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- moved real_array_t to fixed_util_pkg

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git-svn-id: http://moon:8086/svn/vhdl/trunk@181 cc03376c-175c-47c8-b038-4cd826a8556b
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jens
2009-01-02 16:07:16 +00:00
parent e8ddaf8d98
commit 55a702d6bd
1 changed files with 2 additions and 4 deletions
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lib/radio/cordic/src/cordic_pkg.vhd
+2 -4
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@@ -26,12 +26,10 @@ package cordic_pkg is
constant max_iteration : integer := 80; constant max_iteration : integer := 80;
type real_tbl_t is array (natural range <>) of real;
-- Normalized Arctan table (for phases z = -1..+1) -- Normalized Arctan table (for phases z = -1..+1)
-- MatLab command: arctan_tbl = (atan(2.^-(0:N-1))/pi)' -- MatLab command: arctan_tbl = (atan(2.^-(0:N-1))/pi)'
-- (Print format: long e, compact) -- (Print format: long e, compact)
constant arctan_tbl : real_tbl_t (0 to max_iteration-1) := constant arctan_tbl : real_array_t (0 to max_iteration-1) :=
( (
2.500000000000000e-001, 2.500000000000000e-001,
1.475836176504333e-001, 1.475836176504333e-001,
@@ -118,7 +116,7 @@ package cordic_pkg is
-- Gain correction table -- Gain correction table
-- MatLab command: gain_tbl = (1./cumprod(sqrt(1+2.^-(2*(0:N-1)))))' -- MatLab command: gain_tbl = (1./cumprod(sqrt(1+2.^-(2*(0:N-1)))))'
-- (Print format: long e, compact) -- (Print format: long e, compact)
constant gain_tbl : real_tbl_t (0 to max_iteration-1) := constant gain_tbl : real_array_t (0 to max_iteration-1) :=
( (
7.071067811865475e-001, 7.071067811865475e-001,
6.324555320336759e-001, 6.324555320336759e-001,