[libc-commits] [libc] [libc][math] Add missing functions from issignaling family to math.yaml (PR #199357)

[Skandan C Y via libc-commits]

https://github.com/skandanyal updated https://github.com/llvm/llvm-project/pull/199357

>From 8d7d3190ce4f3fe0d9939e92c1d08b936ac487dd Mon Sep 17 00:00:00 2001
From: skandanyal <165555723+skandanyal at users.noreply.github.com>
Date: Sat, 23 May 2026 20:23:27 +0530
Subject: [PATCH 1/2] [libc][math] Add missing functions from issignaling
 family to math.yaml

---
 libc/include/math.yaml | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/libc/include/math.yaml b/libc/include/math.yaml
index 36ff380a1b305..10c195058f051 100644
--- a/libc/include/math.yaml
+++ b/libc/include/math.yaml
@@ -2888,3 +2888,42 @@ functions:
       - type: long double
       - type: int
       - type: unsigned int
+  - name: issignaling
+    standards:
+      - stdc
+    return_type: double
+    arguments:
+      - type: int
+  - name: issignalingbf16
+    standards:
+      - stdc
+    return_type: _Float16
+    arguments:
+      - type: int
+    guard: LIBC_TYPES_HAS_FLOAT16
+  - name: issignalingf
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: float
+  - name: issignalingf16
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: _Float
+    guard: LIBC_TYPES_HAS_FLOAT16
+  - name: issignalingf128
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: float128
+    guard: LIBC_TYPES_HAS_FLOAT128
+  - name: issignalingl
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: long double
\ No newline at end of file

>From 5c59e1cab8c2928849102a5c9d594f1036f39196 Mon Sep 17 00:00:00 2001
From: "Skandan C.Y" <165555723+skandanyal at users.noreply.github.com>
Date: Sun, 24 May 2026 09:25:11 +0530
Subject: [PATCH 2/2] [libc][math] Implemented all suggested corrections in
 math.yaml

---
 libc/include/math.yaml | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/libc/include/math.yaml b/libc/include/math.yaml
index 10c195058f051..fd5b69f562101 100644
--- a/libc/include/math.yaml
+++ b/libc/include/math.yaml
@@ -2891,16 +2891,9 @@ functions:
   - name: issignaling
     standards:
       - stdc
-    return_type: double
-    arguments:
-      - type: int
-  - name: issignalingbf16
-    standards:
-      - stdc
-    return_type: _Float16
+    return_type: int
     arguments:
-      - type: int
-    guard: LIBC_TYPES_HAS_FLOAT16
+      - type: double
   - name: issignalingf
     standards:
       - stdc
@@ -2912,7 +2905,7 @@ functions:
       - stdc
     return_type: int
     arguments:
-      - type: _Float
+      - type: _Float16
     guard: LIBC_TYPES_HAS_FLOAT16
   - name: issignalingf128
     standards:
@@ -2926,4 +2919,4 @@ functions:
       - stdc
     return_type: int
     arguments:
-      - type: long double
\ No newline at end of file
+      - type: long double