数学随笔

数学随笔

e指数逼近函数

public static double getPowerSquareOfExponent(double powerSquare) {
	long i = (long) (1512775 * powerSquare + 1072632447);
	return Double.longBitsToDouble(i << 32);
}

论文:A Fast, Compact Approximation of the Exponential Function

# Math 

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