Table C for reciprocal computation reduced to made DSP48 structure same as for sine.

Signed-off-by: Pavel Pisa <ppisa@pikron.com>

diff --git a/hw/lx-fncapprox/lx_fncapprox.vhd b/hw/lx-fncapprox/lx_fncapprox.vhd
index a5653b3b6ea346970292eac5aafa7f22379ed1a1..07793a759639abf91d709d562832f099d33889c0 100644 (file)
--- a/hw/lx-fncapprox/lx_fncapprox.vhd
+++ b/hw/lx-fncapprox/lx_fncapprox.vhd
@@ -44,7 +44,7 @@ architecture Behavioral of lx_fncapprox is
        constant approx_frac_bits   : natural := 18;
 
        constant reci_tab_b_shift   : natural := 9;
-       constant reci_tab_c_shift   : natural := 26;
+       constant reci_tab_c_shift   : natural := 25;
 
        signal ce_s                 : std_logic;
 

diff --git a/hw/lx-fncapprox/reci_tab_bc.lut b/hw/lx-fncapprox/reci_tab_bc.lut
index d74a2ef8268e0f7ce2503d2d62ba4e15249b614c..3d3488c0849fcc09f22cf8808f32ec76ac5887c9 100644 (file)
--- a/hw/lx-fncapprox/reci_tab_bc.lut
+++ b/hw/lx-fncapprox/reci_tab_bc.lut
@@ -1,256 +1,256 @@
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