swapf寄存器是修改浮点型数据的高地位的swapl寄存器是修改长整型数据的高地位的在组态王数据词典中建立变量高地位调整，关联swapf寄存器，读写，然后在画面中建立文本，关联此变量，往里面写0,1,2,3当SWAP=0时，转换后浮点数对应的内存值为：HV4HV3HV2HV1。当SWAP=1时，转换后浮点数对应的内存值为：H...
XOR (^) operator NOT (~) operator Left Shift (<<) operator Right Shift (>>) operator Using Bit Masks AND (&) Operator: Performs a bitwise AND operation. Each bit is compared, and the result is 1 only if both corresponding bits are 1. When to Use: When you need to check if certa...
(1<<PB7)表示1向左移动PB7位，此处的PB7表示一个数字，他和PD7、PC7等均表示7，PORTB = (1<<PB7)，表示把1左移7位再赋给PORTB，即为把PB7这个引脚给高电平，这种语句常用来给单个引脚赋值 PORTB = (1<<PB7)|(1<<PB6)|(1<<PB1)|(1<<PB0)；表示几个相并，一起给PORTB，就是...
v[right]进行排序 */ void qsort(int v[], int left, int right) { int i, last; void swap(int v[], int i, int j); if (left >= right) return; swap(v, left, (left + right) / 2); last = left; for (i = left + 1; i <= right; i++) { if (v[i] < v[left]) ...
return 0; } ``` 这个程序首先定义了一个名为`swapBits`的函数,这个函数接收两个指向整数的指针,然后交换这两个整数的位。`mask`变量用来找到两个数共有的位,然后使用XOR操作来清除这些位,并设置新的位。在主函数中,我们创建了两个整数`a`和`b`,并打印出交换位之前和之后的结果。©...
void swap_XOR(int* a, int* b) { *a = *a ^ *b; *b = *a ^ *b; *a = *a ^ *b; } 这是所谓不使用临时变量交换两个数的方法,类似的还有这种 void swap_add(int* a, int* b) { *a = *a + *b; *b = *a - *b; ...
Huge collection of All ▲lgorithms implemented in multiple languages See What is an algorithm? Informally, an algorithm is any well-defined computational procedure that takes some value, or set of values, as input and produces some value, or set of values, as output. An algorithm is thus a...
Swapping of two bits of a byte using C program: Here, we will learn how to swap two bits of a byte? Problem statement Given a byte (an integer number of 8 bits) and we have to swap its any two bits using C program. In this program, we declared an unsigned char type variable to...
Demo2:-bit arithmetic mode: use XOR (two identical values XOR result is 0, any number and 0 XOR is still itself) #define SWAP(a, b) \ { \ a = a ^ b; \ b = a ^ b; \ a = a ^ b; \ } This article is summarized from "C Language Advanced Course" by Tang Zuolin from ...
C 语言是一种通用的、面向过程式的计算机程序设计语言。1972 年,为了移植与开发 UNIX 操作系统,丹尼斯·里奇在贝尔电话实验室设计开发了 C 语言。 C 语言是一种广泛使用的计算机语言,它与 Java 编程语言一样普及,二者在现代软件程序员之间都得到广泛使用。