# double value range

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### Float and doublerange and precision

1. ScopeThe float and double ranges are determined by the number of digits of the index.The float index has eight digits, while the double index has 11 digits. The distribution is as follows:Float:1bit (symbol bit) 8 bits (index bit) 23 bits (tail

### Understanding of float, double, long double precision and numerical range in C language

IEEE754 the representation of floating-point numbers. The expression range of float type data in C language is -3.4*10^38~+3.4*10^38. Double is -1.7*10^-308~1.7*10^308,long double for -1.2*10^-4932~1.2*10^4932. Type Number of bits

### Range and precision of float and double, number type of Oracle

double and float are floating point types. Doubles (double type) are more accurate than float (single-precision) data and occupy more space. Double precision is twice times that of float, so a double is often used for more precise calculations.

### Analysis of the locking problem of SQL Server to prevent the range lock of Phantom read under Serializable isolation level

Original text: A brief analysis of the locking problem of SQL Server to prevent the range lock of Phantom read under Serializable isolation levelThe source of this article: http://www.cnblogs.com/wy123/p/7501261.html(It is not the original works

### Analysis of the locking problem of SQL Server to prevent the range lock of Phantom read under Serializable isolation level

Original text: A brief analysis of the locking problem of SQL Server to prevent the range lock of Phantom read under Serializable isolation levelThe source of this article: http://www.cnblogs.com/wy123/p/7501261.html(It is not the original works

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### Analysis of the locking problem of SQL Server to prevent the range lock of Phantom read under Serializable isolation level

The source of this article: http://www.cnblogs.com/wy123/p/7501261.html(It is not the original works right to retain the source, I my book still far to reach, just to link to the original text, because the following may exist some errors to amend or

### The representation range and precision of a Java floating point number float or double type

Vaguely remember, floating point size seems to have a trap, because the bottom of the binary number can not accurately represent all the decimals. Sometimes there are things that make people feel strange.As in

### Range and precision of float and double

1. ScopeThe range of float and double is determined by the number of digits of the exponent.Float has an exponential position of 8 bits, and a double has a 11-bit exponent, distributed as follows:Float1bit (sign bit) 8bits (digit digit) 23bits

### Float and doublerange and precision

1. ScopeThe float and double ranges are determined by the number of digits of the index.The float index has eight digits, while the double index has 11 digits. The distribution is as follows:Float:1bit (symbol bit) 8 bits (index bit) 23 bits (tail

### range of short, int, long, float, double values in Java

First, analyze the characteristics of the basic data type, maximum and minimum values. 1, Basic type: int bits number: + Wrapper class: Java.lang.Integer Minimum: integer.min_value=-2147483648 (-2 of 31 Parties) Maximum value: integer.max_value=

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