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authorJordan Rupprecht <rupprecht@google.com>2019-05-14 21:58:59 +0000
committerJordan Rupprecht <rupprecht@google.com>2019-05-14 21:58:59 +0000
commitb6bc976d7be8ee56d3be4b6dbd2f3ab0a4021c86 (patch)
treef5ed5db8cb5d237a073ea00c4d4cd63153a16a6c /test/builtins/Unit/divdf3_test.c
parent05342ccc9cff16425c0a831fddd510879544a0bf (diff)
parent098ca93185735ec3687106d0967a70fc99a85059 (diff)
downloadcompiler-rt-b6bc976d7be8ee56d3be4b6dbd2f3ab0a4021c86.tar.gz
Creating branches/google/stable and tags/google/stable/2019-05-14 from r360103google/stable
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/branches/google/stable@360714 91177308-0d34-0410-b5e6-96231b3b80d8
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diff --git a/test/builtins/Unit/divdf3_test.c b/test/builtins/Unit/divdf3_test.c
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+++ b/test/builtins/Unit/divdf3_test.c
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+// RUN: %clang_builtins %s %librt -o %t && %run %t
+//===--------------- divdf3_test.c - Test __divdf3 ------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file tests __divdf3 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "int_lib.h"
+#include <stdio.h>
+
+#include "fp_test.h"
+
+// Returns: a / b
+COMPILER_RT_ABI double __divdf3(double a, double b);
+
+int test__divdf3(double a, double b, uint64_t expected)
+{
+ double x = __divdf3(a, b);
+ int ret = compareResultD(x, expected);
+
+ if (ret){
+ printf("error in test__divdf3(%.20e, %.20e) = %.20e, "
+ "expected %.20e\n", a, b, x,
+ fromRep64(expected));
+ }
+ return ret;
+}
+
+int main()
+{
+ // 1/3
+ if (test__divdf3(1., 3., 0x3fd5555555555555ULL))
+ return 1;
+ // smallest normal result
+ if (test__divdf3(4.450147717014403e-308, 2., 0x10000000000000ULL))
+ return 1;
+
+ return 0;
+}