root
49 lines
876 B
Go
49 lines
876 B
Go
package fixed
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// Generated with arbitrary-precision arithmetic; atan(2^-i) in Q2.62.
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var atanTable = [...]int64{
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3622009729038561421,
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2138197195906305896,
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1129764675555192497,
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573486189672913777,
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287855953345232184,
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144068303048368714,
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72051730834756821,
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36028064038054492,
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18014306884351854,
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9007187801521083,
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4503598195715549,
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2251799634728302,
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1125899884473003,
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562949950625109,
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281474976361130,
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140737488311637,
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70368744172202,
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35184372088149,
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17592186044330,
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8796093022197,
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4398046511102,
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2199023255551,
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1099511627775,
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549755813887,
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274877906943,
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137438953471,
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68719476735,
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34359738367,
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17179869183,
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8589934591,
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4294967295,
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2147483647,
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1073741823,
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536870911,
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268435455,
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134217727,
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67108863,
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33554431,
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16777215,
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8388607,
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}
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// cordicInvK is 1/K (the CORDIC gain compensation) in Q2.62.
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const cordicInvK int64 = 2800459870029452953
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