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Julia| sign()函數 (Julia | sign() function)

sign() function is a library function in Julia programming language, it returns the sign of the given value in the form of -1/+1.

sign()函數是Julia編程語言中的庫函數，它以-1 / + 1的形式返回給定值的符號。

Note: If the value is 0, it returns 0.

注意：如果該值為0，則返回0。

Syntax:

句法：

    sign(val)

Parameter(s):

參數：

• val – represents a signed integer/value, whose sign (-1 or +1) to be found.

  val –表示一個有符號的整數/值，其符號(-1或+1)將被找到。

Return value:

返回值：

The return type of this method is Int64, it returns the -1 or +1 for the val.

此方法的返回類型為Int64 ，它返回val的-1或+1。

Example:

例：

    Input:
val = 0
Output:
sign(val): 0
Input:
val = -10
Output:
sign(val): -1
Input:
val = 10
sign(val): +1

Program:

程序：

# sign() Function with Example in Julia
val = 0
println("val: ", val)
println("sign(val): ", sign(val))
val = 10
println("val: ", val)
println("sign(val): ", sign(val))
val = -10
println("val: ", val)
println("sign(val): ", sign(val))
val = 10.23
println("val: ", val)
println("sign(val): ", sign(val))
val = -10.23
println("val: ", val)
println("sign(val): ", sign(val))
# printing the return type of sign()
println("typeof(sign(-10)): ", typeof(sign(-10)))

Output

輸出量

val: 0
sign(val): 0
val: 10
sign(val): 1
val: -10
sign(val): -1
val: 10.23
sign(val): 1.0
val: -10.23
sign(val): -1.0
typeof(sign(-10)): Int64

翻譯自: https://www.includehelp.com/julia/sign-function-with-example.aspx

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