[libc] Include double_t and float_t in math.h on baremetal

[petrhosek]

This matches other targets.

[llvmbot]

@llvm/pr-subscribers-libc

Author: Petr Hosek (petrhosek)

Changes

This matches other targets.

---

Full diff: https://github.com/llvm/llvm-project/pull/85028.diff

1 Files Affected:

• (modified) libc/config/baremetal/api.td (+4)

diff --git a/libc/config/baremetal/api.td b/libc/config/baremetal/api.td
index 80d0e0ba22ca51..e6746d0c5b4c7f 100644
--- a/libc/config/baremetal/api.td
+++ b/libc/config/baremetal/api.td
@@ -52,6 +52,10 @@ def IntTypesAPI : PublicAPI<"inttypes.h"> {
   let Types = ["imaxdiv_t"];
 }
 
+def MathAPI : PublicAPI<"math.h"> {
+  let Types = ["double_t", "float_t"];
+}
+
 def StdlibAPI : PublicAPI<"stdlib.h"> {
   let Types = [
     "div_t",

[nickdesaulniers]

What is a double_t? Never heard of that.

[petrhosek]

What is a double_t? Never heard of that.

See https://en.cppreference.com/w/c/numeric/math/float_t

[nickdesaulniers]

The types float_t and double_t are floating types at least as wide as float and double

:yikes: I wonder what haunted platform needed that!