[libre-riscv-dev] [Bug 208] implement CORDIC in a general way sufficient to do transcendentals

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=208

--- Comment #44 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
found it.  the code was doing exactly as you'd asked: walking through
self.x and self.y by iteration.

"yield from" will treat the object *as* an iterator, returning calls
to object.__iter__() and returning those objects in sequence, as
*MULTIPLE* results.

"yield" will return the OBJECT - once and only once as *THE* (one and
only) result.

if the Signal did not have an __iter__ function, you would have got an
error.


diff --git a/src/ieee754/cordic/pipe_data.py b/src/ieee754/cordic/pipe_data.py
index c3f600a..d83dbe7 100644
--- a/src/ieee754/cordic/pipe_data.py
+++ b/src/ieee754/cordic/pipe_data.py
@@ -28,8 +28,8 @@ class CordicOutputData:
         self.muxid = self.ctx.muxid

     def __iter__(self):
-        yield from self.x
-        yield from self.y
+        yield self.x
+        yield self.y
         yield from self.ctx

     def eq(self, i):

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