const math.pa2

3 uses

	math (current package)
		erf.go#L137: 	pa2 = -3.72207876035701323847e-01 // 0xBFD7D240FBB8C3F1
		erf.go#L237: 		P := pa0 + s*(pa1+s*(pa2+s*(pa3+s*(pa4+s*(pa5+s*pa6)))))
		erf.go#L319: 		P := pa0 + s*(pa1+s*(pa2+s*(pa3+s*(pa4+s*(pa5+s*pa6)))))

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