crealf, creal, creall

来自cppreference.com

 
 
 
复杂的数字运算
类型和假想常数
Original:
Types and the imaginary constant
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操纵
Original:
Manipulation
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cimag
creal
carg
电源和指数函数
Original:
Power and exponential functions
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三角函数
Original:
Trigonometric functions
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双曲函数
Original:
Hyperbolic functions
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Defined in header <complex.h>
float       crealf( float complex z );
(C99 起)
double      creal( double complex z );
(C99 起)
long double creall( long double complex z );
(C99 起)
返回的实部z.
Original:
Returns the real part of z.
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目录

[编辑] 参数

z -
复杂的参数
Original:
complex argument
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[编辑] 返回值

的实部z.
Original:
The real part of z.
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[编辑] 为例

[编辑] 另请参阅

(C99)
(C99)
(C99)
计算的虚数部的复数
Original:
computes the imaginary part a complex number
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(函数) [edit]