Single-precision IEEE absolute value (vForce variant).

Computes $\text{out}_i = |\text{in}_i|$ via vvfabsf. Equivalent to the vDSP vabs_f32 for finite inputs; behaviour on NaNs differs from the bitwise-mask form because vvfabs preserves NaN payloads.

References

Accelerate.framework vvfabsf.