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I originally tried this, however the % operator isn't defined for float64.
func main(){ var a float64 a = 1.23 if a%1 == 0{ fmt.Println("yay") }else{ fmt.Println("you fail") } } 
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To check if a float value is a whole number with Python, we can use the is_integer method. to check if 1.0 is an integer by calling is_integer on it. It'll return True if it is and False otherwise.
html. The Number. isInteger() method in JavaScript is used to check whether the value passed to it is an integer or not. It returns true if the passed value is an integer, otherwise, it returns false.
Method 1: Conversion using int(): To convert a float value to int we make use of the built-in int() function, this function trims the values after the decimal point and returns only the integer/whole number part.
Yes, an integral value can be added to a float value. The basic math operations ( + , - , * , / ), when given an operand of type float and int , the int is converted to float first.
Assuming your numbers will fit into an int64, you can just compare the float value with a converted integer value to see if they're the same:
if a == float64(int64(a)) { fmt.Println("yay") } else { fmt.Println("you fail") } Otherwise you can use the math.Trunc function detailed here, with something like:
if a == math.Trunc(a) { fmt.Println("yay") } else { fmt.Println("you fail") } That one should work within the entire float64 domain.
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