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- ¿Qué diferencia entre float y double en C++?
En double se pueden almacenar números más grandes y también más decimales Con los números que has probado no se ve diferencia porque cout << redondea la representación interna para mostrar pocos decimales, y lo que ves en ambos casos es lo mismo, pero internamente no son iguales
- C语言中，double**和double (*) [5]有什么区别？怎么理解？ - 知乎
double** 是指向 double* 类型的指针类型。 区别不是很显然的吗？ double [5] 类型能隐式转换成 double* 类型，但它们不是同一类型。 可以考虑一下 short 和 long 这两种类型是能相互隐式转换的，但它们显然没有因此变成同一类型。
- What is the difference between float and double? - Stack Overflow
I've read about the difference between double precision and single precision However, in most cases, float and double seem to be interchangeable, i e using one or the other does not seem to affec
- c语言中float、double的区别和用法？ - 知乎
C语言中，float和double都属于 浮点数。区别在于：double所表示的范围，整数部分范围大于float，小数部分，精度也高于float。 举个例子： 圆周率 3 1415926535 这个数字，如果用float来表示，最多只能精确到小数点后面的6位。而double大约能精确到小数点后面的15位左右。具体精确到几位，跟所用的 编译器
- Correct format specifier for double in printf - Stack Overflow
Format %lf in printf was not supported in old (pre-C99) versions of C language, which created superficial "inconsistency" between format specifiers for double in printf and scanf
- c++ - Double precision - decimal places - Stack Overflow
From what I have read, a value of data type double has an approximate precision of 15 decimal places However, when I use a number whose decimal representation repeats, such as 1 0 7 0, I find tha
- What exactly does Double mean in java? - Stack Overflow
A Double in Java is the class version of the double basic type - you can use doubles but, if you want to do something with them that requires them to be an object (such as put them in a collection), you'll need to box them up in a Double object
- decimal vs double! - Which one should I use and when?
When should I use double instead of decimal? has some similar and more in depth answers Using double instead of decimal for monetary applications is a micro-optimization - that's the simplest way I look at it
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