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c++ Programming Glossary: cos

OpenCV C++/Obj-C: Advanced square detection

http://stackoverflow.com/questions/10533233/opencv-c-obj-c-advanced-square-detection

approx double maxCosine 0 for int j 2 j 5 j double cosine fabs angle approx j 4 approx j 2 approx j 1 maxCosine MAX.. approx j 4 approx j 2 approx j 1 maxCosine MAX maxCosine cosine if maxCosine 0.3 squares.push_back approx c objective.. line vector Point2f points float r line 0 t line 1 double cos_t cos t sin_t sin t double x0 r cos_t y0 r sin_t double alpha..

C++ Tips for code optimization on ARM devices

http://stackoverflow.com/questions/10800372/c-tips-for-code-optimization-on-arm-devices

of the program. Any suggestion is welcomed. 1 Avoid high cost instructions division square root sin cos Use logical shifts.. 1 Avoid high cost instructions division square root sin cos Use logical shifts to divide or multiply by 2. Multiply by the.. 3 Use look up tables for some mathematical functions sin cos ... USEFUL TOOLS objdump gets assembly code of compiled program...

Rotating a point about another point (2D)

http://stackoverflow.com/questions/2259476/rotating-a-point-about-another-point-2d

cx float cy float angle POINT p float s sin angle float c cos angle translate point back to origin p.x cx p.y cy rotate point..

C++ fixed point library? [closed]

http://stackoverflow.com/questions/2945747/c-fixed-point-library

Edges on polygon outlines not always correct

http://stackoverflow.com/questions/3039026/edges-on-polygon-outlines-not-always-correct

if dot 1.0f dot 1.0f if dot 1.0f dot 1.0f float theta_0 acos dot float theta theta_0 t POINTFLOAT v2 v2.x v0.y v2.y v0.x.. v2 v2.x v0.y v2.y v0.x POINTFLOAT result result.x v0.x cos theta v2.x sin theta result.y v0.y cos theta v2.y sin theta.. result.x v0.x cos theta v2.x sin theta result.y v0.y cos theta v2.y sin theta return result void OGLENGINEFUNCTIONS GenerateLinePoly..

Creating a 3D sphere in Opengl using Visual C++

http://stackoverflow.com/questions/5988686/creating-a-3d-sphere-in-opengl-using-visual-c

s float const y sin M_PI_2 M_PI r R float const x cos 2 M_PI s S sin M_PI r R float const z sin 2 M_PI s S sin M_PI..

C++: Rotating a vector around a certain point

http://stackoverflow.com/questions/620745/c-rotating-a-vector-around-a-certain-point

would result in 7 4 1 8 5 2 9 6 3 Right now I am using x x cos 90 y sin 90 y y cos 90 x sin 90 But I don't want it rotated.. 1 8 5 2 9 6 3 Right now I am using x x cos 90 y sin 90 y y cos 90 x sin 90 But I don't want it rotated around 0 0 Thanks c.. into the original coordinate system would be x x x_origin cos angle y_origin y sin angle x_origin y y_origin y cos angle x..

Using Quaternions for OpenGL Rotations

http://stackoverflow.com/questions/9715776/using-quaternions-for-opengl-rotations

Pitch Pi 180 float rRoll Roll Pi 180 Components float C1 cos rYaw 2 float C2 cos rPitch 2 float C3 cos rRoll 2 float S1 sin.. rRoll Roll Pi 180 Components float C1 cos rYaw 2 float C2 cos rPitch 2 float C3 cos rRoll 2 float S1 sin rYaw 2 float S2 sin.. float C1 cos rYaw 2 float C2 cos rPitch 2 float C3 cos rRoll 2 float S1 sin rYaw 2 float S2 sin rPitch 2 float S3 sin..