268 changes: 267 additions & 1 deletion libc/test/src/math/fma_test.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,271 @@

#include "src/math/fma.h"

using LlvmLibcFmaTest = FmaTestTemplate<double>;
struct Inputs {
double a, b, c;
};

struct LlvmLibcFmaTest : public FmaTestTemplate<double> {
void test_more_values() {
constexpr int N = 236;
constexpr Inputs INPUTS[N] = {
{0x1p+0, 0x2p+0, 0x3p+0},
{0x1.4p+0, 0xcp-4, 0x1p-4},
{0x0p+0, 0x0p+0, 0x0p+0},
{0x1p+0, 0x0p+0, 0x0p+0},
{0x0p+0, 0x1p+0, 0x0p+0},
{0x1p+0, 0x1p+0, 0x1p+0},
{0x0p+0, 0x0p+0, 0x1p+0},
{0x0p+0, 0x0p+0, 0x2p+0},
{0x0p+0, 0x0p+0, 0xf.fffffp+124},
{0x0p+0, 0x0p+0, 0xf.ffffffffffff8p+1020},
{0x0p+0, 0x1p+0, 0x1p+0},
{0x1p+0, 0x0p+0, 0x1p+0},
{0x0p+0, 0x1p+0, 0x2p+0},
{0x1p+0, 0x0p+0, 0x2p+0},
{0x0p+0, 0x1p+0, 0xf.fffffp+124},
{0x0p+0, 0x1p+0, 0xf.ffffffffffff8p+1020},
{0x1p+0, 0x0p+0, 0xf.fffffp+124},
{0x1p+0, 0x0p+0, 0xf.ffffffffffff8p+1020},
{0x4p-128, 0x4p-128, 0x0p+0},
{0x4p-128, 0x4p-1024, 0x0p+0},
{0x4p-128, 0x8p-972, 0x0p+0},
{0x4p-1024, 0x4p-128, 0x0p+0},
{0x4p-1024, 0x4p-1024, 0x0p+0},
{0x4p-1024, 0x8p-972, 0x0p+0},
{0x8p-972, 0x4p-128, 0x0p+0},
{0x8p-972, 0x4p-1024, 0x0p+0},
{0x8p-972, 0x8p-972, 0x0p+0},
{0x4p-128, 0x4p-128, 0x0p+0},
{0x4p-128, 0x4p-1024, 0x0p+0},
{0x4p-128, 0x8p-972, 0x0p+0},
{0x4p-1024, 0x4p-128, 0x0p+0},
{0x4p-1024, 0x4p-1024, 0x0p+0},
{0x4p-1024, 0x8p-972, 0x0p+0},
{0x8p-972, 0x4p-128, 0x0p+0},
{0x8p-972, 0x4p-1024, 0x0p+0},
{0x8p-972, 0x8p-972, 0x0p+0},
{0x4p-128, 0x4p-128, 0x0p+0},
{0x4p-128, 0x4p-1024, 0x0p+0},
{0x4p-128, 0x8p-972, 0x0p+0},
{0x4p-1024, 0x4p-128, 0x0p+0},
{0x4p-1024, 0x4p-1024, 0x0p+0},
{0x4p-1024, 0x8p-972, 0x0p+0},
{0x8p-972, 0x4p-128, 0x0p+0},
{0x8p-972, 0x4p-1024, 0x0p+0},
{0x8p-972, 0x8p-972, 0x0p+0},
{0x4p-128, 0x4p-128, 0x0p+0},
{0x4p-128, 0x4p-1024, 0x0p+0},
{0x4p-128, 0x8p-972, 0x0p+0},
{0x4p-1024, 0x4p-128, 0x0p+0},
{0x4p-1024, 0x4p-1024, 0x0p+0},
{0x4p-1024, 0x8p-972, 0x0p+0},
{0x8p-972, 0x4p-128, 0x0p+0},
{0x8p-972, 0x4p-1024, 0x0p+0},
{0x8p-972, 0x8p-972, 0x0p+0},
{0x4p-128, 0x4p-128, 0x0p+0},
{0x4p-128, 0x4p-1024, 0x0p+0},
{0x4p-128, 0x8p-972, 0x0p+0},
{0x4p-1024, 0x4p-128, 0x0p+0},
{0x4p-1024, 0x4p-1024, 0x0p+0},
{0x4p-1024, 0x8p-972, 0x0p+0},
{0x8p-972, 0x4p-128, 0x0p+0},
{0x8p-972, 0x4p-1024, 0x0p+0},
{0x8p-972, 0x8p-972, 0x0p+0},
