[llvm] [APFloat] Add exp functions for single and double using exp/expf implementations from LLVM libc. (PR #190667)

[via llvm-commits]

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@@ -29,6 +29,13 @@
 #include <cstring>
 #include <limits.h>
 
+// Shared headers from LLVM libc
+// Make sure to add ${LLVM_SOURCE_DIR}/../libc to include directories.
+#define LIBC_NAMESPACE __llvm_libc_apfloat
+#define LIBC_MATH (LIBC_MATH_NO_ERRNO | LIBC_MATH_NO_EXCEPT)
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lntue wrote:

These are used inside the LLVM libc's implementation.  I'll add comments about their usage here.

https://github.com/llvm/llvm-project/pull/190667