[libc-commits] [libc] [llvm] [libc][math][c23] Add rsqrtf() function (PR #159615)

via libc-commits libc-commits at lists.llvm.org
Wed Sep 24 11:53:54 PDT 2025


================
@@ -775,6 +759,36 @@ add_header_library(
     libc.src.__support.common
 )
 
+add_header_library(
+  rsqrtf16
+  HDRS
+    rsqrtf16.h
+  DEPENDS
+    libc.src.__support.FPUtil.cast
+    libc.src.__support.FPUtil.fenv_impl
+    libc.src.__support.FPUtil.fp_bits
+    libc.src.__support.FPUtil.multiply_add
+    libc.src.__support.FPUtil.polyeval
+    libc.src.__support.FPUtil.manipulation_functions
+    libc.src.__support.macros.optimization
+    libc.src.__support.macros.properties.types
+)
+
+add_header_library(
+  rsqrtf
+  HDRS
+    rsqrtf.h
+  DEPENDS
+    libc.src.__support.FPUtil.cast
+    libc.src.__support.FPUtil.fenv_impl
+    libc.src.__support.FPUtil.fp_bits
+    libc.src.__support.FPUtil.multiply_add
+    libc.src.__support.FPUtil.polyeval
+    libc.src.__support.FPUtil.manipulation_functions
+    libc.src.__support.macros.optimization
+    libc.src.__support.macros.properties.types
----------------
overmighty wrote:

```suggestion
    libc.hdr.errno_macros
    libc.hdr.fenv_macros
    libc.src.__support.FPUtil.cast
    libc.src.__support.FPUtil.fenv_impl
    libc.src.__support.FPUtil.fp_bits
    libc.src.__support.macros.optimization
```

https://github.com/llvm/llvm-project/pull/159615


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