fastBellDerivSimd function

Float32x4 fastBellDerivSimd(
  1. Float32x4 x
)

Implementation

Float32x4 fastBellDerivSimd(Float32x4 x) {
  var x2 = x * x;
  var xm4 = x.scale(-4);
  return x2.greaterThan(_SIMD0_25).select((x2 * xm4).reciprocal(), xm4);
}