cycloneii normal mode vs. arithmetic mode

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cycloneii normal mode vs. arithmetic mode

Combout = F(data1, data2, data3 or cin, data4) 在 arithmetic mode,只有 data1\data2 参加运算. 4-LUT到2个3-LUT的转换关系是这样子的: 所以在Arithmetic Mode时,data4是接到VCC的.…

附录：ARM 手册词汇表

来自:<DDI0406C_C_arm_architecture_reference_manual.pdf>p2723 能够查询到:“RAZ RAO WI 等的意思” RAZ:Read-As-Zero 读到的总是0 RAO:Read-As-Oned读到的总是1 WI :Writes Ignoredx 写无效 SBZP:Should-Be-Zero-or-Preserved on writes 写总是0 SBOP : Should-Be-One-or-Preserved on writes. 写总…

CSharpGL(14)用geometry shader渲染模型的法线(normal)

+BIT祝威+悄悄在此留下版了个权的信息说: CSharpGL(14)用geometry shader渲染模型的法线(normal) +BIT祝威+悄悄在此留下版了个权的信息说: 2016-08-13 由于CSharpGL一直在更新,现在这个教程已经不适用最新的代码了.CSharpGL源码中包含10多个独立的Demo,更适合入门参考. 为了尽可能提升渲染效率,CSharpGL是面向Shader的,因此稍有难度. 问题在处理光照效果等问题时,模型的顶点的法线是必不可少的数据.但是法线并不直接显示…

[LeetCode] Arithmetic Slices II - Subsequence 算数切片之二 - 子序列

A sequence of numbers is called arithmetic if it consists of at least three elements and if the difference between any two consecutive elements is the same. For example, these are arithmetic sequences: 1, 3, 5, 7, 9 7, 7, 7, 7 3, -1, -5, -9 The follo…

[LeetCode] Arithmetic Slices 算数切片

A sequence of number is called arithmetic if it consists of at least three elements and if the difference between any two consecutive elements is the same. For example, these are arithmetic sequence: 1, 3, 5, 7, 9 7, 7, 7, 7 3, -1, -5, -9 The followi…

52. 不用＋、－、×、÷做加法[add two numbers without arithmetic]

[本文链接] http://www.cnblogs.com/hellogiser/p/add-two-numbers-without-arithmetic.html [题目] 写一个函数,求两个整数的之和,要求在函数体内不得使用+.-.×.÷. [分析] 这是一道考察发散思维的很有意思的题目.当我们习以为常的东西被限制使用的时候,如何突破常规去思考,就是解决这个问题的关键所在. 普通四则运算都不能用,那还能用什么啊?我们会想到位运算,因为四则运算本质上都可以通过位运算实现. 举个例子: 首先我们…

一张图看懂normal,static,sealed,abstract 的区别

+-------------------------+---+--------+--------+--------+----------+ | Class Type | | normal | static | sealed | abstract | +-------------------------+---+--------+--------+--------+----------+ | Can be instantiated | : | yes | no | yes | no | | Can…