decaf377::fields::fr::u32::fiat

Function fr_selectznz

Source 
pub fn fr_selectznz(
    out1: &mut [u32; 8],
    arg1: FrU1,
    arg2: &[u32; 8],
    arg3: &[u32; 8],
)
Expand description

The function fr_selectznz is a multi-limb conditional select.

Postconditions: out1 = (if arg1 = 0 then arg2 else arg3)

Input Bounds: arg1: [0x0 ~> 0x1] arg2: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]] arg3: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]] Output Bounds: out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]