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c++ Programming Glossary: calculationstd::set with user defined type, how to ensure no duplicates http://stackoverflow.com/questions/1114856/stdset-with-user-defined-type-how-to-ensure-no-duplicates code The user defined type An element used in the route calculation. struct RouteElem int shortestToHere Shortest distance from..
I want to generate the nth term of the sequence 1,3,8,22,60 ,164 in Order(1) or order of (nlogn) http://stackoverflow.com/questions/11301992/i-want-to-generate-the-nth-term-of-the-sequence-1-3-8-22-60-164-in-order1-or x_1 1 x_2 3 lead to x_0 0.5 a non integer value hence the calculation should rather be x_ n 1 2 2 ^ n 1 x_2 x_n 1 0 x_1 . To get the..
What is the difference between new/delete and malloc/free? http://stackoverflow.com/questions/240212/what-is-the-difference-between-new-delete-and-malloc-free size required in bytes. Allocating array requires manual calculation of space. Reallocating larger chunk of memory simple No copy..
Floating point vs integer calculations on modern hardware http://stackoverflow.com/questions/2550281/floating-point-vs-integer-calculations-on-modern-hardware point vs integer calculations on modern hardware I am doing some performance critical work.. critical work in C and we are currently using integer calculations for problems that are inherently floating point because its.. code. Now I remember reading about how floating point calculations were so slow approximately circa the 386 days where I believe..
Edges on polygon outlines not always correct http://stackoverflow.com/questions/3039026/edges-on-polygon-outlines-not-always-correct b_perp.x b_perp.x b_perp.y b_perp.y TODO do inner miter calculation flip around normals and calculate round join points a_perp.x.. if det 0 a_perp a_perp b_perp b_perp TODO do inner miter calculation flip around normals and calculate round join points a_perp a_perp..
“Step over” when debugging multithreaded programs in Visual Studio http://stackoverflow.com/questions/336628/step-over-when-debugging-multithreaded-programs-in-visual-studio the line number. You may be able to replace the location calculation with information on the current execution point though I was..
Template specialization with float as non type http://stackoverflow.com/questions/3800867/template-specialization-with-float-as-non-type is running on the target architecture it can just do the calculation and find out the answer but if you are cross compiling the compiler..
What is the best way to create a sparse array in C++? http://stackoverflow.com/questions/4306/what-is-the-best-way-to-create-a-sparse-array-in-c matrices particularly pyramidal summation for a copula calculation. In short I need to keep track of a relatively small number..
How to convert a single char into an int http://stackoverflow.com/questions/439573/how-to-convert-a-single-char-into-an-int and I need to extract each one of them to use them in a calculation. I can of course access each char by index but how do I convert..
CUDA how to get grid, block, thread size and parallalize non square matrix calculation http://stackoverflow.com/questions/5643178/cuda-how-to-get-grid-block-thread-size-and-parallalize-non-square-matrix-calcu grid block thread size and parallalize non square matrix calculation I am new to CUDA and need help understanding some things. I..
Dealing with accuracy problems in floating-point numbers http://stackoverflow.com/questions/590822/dealing-with-accuracy-problems-in-floating-point-numbers double mw atof str The variables used in the columns calculation below are mw 4.5999999999999996 p 0.2 g 0.2 h 1 integer.. to casting to an integer type the result of the columns calculation is 1.9999999999999996 so near yet so far from the desired result..
Calculating normals in a triangle mesh http://stackoverflow.com/questions/6656358/calculating-normals-in-a-triangle-mesh that normals are per face as the first step in normal calculation is determining the face normals by evaluating the cross product.. by simply summing up all the face normals. In lighting calculations the normal vector must be unit length i.e. normalized to be..
In which order should floats be added to get the most precise result? http://stackoverflow.com/questions/6699066/in-which-order-should-floats-be-added-to-get-the-most-precise-result world programming since there are some cases where your calculation can go very badly wrong if you accidentally chop off a heavy..
Efficient way of storing Huffman tree http://stackoverflow.com/questions/759707/efficient-way-of-storing-huffman-tree is the actual number of occurances. Pseudo code for calculation Tree size 10 NUMBER_OF_CHARACTERS 1 Encoded size Sum for each.. each char freq in table freq len PATH char The tree size calculation takes the leaf and non leaf nodes into account and there's one..
What's the best way to do fixed-point math? [closed] http://stackoverflow.com/questions/79677/whats-the-best-way-to-do-fixed-point-math many a trouble by moving the complexity of fixed point calculation to a single place. If you like you can further increase the..
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