fn approxBinary16(z: f32) f32 z: f3246
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53fn approxBinary16(z: f32) f32 {
const S0: f32 = 1.0000001e0;
const S1: f32 = 1.6664918e-1;
const S2: f32 = 7.55022e-2;
const S3: f32 = 3.9513987e-2;
const S4: f32 = 5.0883885e-2;
return S0 + z * (S1 + z * (S2 + z * (S3 + z * S4)));
}