using System; class Test { static void Main() { decimal dcm1 = 8224055000.0000000000m; decimal dcm2 = 8224055000m; double dbl1 = (double) dcm1; double dbl2 = (double) dcm2; Console.WriteLine(DoubleConverter.ToExactString(dbl1)); Console.WriteLine(DoubleConverter.ToExactStr...
Decimal是一种高精度的数值数据类型，通常用于处理需要精确十进制计算的场景。Decimal类型不同于传统的浮点...
AdomdConnectionException This is usually a temporary error during hostname resolution and means that the local server did not receive a response from an authoritative server Advice on Connecting to an IP Camera using C# App? AES encrypt in Javascript and decrypt in C# AES Encryption issues (Paddin...
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@Robert: decimals are floats in the sense that the position of the decimal point "floats around". Decimals are not "fixed point" numbers where there are, say, 15 places before the decimal point and 10 after. The difference between decimal and double is that a decimal is a number of th...
The Decimal, Double, and Float variable types are different in the way that they store the values. Precision is the main difference where float is a single precision (32 bit) floating point data type, double is a double precision (64 bit) floating point
如果读入的性质的更加伪影不能真正精确反正测量值, float / double更合适。例如,科学数据通常以这种形式表示。在这里,原始值不会以 “十进制精度” 开头,因此保持 “十进制精度” 对于预期结果并不重要。使用浮点二进制点类型比使用小数要快得多。 精度是主要的区别。 浮点数 - 7 位数(32 位) 双 -15-16...
the 'double' to accumulate the result, the precision isn't lost. The 'double to string' conversion still isn't fixed in this case, but that's how it was in 4.0 per-file comments: strings/strtod.cBug#36829Decimal to double conversion is inaccurate long double used to accumulate the ...
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如果要存交易额的话,通常使用什么类型? 凡是跟钱相关的都需要使用 Decimal。 Decimal 是精确存储 float, double 是近似存储,并不精确 做个简单的测试。 首先建表 CREATE TABLE `payment` ( `id` int(11) NOT NULL AUTO_INCREMENT, `name` varchar(45) COLLATE utf8_unicode_ci DEFAULT NULL, ...