Files
opencv/modules/features2d/src/kaze/utils.h
T
Sean McBrideandAlexander Smorkalov 5fb3869775 Merge pull request #23109 from seanm:misc-warnings
* Fixed clang -Wnewline-eof warnings
* Fixed all trivial clang -Wextra-semi and -Wc++98-compat-extra-semi warnings
* Removed trailing semi from various macros
* Fixed various -Wunused-macros warnings
* Fixed some trivial -Wdocumentation warnings
* Fixed some -Wdocumentation-deprecated-sync warnings
* Fixed incorrect indentation
* Suppressed some clang warnings in 3rd party code
* Fixed QRCodeEncoder::Params documentation.

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Co-authored-by: Alexander Smorkalov <alexander.smorkalov@xperience.ai>
2023-10-06 13:33:21 +03:00

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#ifndef __OPENCV_FEATURES_2D_KAZE_UTILS_H__
#define __OPENCV_FEATURES_2D_KAZE_UTILS_H__
/* ************************************************************************* */
/**
* @brief This function computes the value of a 2D Gaussian function
* @param x X Position
* @param y Y Position
* @param sigma Standard Deviation
*/
inline float gaussian(float x, float y, float sigma) {
return expf(-(x*x + y*y) / (2.0f*sigma*sigma));
}
/* ************************************************************************* */
/**
* @brief This function checks descriptor limits
* @param x X Position
* @param y Y Position
* @param width Image width
* @param height Image height
*/
inline void checkDescriptorLimits(int &x, int &y, int width, int height) {
if (x < 0) {
x = 0;
}
if (y < 0) {
y = 0;
}
if (x > width - 1) {
x = width - 1;
}
if (y > height - 1) {
y = height - 1;
}
}
#endif