From 15a192cde5b89b6487cb95a7eeef7fa3b127f867 Mon Sep 17 00:00:00 2001
From: Leandro Lacerda <leandrolcampos@yahoo.com.br>
Date: Fri, 22 Aug 2025 08:52:13 -0300
Subject: [PATCH] [libc] Enable double math functions on the GPU (#154857)

This patch adds the `acos` math function to the NVPTX build. It also
adds the `sincos` math function to the `math.h` header.
---
 libc/config/gpu/nvptx/entrypoints.txt |  1 +
 libc/include/math.yaml                | 24 ++++++++++++++++--------
 2 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/libc/config/gpu/nvptx/entrypoints.txt b/libc/config/gpu/nvptx/entrypoints.txt
index c9688284df16..c47b14d3e426 100644
--- a/libc/config/gpu/nvptx/entrypoints.txt
+++ b/libc/config/gpu/nvptx/entrypoints.txt
@@ -280,6 +280,7 @@ set(TARGET_LIBC_ENTRYPOINTS
 
 set(TARGET_LIBM_ENTRYPOINTS
     # math.h entrypoints
+    libc.src.math.acos
     libc.src.math.acosf
     libc.src.math.acoshf
     libc.src.math.asin
diff --git a/libc/include/math.yaml b/libc/include/math.yaml
index 4e398676bf91..60e6265eece7 100644
--- a/libc/include/math.yaml
+++ b/libc/include/math.yaml
@@ -2432,14 +2432,6 @@ functions:
     return_type: double
     arguments:
       - type: double
-  - name: sincosf
-    standards:
-      - gnu
-    return_type: void
-    arguments:
-      - type: float
-      - type: float *
-      - type: float *
   - name: sinf
     standards:
       - stdc
@@ -2453,6 +2445,22 @@ functions:
     arguments:
       - type: _Float16
     guard: LIBC_TYPES_HAS_FLOAT16
+  - name: sincos
+    standards:
+      - gnu
+    return_type: void
+    arguments:
+      - type: double
+      - type: double *
+      - type: double *
+  - name: sincosf
+    standards:
+      - gnu
+    return_type: void
+    arguments:
+      - type: float
+      - type: float *
+      - type: float *
   - name: sinhf
     standards:
       - stdc