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  11 .TH carg 3M "12 Jul 2006" "SunOS 5.11" "Mathematical Library Functions"
  12 .SH NAME
  13 carg, cargf, cargl \- complex argument functions
  14 .SH SYNOPSIS
  15 .LP
  16 .nf
  17 c99 [ \fIflag\fR... ] \fIfile\fR... \fB-lm\fR [ \fIlibrary\fR... ]
  18 #include <complex.h>
  19 
  20 \fBdouble\fR \fBcarg\fR(\fBdouble complex\fR \fIz\fR);
  21 .fi
  22 
  23 .LP
  24 .nf
  25 \fBfloat\fR \fBcargf\fR(\fBfloat complex\fR \fIz\fR);
  26 .fi
  27 
  28 .LP
  29 .nf
  30 \fBlong double\fR \fBcargl\fR(\fBlong double complex\fR \fIz\fR);
  31 .fi
  32 
  33 .SH DESCRIPTION
  34 .sp
  35 .LP
  36 These functions compute the argument (also called phase angle) of \fIz\fR, with
  37 a branch cut along the negative real axis.
  38 .SH RETURN VALUES
  39 .sp
  40 .LP
  41 These functions return the value of the argument in the interval [ \(mi\c
  42 .if n pi\c
  43 .if t \(*p
  44 \c
  45 , +\c
  46 .if n pi\c
  47 .if t \(*p
  48 \c
  49  ].
  50 .SH ERRORS
  51 .sp
  52 .LP
  53 No errors are defined.
  54 .SH ATTRIBUTES
  55 .sp
  56 .LP
  57 See \fBattributes\fR(5) for descriptions of the following attributes:
  58 .sp
  59 
  60 .sp
  61 .TS
  62 tab() box;
  63 cw(2.75i) |cw(2.75i) 
  64 lw(2.75i) |lw(2.75i) 
  65 .
  66 ATTRIBUTE TYPEATTRIBUTE VALUE
  67 _
  68 Interface StabilityStandard
  69 _
  70 MT-LevelMT-Safe
  71 .TE
  72 
  73 .SH SEE ALSO
  74 .sp
  75 .LP
  76 \fBcimag\fR(3M), \fBcomplex.h\fR(3HEAD), \fBconj\fR(3M), \fBcproj\fR(3M),
  77 \fBattributes\fR(5), \fBstandards\fR(5)