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// RUN: %clang_builtins %s %librt -o %t && %run %t
// REQUIRES: librt_has_divtf3
//===--------------- divtf3_test.c - Test __divtf3 ------------------------===//
//
// 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 __divtf3 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include "int_lib.h"
#include <stdio.h>
#if __LDBL_MANT_DIG__ == 113
#include "fp_test.h"
// Returns: a / b
COMPILER_RT_ABI long double __divtf3(long double a, long double b);
int test__divtf3(long double a, long double b,
uint64_t expectedHi, uint64_t expectedLo)
{
long double x = __divtf3(a, b);
int ret = compareResultLD(x, expectedHi, expectedLo);
if (ret){
printf("error in test__divtf3(%.20Le, %.20Le) = %.20Le, "
"expected %.20Le\n", a, b, x,
fromRep128(expectedHi, expectedLo));
}
return ret;
}
char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
#endif
int main()
{
#if __LDBL_MANT_DIG__ == 113
// qNaN / any = qNaN
if (test__divtf3(makeQNaN128(),
0x1.23456789abcdefp+5L,
UINT64_C(0x7fff800000000000),
UINT64_C(0x0)))
return 1;
// NaN / any = NaN
if (test__divtf3(makeNaN128(UINT64_C(0x800030000000)),
0x1.23456789abcdefp+5L,
UINT64_C(0x7fff800000000000),
UINT64_C(0x0)))
return 1;
// inf / any = inf
if (test__divtf3(makeInf128(),
0x1.23456789abcdefp+5L,
UINT64_C(0x7fff000000000000),
UINT64_C(0x0)))
return 1;
// any / any
if (test__divtf3(0x1.a23b45362464523375893ab4cdefp+5L,
0x1.eedcbaba3a94546558237654321fp-1L,
UINT64_C(0x4004b0b72924d407),
UINT64_C(0x0717e84356c6eba2)))
return 1;
if (test__divtf3(0x1.a2b34c56d745382f9abf2c3dfeffp-50L,
0x1.ed2c3ba15935332532287654321fp-9L,
UINT64_C(0x3fd5b2af3f828c9b),
UINT64_C(0x40e51f64cde8b1f2)))
return 15;
if (test__divtf3(0x1.2345f6aaaa786555f42432abcdefp+456L,
0x1.edacbba9874f765463544dd3621fp+6400L,
UINT64_C(0x28c62e15dc464466),
UINT64_C(0xb5a07586348557ac)))
return 1;
if (test__divtf3(0x1.2d3456f789ba6322bc665544edefp-234L,
0x1.eddcdba39f3c8b7a36564354321fp-4455L,
UINT64_C(0x507b38442b539266),
UINT64_C(0x22ce0f1d024e1252)))
return 1;
if (test__divtf3(0x1.2345f6b77b7a8953365433abcdefp+234L,
0x1.edcba987d6bb3aa467754354321fp-4055L,
UINT64_C(0x50bf2e02f0798d36),
UINT64_C(0x5e6fcb6b60044078)))
return 1;
if (test__divtf3(6.72420628622418701252535563464350521E-4932L,
2.L,
UINT64_C(0x0001000000000000),
UINT64_C(0)))
return 1;
#else
printf("skipped\n");
#endif
return 0;
}
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