}
		got = PortableFMA(c.x, c.y, c.z)
		if !alike(got, c.want) {
			t.Errorf("PortableFMA(%g,%g,%g) == %g; want %g", c.x, c.y, c.z, got, c.want)
		}
	}
}

//go:noinline
func fmsub(x, y, z float64) float64 {
	return FMA(x, y, -z)
}

//go:noinline
func fnmsub(x, y, z float64) float64 {
	return FMA(-x, y, z)
}

//go:noinline
func fnmadd(x, y, z float64) float64 {

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