1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
//===-- Unittests for floorl ----------------------------------------------===//
//
// 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 "include/math.h"
#include "src/math/floorl.h"
#include "utils/FPUtil/FPBits.h"
#include "utils/FPUtil/TestHelpers.h"
#include "utils/MPFRWrapper/MPFRUtils.h"
#include "utils/UnitTest/Test.h"
using FPBits = __llvm_libc::fputil::FPBits<long double>;
DECLARE_SPECIAL_CONSTANTS(long double)
namespace mpfr = __llvm_libc::testing::mpfr;
TEST(FloorlTest, SpecialNumbers) {
EXPECT_FP_EQ(zero, __llvm_libc::floorl(zero));
EXPECT_FP_EQ(negZero, __llvm_libc::floorl(negZero));
EXPECT_FP_EQ(inf, __llvm_libc::floorl(inf));
EXPECT_FP_EQ(negInf, __llvm_libc::floorl(negInf));
ASSERT_NE(isnan(nan), 0);
ASSERT_NE(isnan(__llvm_libc::floorl(nan)), 0);
}
TEST(FloorlTest, RoundedNumbers) {
EXPECT_FP_EQ(1.0l, __llvm_libc::floorl(1.0l));
EXPECT_FP_EQ(-1.0l, __llvm_libc::floorl(-1.0l));
EXPECT_FP_EQ(10.0l, __llvm_libc::floorl(10.0l));
EXPECT_FP_EQ(-10.0l, __llvm_libc::floorl(-10.0l));
EXPECT_FP_EQ(1234.0l, __llvm_libc::floorl(1234.0l));
EXPECT_FP_EQ(-1234.0l, __llvm_libc::floorl(-1234.0l));
}
TEST(FloorlTest, Fractions) {
EXPECT_FP_EQ(0.0l, __llvm_libc::floorl(0.5l));
EXPECT_FP_EQ(-1.0l, __llvm_libc::floorl(-0.5l));
EXPECT_FP_EQ(0.0l, __llvm_libc::floorl(0.115l));
EXPECT_FP_EQ(-1.0l, __llvm_libc::floorl(-0.115l));
EXPECT_FP_EQ(0.0l, __llvm_libc::floorl(0.715l));
EXPECT_FP_EQ(-1.0l, __llvm_libc::floorl(-0.715l));
EXPECT_FP_EQ(1.0l, __llvm_libc::floorl(1.3l));
EXPECT_FP_EQ(-2.0l, __llvm_libc::floorl(-1.3l));
EXPECT_FP_EQ(1.0l, __llvm_libc::floorl(1.5l));
EXPECT_FP_EQ(-2.0l, __llvm_libc::floorl(-1.5l));
EXPECT_FP_EQ(1.0l, __llvm_libc::floorl(1.75l));
EXPECT_FP_EQ(-2.0l, __llvm_libc::floorl(-1.75l));
EXPECT_FP_EQ(10.0l, __llvm_libc::floorl(10.32l));
EXPECT_FP_EQ(-11.0l, __llvm_libc::floorl(-10.32l));
EXPECT_FP_EQ(10.0l, __llvm_libc::floorl(10.65l));
EXPECT_FP_EQ(-11.0l, __llvm_libc::floorl(-10.65l));
EXPECT_FP_EQ(1234.0l, __llvm_libc::floorl(1234.38l));
EXPECT_FP_EQ(-1235.0l, __llvm_libc::floorl(-1234.38l));
EXPECT_FP_EQ(1234.0l, __llvm_libc::floorl(1234.96l));
EXPECT_FP_EQ(-1235.0l, __llvm_libc::floorl(-1234.96l));
}
TEST(FloorlTest, InLongDoubleRange) {
using UIntType = FPBits::UIntType;
constexpr UIntType count = 10000000;
constexpr UIntType step = UIntType(-1) / count;
for (UIntType i = 0, v = 0; i <= count; ++i, v += step) {
long double x = FPBits(v);
if (isnan(x) || isinf(x))
continue;
ASSERT_MPFR_MATCH(mpfr::Operation::Floor, x, __llvm_libc::floorl(x), 0.0);
}
}
|
