man-pages/man3/sincos.3

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.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
.\" Distributed under GPL, 2002-07-27 Walter Harms
.\"
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.TH SINCOS 3 2004-10-05 "GNU" "Linux Programmer's Manual"
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.SH NAME
sincos, sincosf, sincosl \- calculate sin and cos simultaneously
.SH SYNOPSIS
.nf
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.B #define _GNU_SOURCE
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.B #include <math.h>
.sp
.BI "void sincos(double " x ", double *" sin ", double *" cos );
.br
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.BI "void sincosf(float " x ", float *" sin ", float *" cos );
.br
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.BI "void sincosl(long double " x ", long double *" sin ", long double *" cos );
.fi
.sp
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Link with \fI\-lm\fP.
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.SH DESCRIPTION
Several applications need sine and cosine of the same angle
.IR x .
This function computes both at the same time, and stores the results
via the given pointers.
.SH "CONFORMING TO"
This function is a GNU extension.
.SH "SEE ALSO"
.BR cos (3),
.BR sin (3),
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.BR tan (3),
.BR feature_test_macros (7)