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## -*- texinfo -*-
## @deftypefn {} {} sind (@var{x})
## Compute the sine for each element of @var{x} in degrees.
##
## Returns zero for elements where @code{@var{x}/180} is an integer.
## @seealso{asind, sin}
## @end deftypefn

function y = sind (x)

  if (nargin != 1)
    print_usage ();
  endif

  I = x / 180;
  y = sin (I .* pi);
  y(I == fix (I) & isfinite (I)) = 0;

endfunction


%!assert (sind (10:10:90), sin (pi*[10:10:90]/180), -10*eps)
%!assert (sind ([0, 180, 360]) == 0)
%!assert (sind ([90, 270]) != 0)

%!error sind ()
%!error sind (1, 2)
