add entries

Author: hulxv

libc/config/linux/x86_64/entrypoints.txt

@@ -664,6 +664,7 @@ if(LIBC_TYPES_HAS_FLOAT16)
     libc.src.math.acoshf16
     libc.src.math.asinf16
     libc.src.math.asinhf16
+    libc.src.math.atanpif16
     libc.src.math.canonicalizef16
     libc.src.math.ceilf16
     libc.src.math.copysignf16

libc/include/math.yaml

@@ -113,6 +113,12 @@ functions:
     return_type: float
     arguments:
       - type: float
+  - name: atanpif16
+    standards:
+      - stdc
+    return_type: _Float16
+    arguments:
+      - type: _Float16
   - name: canonicalize
     standards:
       - stdc