blob: fcf359f7840960db16b10c3f0fb5b2f7c1df1fb3 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
.\" Distributed under GPL
.\"
.TH CIMAG 3 2002-07-28 "" "complex math routines"
.SH NAME
cimag, cimagf, cimagl \- get imaginary part of a complex number
.SH SYNOPSIS
.B #include <complex.h>
.sp
.BI "double cimag(double complex " z ");"
.sp
.BI "float cimagf(float complex " z ");"
.sp
.BI "long double cimagl(long double complex " z ");"
.sp
Link with \-lm.
.SH DESCRIPTION
The cimag() function returns the imaginary part of the complex number z.
.LP
One has z = creal(z) + I*cimag(z).
.SH NOTE
gcc also supports __imag__. That is a GNU extension.
.SH "CONFORMING TO"
C99
.SH "SEE ALSO"
.BR cabs (3),
.BR creal (3),
.BR complex (5)
|
