Algorithm optimization/speed_exp.cpp · 杨慧强/Image-processing-algorithm

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Image-processing-algorithm

Algorithm optimization

speed_exp.cpp

speed_exp.cpp 290 Bytes

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BBuf authored 2019年03月04日 18:04 +08:00 . Fix speed_exp.cpp BUG

1 2 3 4 5 6 7 8 9 10 11 12 13 14

inline float exp1(float x) {
	x = 1.0 + x / 256.0;
	x *= x; x *= x; x *= x; x *= x;
	x *= x; x *= x; x *= x; x *= x;
	return x;
}

inline float exp2(float x) { 
	x = 1.0 + x / 1024; 
	x *= x; x *= x; x *= x; x *= x; 
	x *= x; x *= x; x *= x; x *= x; 
	x *= x; x *= x; 
	return x; 
}