浮点

[fú diǎn]

Chinese-English

Web Definition

Sample Sentence

Definition:
AllAll,floating pointfloating point,doubledouble,FPUFPU
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
1.
A user- defined function is said to be precise if it does not involve any floating point operations .
如果用户定义函数不涉及任何浮点操作，就称其为精确函数。
rú guǒ yòng hù dìng yì hán shù bù shè jí rèn hé fú diǎn cāo zuò , jiù chēng qí wéi jīng què hán shù 。
www.ecd123.com
2.
For values of other types, the conversion is the same as if the value would have been converted to integer and then to float.
对于其它类型的值，其情况类似于先将值转换成整型，然后再转换成浮点。
duì yú qí tā lèi xíng de zhí , qí qíng kuàng lèi sì yú xiān jiāng zhí zhuǎn huàn chéng zhěng xíng , rán hòu zài zhuǎn huàn chéng fú diǎn 。
www.phpx.com
3.
Returns TRUE if val is infinite (positive or negative), like the result of log(0) or any value too big to fit into a float on this platform.
如果val为无穷大（正的或负的），例如log（0）的结果或者任何超出本平台的浮点数范围的值，则返回TRUE。
rú guǒ val wèi wú qióng dà ( zhèng de huò fù de ) , lì rú log ( líng ) de jié guǒ huò zhě rèn hé chāo chū běn píng tái de fú diǎn shù fàn wéi de zhí , zé fǎn huí TRUE 。
www.phpx.com
4.
Q. What happens if I assign a number with a decimal point to an integer rather than to a float? Consider the following line of code.
如果把一个小数赋给一个整型变量而不是浮点型变量，将会发生什么？考虑下面这行代码。
rú guǒ bǎ yī gè xiǎo shù fù gěi yī gè zhěng xíng biàn liàng ér bú shì fú diǎn xíng biàn liàng , jiāng huì fā shēng shén me ? kǎo lǜ xià mian zhè háng dài mǎ 。
xcf-007.blog.163.com
5.
Many of the familiar algebraic rules for Real number arithmetic do not always hold for floating-point arithmetic.
对于浮点算法而言，许多惯用的实数算法代数规则有时并不适用。
duì yú fú diǎn suàn fǎ ér yán , xǔ duō guàn yòng de shí shù suàn fǎ dài shù guī zé yǒu shí bìng bù shì yòng 。
msdn2.microsoft.com
6.
If the result of a floating- point operation is too small for the destination format , the result of the operation is zero .
如果浮点运算的结果对于目标格式来说太小，则运算的结果为零。
rú guǒ fú diǎn yùn suàn de jié guǒ duì yú mù biāo gé shì lái shuō tài xiǎo , zé yùn suàn de jié guǒ wéi líng 。
www.ecd123.com
7.
The imperceptible differences might be due to rounding or same-result calculations of a floating-point data types.
无法察觉差异可能是因为四舍五入或浮点数资料型别的相同计算结果所造成。
wú fǎ chá jué chā yì kě néng shì yīn wèi sì shě wǔ rù huò fú diǎn shù zī liào xíng bié de xiāng tóng jì suàn jié guǒ suǒ zào chéng 。
technet.microsoft.com
8.
If you want to force a floating-point result, be sure that at least one of the operands is a floating-point type.
如果要强制取得浮点结果，则必须确保操作数中至少有一个为浮点类型。
rú guǒ yào qiáng zhì qǔ de fú diǎn jié guǒ , zé bì xū què bǎo cāo zuò shù zhōng zhì shǎo yǒu yī gè wèi fú diǎn lèi xíng 。
www.ibm.com
9.
Floating-point (FP) arithmetic is usually used in many high accuracy calculation fields.
在很多高精度计算场合需要采用浮点运算。
zài hěn duō gāo jīng dù jì suàn chǎng hé xū yào cǎi yòng fú diǎn yùn suàn 。
www.fabiao.net
10.
Converts the string representation of a number in a specified style to its double- precision floating- point number equivalent .
将具有指定样式的数字的字符串表示形式转换为它的等效单精度浮点数字。
jiāng jù yǒu zhǐ dìng yàng shì de shù zì de zì fú chuàn biǎo shì xíng shì zhuǎn huàn wéi tā de děng xiào dān jīng dù fú diǎn shù zì 。
www.ecd123.com
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