forked from Mirrors/privacore-open-source-search-engine
15 lines
591 B
C
15 lines
591 B
C
#ifndef GB_SCALINGFUNCTIONS_H
|
|
#define GB_SCALINGFUNCTIONS_H
|
|
|
|
//simple y = f(x) functions, used for a variety of purposes.
|
|
|
|
//limit x into range [min_x..max_x], then scale linearly into [min_y..max_y]
|
|
double scale_linear(double x, double min_x, double max_x, double min_y, double max_y);
|
|
float scale_linear(float x, float min_x, float max_x, float min_y, float max_y);
|
|
|
|
|
|
//limit x into range [min_x..max_x], then scale using a quadratic expression into [min_y..max_y]
|
|
double scale_quadratic(double x, double min_x, double max_x, double min_y, double max_y);
|
|
|
|
#endif // GB_SCALINGFUNCTIONS_H
|