lookup-tables

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Pow function vs lookup texture in shader

I\'m developing for the XBOX 360, and I use the pow() intrinsic in some lighting calculations. 6-8 years ago 开发者_开发问答it used to be common to use a 1D lookup texture to approximate pow(). Does[详细]

2023-02-28 21:00 分类：问答
Optimization using look up table

I have made some c code for a progr开发者_开发技巧am, which does some psycho-acoustics on sound data.[详细]

2023-02-21 19:57 分类：问答
How to use a color LUT in Qt QImage

I have some legacy code that was writing to a NITF file to display some images. In the legacy code, it appears as if there was a LUT being used, and there was a section of code that wrote out a row at[详细]

2023-02-20 22:30 分类：问答
How should Lookup Values be represented in ASP.NET Business Objects?

I\'m currently writing an N-Tier architected ASP.NET system with a relatively normalised SQL data开发者_JS百科base backend, but I\'m struggling to get my head around how lookup values should be repres[详细]

2023-02-19 13:32 分类：问答
Lookup table: any better practice?

I wonder if any better practice or any principle when come to design a lookup table. I intend to design an abstract lookup table which can serve many different situations.[详细]

2023-02-17 17:05 分类：问答
C# is half as slow than Java in memory access with loops?

I have two pieces of code that are identical in C# and Java.But the Java one goes twice as fast.I want to know why.Both work with the same principal of using a big lookup table for performance.[详细]

2023-02-16 12:26 分类：问答
Hibernate quick way to lookup unique string in table

I have table containing a series of unique strings which I need to provide quick lookups to (besides for memory-caching).[详细]

2023-02-13 06:12 分类：问答
Where to put compile-time-constant arrays?

Say I have an array storing the first 10 primes, like this: const int primes[] = {2, 3, 5, 7, 11, 13, 17, 19, 23, 29};[详细]

2023-02-12 03:53 分类：问答
Should I use a code in my lookup table

I am woking on an Orable database and I am adding a couple of lookup tables. The general question is should the lookup table contain a code and a description and the code be the FK back to the main t[详细]

2023-02-10 00:56 分类：问答
Lookup tables in Core Data

Core data is not a database and so I am getting confused as to how to create, manage or even implement Lookup tables in core data.[详细]

2023-02-08 04:56 分类：问答