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authorlntue <35648136+lntue@users.noreply.github.com>2024-02-27 12:23:19 -0500
committerGitHub <noreply@github.com>2024-02-27 12:23:19 -0500
commitaa95aa69b96f51a3c19a24a0387ebc1fb7e6e52c (patch)
tree4e79cb931a0012beb279f3f8084ecabb0779ac55 /libc/src/math/generic/llogbf.cpp
parentb50bcc7ffb6ad6caa4c141a22915ab59f725b7ae (diff)
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[libc][math][c23] Add C23 math functions ilogbf128, logbf128, and llogb(f|l|f128). (#82144)
Diffstat (limited to 'libc/src/math/generic/llogbf.cpp')
-rw-r--r--libc/src/math/generic/llogbf.cpp17
1 files changed, 17 insertions, 0 deletions
diff --git a/libc/src/math/generic/llogbf.cpp b/libc/src/math/generic/llogbf.cpp
new file mode 100644
index 0000000..ca1c03d
--- /dev/null
+++ b/libc/src/math/generic/llogbf.cpp
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+//===-- Implementation of llogbf function ---------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/math/llogbf.h"
+#include "src/__support/FPUtil/ManipulationFunctions.h"
+#include "src/__support/common.h"
+
+namespace LIBC_NAMESPACE {
+
+LLVM_LIBC_FUNCTION(long, llogbf, (float x)) { return fputil::intlogb<long>(x); }
+
+} // namespace LIBC_NAMESPACE