floating-point - Related information

  • Why floating-point numbers can sometimes be accurately represented in JAVA

    set double = 0.1 in java, and then print it out, which is still 0.1. However, according to the binary floating-point number representation, it should not accurately represent 0.1, but can only accurately represent numbers such as 0.5 and 0.25. I want ...

    Sep.10,2021
  • When can I compare floating point numbers directly?

    In the Coursera algorithm class, there is a material (FAQ s eighth question) that mentions that floating point numbers can be directly compared in this course project. The specific situation is as follows: enter integers a and b in the range of ...

    Mar.31,2021
  • The problem of the accuracy of floating-point numbers

    it is a bit confusing to see that the 23-bit Mantissa determines that the single-precision floating-point decimal precision is 7 digits. The 23-bit binary can only show that the M of the binary Mantissa 1.M can represent 2 ^ 23 digits. How can it be ...

    Mar.06,2021
  • MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
    MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b38ee5-2c134.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
    MySQL Errno : 1021
    Message : Disk full (/tmp/#sql-temptable-64f5-1b38ee5-2c134.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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