.\" Copyright (c) 2012 Apple Inc. .\" All rights reserved. .Dd December 15, 2012 .Dt __SINCOSPI 3 .Os .Sh NAME .Nm __sincospi .Nd sine-pi and cosine-pi function .Sh SYNOPSIS .Fd #include .Ft void .Fn __sincospif "float x" "float *sinp" "float *cosp" .Ft void .Fn __sincospi "double x" "double *sinp" "double *cosp" .Sh DESCRIPTION The .Fn __sincospi function computes the sine and cosine of pi times .Fa x (measured in radians) and stores the sine in the memory pointed to by .Fa sinp and the cosine in the memory pointed to by .Fa cosp . .Sh SPECIAL VALUES .Fn __sincospi produces the same results as separate calls to .Fn __sinpi and .Fn __cospi . .Sh SEE ALSO .Xr __cospi 3 , .Xr __sinpi 3 , .Xr __tanpi 3 , .Xr math 3