Default use round half to even, to have unbiased power values.

libraries/base/common/src/vhdl/common_requantize.vhd

@@ -59,7 +59,7 @@ ENTITY common_requantize IS
                                                   -- when 0 then no effect
     g_lsb_round           : BOOLEAN := TRUE;      -- when TRUE round else truncate the input LSbits
     g_lsb_round_clip      : BOOLEAN := FALSE;     -- when TRUE round clip to +max to avoid wrapping to output -min (signed) or 0 (unsigned) due to rounding
-    g_lsb_round_even      : BOOLEAN := FALSE;     -- when TRUE round to even, else round away from zero
+    g_lsb_round_even      : BOOLEAN := TRUE;     -- when TRUE round half to even, else round half away from zero
     g_msb_clip            : BOOLEAN := TRUE;      -- when TRUE CLIP else WRAP the input MSbits
     g_msb_clip_symmetric  : BOOLEAN := FALSE;     -- when TRUE clip signed symmetric to +c_smax and -c_smax, else to +c_smax and c_smin_symm
                                                   -- for wrapping when g_msb_clip=FALSE the g_msb_clip_symmetric is ignored, so signed wrapping is done asymmetric

libraries/base/dp/src/vhdl/dp_requantize.vhd

@@ -41,7 +41,7 @@ ENTITY dp_requantize IS
                                                   -- when 0 then no effect
     g_lsb_round           : BOOLEAN := TRUE;      -- when TRUE round else truncate the input LSbits
     g_lsb_round_clip      : BOOLEAN := FALSE;     -- when TRUE round clip to +max to avoid wrapping to output -min (signed) or 0 (unsigned) due to rounding
-    g_lsb_round_even      : BOOLEAN := FALSE;     -- when TRUE round to even, else round away from zero
+    g_lsb_round_even      : BOOLEAN := TRUE;     -- when TRUE round half to even, else round half away from zero
     g_msb_clip            : BOOLEAN := TRUE;      -- when TRUE CLIP else WRAP the input MSbits
     g_msb_clip_symmetric  : BOOLEAN := FALSE;     -- when TRUE clip signed symmetric to +c_smax and -c_smax, else to +c_smax and c_smin_symm                       
                                                   -- for wrapping when g_msb_clip=FALSE the g_msb_clip_symmetric is ignored, so signed wrapping is done asymmetric