Files
linguist/samples/Terra/sintable.t
2016-01-28 11:22:27 +07:00

17 lines
313 B
Perl

local N = 32
local tbl = terralib.new(float[N])
for i = 1,N do
tbl[i-1] = math.sin( 2 * math.pi * (i-1)/N)
end
local ctable = terralib.constant(tbl)
terra sintable(a : float) : float
var idx = int(a / (2 * math.pi) * N)
return ctable[idx]
end
sintable:disas()
print(sintable(0))
print(sintable(math.pi/4))