WebDec 1, 2024 · I don't have enough rep points to comment on @Ruzihm's answer. Just wanted to mention that the custom IsNaN method did the trick for me. Thanks! In my case, I'm porting a math utility I wrote in C# to a .cginc file to use in compute shaders. I also use a NaN constant as a return value in some of my methods as an early out. Web编辑：还要注意，如果 a 为负数，而 b 为非常大的正数，则减法可能溢出，结果将为负无穷大，但测试仍然有效，因为负无穷大的绝对值为正无穷大，它将大于EPSILON，它希望您在需要的准确度范围内比较它们。
c# - Equality with Double.NaN - Stack Overflow
WebFeb 6, 2024 · How to check for NaN in C++? Method 1: Using compare (“==”) operator. In this method, we check if a number is complex by comparing it with itself. If the result is true, then the number is not complex i.e., real. But if the result is false, then “nan” is returned, i.e. the number is complex. CPP #include #include WebOct 20, 2010 · It sounds as if your parser is just returning NaN, not throwing an exception. You can test for NaN using the static IsNaN method: result = parser.Parse (func, hash); if (float.IsNaN (result)) // assuming that result is a float { // do something } else { // do something else } Share Improve this answer Follow answered Oct 20, 2010 at 19:48 LukeH the meiosis phase shown in this image is
.net - Floating point comparison functions for C# - Stack Overflow
WebAug 10, 2014 · C#, VS 2010. I need to determine if a float value is NaN. Testing a float for NaN using. float.IsNaN (aFloatNumber) crashes with a stack overflow. So does. … WebNov 5, 2011 · Floating-point operations return NaN to signal that that result of the operation is undefined. For example, dividing 0.0 by 0.0 results in NaN. Note that you can't just do: … WebOct 13, 2014 · FLOAT32 test_NaN = 0x414570A3; The hex value given is considered as an integer and converted to float (with exponent and value) meaning it is stored in a different format. If you want to force the bits inside the float, then you need to memcpy: FLOAT32 test_NaN; memcpy (&test_NaN, 0x414570A3, 4); Share Improve this answer Follow tiff\u0027s treats nashville tn