[libc-commits] [libc] [llvm] [libc][math] Add float-only implementation for sinf / cosf. (PR #161680)

[via libc-commits]

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@@ -18,6 +17,26 @@
 #include "src/__support/macros/optimization.h"            // LIBC_UNLIKELY
 #include "src/__support/macros/properties/cpu_features.h" // LIBC_TARGET_CPU_HAS_FMA
 
+#if defined(LIBC_MATH_HAS_SKIP_ACCURATE_PASS) &&                               \
+    defined(LIBC_MATH_HAS_INTERMEDIATE_COMP_IN_FLOAT) &&                       \
+    defined(LIBC_TARGET_CPU_HAS_FMA_FLOAT)
+
+#include "sincosf_float_eval.h"
+
+namespace LIBC_NAMESPACE_DECL {
+namespace math {
+
+LIBC_INLINE static constexpr float cosf(float x) {
+  return sincosf_float_eval::sincosf_eval</*IS_SIN*/ false>(x);
+}
+
+} // namespace math
+} // namespace LIBC_NAMESPACE_DECL
+
+#else // !LIBC_MATH_COSF_FLOAT_ONLY
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lntue wrote:

Done.

https://github.com/llvm/llvm-project/pull/161680