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Diffstat (limited to 'manual/math.texi')
| -rw-r--r-- | manual/math.texi | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/manual/math.texi b/manual/math.texi index b818db2..7f03031 100644 --- a/manual/math.texi +++ b/manual/math.texi @@ -240,6 +240,19 @@ All these functions, including the @code{_Float@var{N}} and should be prepared to cope with their absence. @end deftypefun +@deftypefun double sinpi (double @var{x}) +@deftypefunx float sinpif (float @var{x}) +@deftypefunx {long double} sinpil (long double @var{x}) +@deftypefunx _FloatN sinpifN (_Float@var{N} @var{x}) +@deftypefunx _FloatNx sinpifNx (_Float@var{N}x @var{x}) +@standards{TS 18661-4:2015, math.h} +@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}} +These functions return the sine of pi multiplied by @var{x}. The +return value is in the range @code{-1} to @code{1}. + +The @code{sinpi} functions are from TS 18661-4:2015. +@end deftypefun + @deftypefun double cospi (double @var{x}) @deftypefunx float cospif (float @var{x}) @deftypefunx {long double} cospil (long double @var{x}) |