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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
- 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。
- 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
- java - Cast Double to Integer - Stack Overflow
494 A Double is not an Integer, so the cast won't work Note the difference between the Double class and the double primitive Also note that a Double is a Number, so it has the method intValue, which you can use to get the value as a primitive int
- 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
- How do I print a double value with full precision using cout?
In my earlier question I was printing a double using cout that got rounded when I wasn't expecting it How can I make cout print a double using full precision?
- How can I escape double quotes in a string? - Stack Overflow
A similar question for C C++ (as this may be the top search engine hit): How can I get double quotes into a string literal?
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