c++ Programming Glossary: floor

http://stackoverflow.com/questions/1236550/incorrect-floating-point-math

point math there you're doing integer math which will floor the results of divisions. In C 5 4 1 not 1.25 because 5 and..

OpenCV: process every frame

http://stackoverflow.com/questions/3907028/opencv-process-every-frame

elapsed clock last_time int fps 0 if elapsed 1 fps floor num_frames float 1 float elapsed float CLOCKS_PER_SEC num_frames..

round() for float in C++

http://stackoverflow.com/questions/485525/round-for-float-in-c

round 0.1 0 round 0.1 0 round 0.9 1 I can find ceil and floor in the math.h but not round . Is it present in the standard.. can write one yourself though double round double d return floor d 0.5 The probable reason there's no round in the C std library..

Does casting to an int after std::floor guarantee the right result?

http://stackoverflow.com/questions/605533/does-casting-to-an-int-after-stdfloor-guarantee-the-right-result

casting to an int after std floor guarantee the right result I'd like a floor function with the.. int after std floor guarantee the right result I'd like a floor function with the syntax int floor double x but std floor returns.. result I'd like a floor function with the syntax int floor double x but std floor returns a double . Is static_cast int..

How does Excel successfully Rounds Floating numbers even though they are imprecise?

http://stackoverflow.com/questions/6930786/how-does-excel-successfully-rounds-floating-numbers-even-though-they-are-impreci

of the corner case. The algorithm in C #include cmath std floor Compute 10 to some positive integral power. Dealing with overflow.. if nplaces 0 double scale pow10 nplaces round_down std floor x scale corner_case round_down 0.5 scale round_up round_down.. scale else double scale pow10 nplaces round_down std floor x scale corner_case round_down 0.5 scale round_up round_down..

Image scaling (KeepAspectRatioByExpanding) through OpenGL

http://stackoverflow.com/questions/9011108/image-scaling-keepaspectratiobyexpanding-through-opengl

texcoord from fixed function pipeline float CbY ImgHeight floor t.y 4.0 float CrY ImgHeight chromaHeight_Half floor t.y 4.0.. floor t.y 4.0 float CrY ImgHeight chromaHeight_Half floor t.y 4.0 float CbCrX floor t.x 2.0 chromaWidth floor mod t.y.. CrY ImgHeight chromaHeight_Half floor t.y 4.0 float CbCrX floor t.x 2.0 chromaWidth floor mod t.y 2.0 float Cb texture2DRect..

How to do an integer log2() in C++?

http://stackoverflow.com/questions/994593/how-to-do-an-integer-log2-in-c

I use log to find the level of an index in a binary tree floor 2log index . Code C int targetlevel int log index log 2 I am..