Function lstm_unit_implf32

pub fn lstm_unit_implf32(
    n: i32,
    d: i32,
    t: i32,
    h_prev: *const f32,
    c_prev: *const f32,
    x: *const f32,
    seq_lengths: *const i32,
    drop_states: bool,
    c: *mut f32,
    h: *mut f32,
    forget_bias: f32,
)

| Explicit initialize for float and AVX2 | vectorization |