue] based on [this]' bit mask:
/// Select bit from [trueValue] when bit in [this] is on.
/// Select bit from [falseValue] when bit in [this] is off.
Float32x4 select(Float32x4 trueValue, Float32x4 falseValue);