1CARG(P) POSIX Programmer's Manual CARG(P)
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6 carg, cargf, cargl - complex argument functions
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9 #include <complex.h>
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11 double carg(double complex z);
12 float cargf(float complex z);
13 long double cargl(long double complex z);
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17 These functions shall compute the argument (also called phase angle) of
18 z, with a branch cut along the negative real axis.
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21 These functions shall return the value of the argument in the interval
22 [-pi, +pi].
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25 No errors are defined.
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27 The following sections are informative.
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30 None.
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33 None.
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36 None.
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39 None.
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42 cimag() , conj() , cproj() , the Base Definitions volume of
43 IEEE Std 1003.1-2001, <complex.h>
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46 Portions of this text are reprinted and reproduced in electronic form
47 from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
48 -- Portable Operating System Interface (POSIX), The Open Group Base
49 Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
50 Electrical and Electronics Engineers, Inc and The Open Group. In the
51 event of any discrepancy between this version and the original IEEE and
52 The Open Group Standard, the original IEEE and The Open Group Standard
53 is the referee document. The original Standard can be obtained online
54 at http://www.opengroup.org/unix/online.html .
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58IEEE/The Open Group 2003 CARG(P)