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c++ Programming Glossary: y2Efficient C++ quaternion multiplication using cv::Mat http://stackoverflow.com/questions/10781033/efficient-c-quaternion-multiplication-using-cvmat 2 const float r1 q1.at float 3 Second quaternion q2 x2 y2 z2 r2 const float x2 q2.at float 0 const float y2 q2.at float.. q2 x2 y2 z2 r2 const float x2 q2.at float 0 const float y2 q2.at float 1 const float z2 q2.at float 2 const float r2 q2.at.. float r2 q2.at float 3 q.at float 0 x1 r2 r1 x2 y1 z2 z1 y2 x component q.at float 1 r1 y2 x1 z2 y1 r2 z1 x2 y component..
Given a start and end point, and a distance, calculate a point along a line http://stackoverflow.com/questions/1800138/given-a-start-and-end-point-and-a-distance-calculate-a-point-along-a-line line void calculate_line_point int x1 int y1 int x2 int y2 int distance int px int py calculate a point on the line x1.. int px int py calculate a point on the line x1 y1 to x2 y2 that is distance from x2 y2 px py Thanks for the responses no.. point on the line x1 y1 to x2 y2 that is distance from x2 y2 px py Thanks for the responses no this is not homework just..
Fast bignum square computation http://stackoverflow.com/questions/18465326/fast-bignum-square-computation x1 x2 ...xn ...xn x0 x1 x2 ...xn y0 x0 x0 y1 x1 x0 x0 x1 y2 x2 x0 x1 x1 x0 x2 y3 x3 x0 x2 x1 x1 x2 ... y 2n 3 xn n 2 x n..
How does the template parameter of std::function work? (implementation) http://stackoverflow.com/questions/3534812/how-does-the-template-parameter-of-stdfunction-work-implementation T is int Types contains float double Y int float double y2 uses primary template Types contains int float double Y int..
http://stackoverflow.com/questions/4523617/omit-return-type-in-c11 example template class T auto f T x ... auto y1 f x auto y2 h y1 g1 x auto y3 h y1 g2 x if y1 y3 return h2 y2 y3 Then I.. f x auto y2 h y1 g1 x auto y3 h y1 g2 x if y1 y3 return h2 y2 y3 Then I have to put something horrible in the return type...
Using local classes with STL algorithms http://stackoverflow.com/questions/742607/using-local-classes-with-stl-algorithms Y S y1 error local type used as template argument Y S y2 error pointer to local type used as template argument Source..
http://stackoverflow.com/questions/7870533/c-triangle-rasterization algorithm . void ScanLine long x1 long y1 long x2 long y2 long sx sy dx1 dy1 dx2 dy2 x y m n k cnt sx x2 x1 sy y2 y1 if.. long x1 long y1 long x2 long y2 long sx sy dx1 dy1 dx2 dy2 x y m n k cnt sx x2 x1 sy y2 y1 if sx 0 dx1 1 else if sx 0 dx1.. y2 long sx sy dx1 dy1 dx2 dy2 x y m n k cnt sx x2 x1 sy y2 y1 if sx 0 dx1 1 else if sx 0 dx1 1 else dy1 0 if sy 0 dy1 1..
Should function declarations include parameter names? http://stackoverflow.com/questions/7891526/should-function-declarations-include-parameter-names x2 X coordinate of the bottom right corner of the face. y2 Y coordinate of the bottom right corner of the face. id ID of..
Count the number of adjacent boxes http://stackoverflow.com/questions/17328004/count-the-number-of-adjacent-boxes x1 x2 and y1 y2 Rect double X1 double Y1 double X2 double Y2 if X1 X2 x1 X1 x2 X2 else x2 X1 x1 X2 if Y1 Y2 y1 Y1 y2 Y2.. X2 double Y2 if X1 X2 x1 X1 x2 X2 else x2 X1 x1 X2 if Y1 Y2 y1 Y1 y2 Y2 else y2 Y1 y1 Y2 bool isAdjacent Rect rect for.. if X1 X2 x1 X1 x2 X2 else x2 X1 x1 X2 if Y1 Y2 y1 Y1 y2 Y2 else y2 Y1 y1 Y2 bool isAdjacent Rect rect for x axis if x1..
C++ compile-time constant detection http://stackoverflow.com/questions/3299834/c-compile-time-constant-detection int X2 printf 333 char Y1 const_switch_word X1 256 char Y2 const_switch_word X2 256 template int N void test int N1 char.. is_const X1 sizeof Y1 printf i i i n X2 is_const X2 sizeof Y2 testwrap X1 testwrap X2 c templates metaprogramming compile..
Sequence-zip function for c++11? http://stackoverflow.com/questions/8511035/sequence-zip-function-for-c11 For those unfamiliar with Python the code Y1 1 2 3 Y2 4 5 6 7 for x1 x2 in zip Y1 Y2 print x1 x2 Gives as output 1.. Python the code Y1 1 2 3 Y2 4 5 6 7 for x1 x2 in zip Y1 Y2 print x1 x2 Gives as output 1 4 2 5 3 6 c c 11 sequences ..
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