[libc-commits] [libc] [libc][math] Implement a fast pass for atan2f128 with 1ULP error using DyadicFloat<128>. (PR #133150)

via libc-commits libc-commits at lists.llvm.org
Mon Mar 31 07:27:16 PDT 2025


================
@@ -4163,6 +4166,23 @@ add_entrypoint_object(
     .atan2
 )
 
+add_entrypoint_object(
+  atan2f128
+  SRCS
+    atan2f128.cpp
+  HDRS
+    ../atan2f128.h
+  DEPENDS
+    .atan_utils
+    libc.src.__support.integer_literals
+    libc.src.__support.FPUtil.dyadic_float
+    libc.src.__support.FPUtil.fp_bits
+    libc.src.__support.FPUtil.multiply_add
+    libc.src.__support.FPUtil.nearest_integer
+    libc.src.__support.macros.optimization
+    libc.src.__support.macros.properties.types
----------------
overmighty wrote:

Missing `libc.src.__support.uint128`.

```suggestion
    .atan_utils
    libc.src.__support.FPUtil.dyadic_float
    libc.src.__support.FPUtil.fp_bits
    libc.src.__support.FPUtil.multiply_add
    libc.src.__support.FPUtil.nearest_integer
    libc.src.__support.integer_literals
    libc.src.__support.macros.optimization
    libc.src.__support.macros.properties.types
    libc.src.__support.uint128
```

https://github.com/llvm/llvm-project/pull/133150


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