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authorJedidiah Barber <contact@jedbarber.id.au>2023-10-09 12:14:14 +1300
committerJedidiah Barber <contact@jedbarber.id.au>2023-10-09 12:14:14 +1300
commited02634895209b9a937297838c1ae04f072f9c79 (patch)
treeba06b13d2fbab9b4d7fa7ff2b32b1ec0acc4a232 /example
parentf654fd430eae581fb524bb16dc3e3eb0bfb10aef (diff)
Figured out and fixed up array aliasing issue
Diffstat (limited to 'example')
-rw-r--r--example/sine_block.adb5
1 files changed, 3 insertions, 2 deletions
diff --git a/example/sine_block.adb b/example/sine_block.adb
index b28b7cd..538d1d9 100644
--- a/example/sine_block.adb
+++ b/example/sine_block.adb
@@ -27,8 +27,9 @@ procedure Sine_Block is
Channels : constant Natural := 2;
Per_Buffer : constant Pstm.Frame_Amount := 1024;
- Sample_Array : aliased Pstm.Float_32_Array (1 .. Natural (Per_Buffer) * Channels) :=
- (others => 0.0);
+ -- Note how this array specifies the bounds in the initial value rather than the type.
+ -- This is important because otherwise the aliasing would cause subtype mismatch errors.
+ Sample_Array : aliased Pstm.Float_32_Array := (1 .. Natural (Per_Buffer) * Channels => 0.0);
Sample_Buffer : Pstm.Buffer := Pstm.Wrap (Sample_Array, Per_Buffer, Channels);
type Table_Index is mod 200;