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[LeanCalc.git] / help / re
1 NAME
2     re - real part of a real or complex number
3
4 SYNOPSIS
5     re(x)
6
7 TYPES
8     x           real or complex
9
10     return      real
11
12 DESCRIPTION
13     If x = u + v * 1i where u and v are real, re(x) returns u.
14
15 EXAMPLE
16     > print re(2), re(2 + 3i), re(-4.25 - 7i)
17     2 2 -4.25
18
19 LIMITS
20     none
21
22 LINK LIBRARY
23     COMPLEX *c_imag(COMPLEX *x)
24
25 SEE ALSO
26     im
27