{0x4p-128, 0x4p-128, 0x0p+0},
{0x4p-128, 0x4p-1024, 0x0p+0},
{0x4p-128, 0x8p-972, 0x0p+0},
{0x4p-1024, 0x4p-128, 0x0p+0},
{0x4p-1024, 0x4p-1024, 0x0p+0},
{0x4p-1024, 0x8p-972, 0x0p+0},
{0x8p-972, 0x4p-128, 0x0p+0},
{0x8p-972, 0x4p-1024, 0x0p+0},
{0x8p-972, 0x8p-972, 0x0p+0},
{0x4p-128, 0x4p-128, 0x0p+0},
{0x4p-128, 0x4p-1024, 0x0p+0},
{0x4p-128, 0x8p-972, 0x0p+0},
{0x4p-1024, 0x4p-128, 0x0p+0},
{0x4p-1024, 0x4p-1024, 0x0p+0},
{0x4p-1024, 0x8p-972, 0x0p+0},
{0x8p-972, 0x4p-128, 0x0p+0},
{0x8p-972, 0x4p-1024, 0x0p+0},
{0x8p-972, 0x8p-972, 0x0p+0},
{0x4p-128, 0x4p-128, 0x0p+0},
{0x4p-128, 0x4p-1024, 0x0p+0},
{0x4p-128, 0x8p-972, 0x0p+0},
{0x4p-1024, 0x4p-128, 0x0p+0},
{0x4p-1024, 0x4p-1024, 0x0p+0},
{0x4p-1024, 0x8p-972, 0x0p+0},
{0x8p-972, 0x4p-128, 0x0p+0},
{0x8p-972, 0x4p-1024, 0x0p+0},
{0x8p-972, 0x8p-972, 0x0p+0},
{0xf.fffffp+124, 0xf.fffffp+124, 0x4p-128},
{0xf.fffffp+124, 0xf.fffffp+124, 0x4p-1024},
{0xf.fffffp+124, 0xf.fffffp+124, 0x8p-972},
{0xf.fffffp+124, 0xf.ffffffffffff8p+1020, 0x4p-128},
{0xf.fffffp+124, 0xf.ffffffffffff8p+1020, 0x4p-1024},
{0xf.fffffp+124, 0xf.ffffffffffff8p+1020, 0x8p-972},
{0xf.ffffffffffff8p+1020, 0xf.fffffp+124, 0x4p-128},
{0xf.ffffffffffff8p+1020, 0xf.fffffp+124, 0x4p-1024},
{0xf.ffffffffffff8p+1020, 0xf.fffffp+124, 0x8p-972},
{0xf.ffffffffffff8p+1020, 0xf.ffffffffffff8p+1020, 0x4p-128},
{0xf.ffffffffffff8p+1020, 0xf.ffffffffffff8p+1020, 0x4p-1024},
{0xf.ffffffffffff8p+1020, 0xf.ffffffffffff8p+1020, 0x8p-972},
{0xf.fffffp+124, 0xf.fffffp+124, 0x4p-128},
{0xf.fffffp+124, 0xf.fffffp+124, 0x4p-1024},
{0xf.fffffp+124, 0xf.fffffp+124, 0x8p-972},
{0xf.fffffp+124, 0xf.ffffffffffff8p+1020, 0x4p-128},
{0xf.fffffp+124, 0xf.ffffffffffff8p+1020, 0x4p-1024},
{0xf.fffffp+124, 0xf.ffffffffffff8p+1020, 0x8p-972},
{0xf.ffffffffffff8p+1020, 0xf.fffffp+124, 0x4p-128},
{0xf.ffffffffffff8p+1020, 0xf.fffffp+124, 0x4p-1024},
{0xf.ffffffffffff8p+1020, 0xf.fffffp+124, 0x8p-972},
{0xf.ffffffffffff8p+1020, 0xf.ffffffffffff8p+1020, 0x4p-128},
{0xf.ffffffffffff8p+1020, 0xf.ffffffffffff8p+1020, 0x4p-1024},
{0xf.ffffffffffff8p+1020, 0xf.ffffffffffff8p+1020, 0x8p-972},
{0xf.fffffp+124, 0xf.fffffp+124, 0x4p-128},
{0xf.fffffp+124, 0xf.fffffp+124, 0x4p-1024},
{0xf.fffffp+124, 0xf.fffffp+124, 0x8p-972},
{0xf.fffffp+124, 0xf.ffffffffffff8p+1020, 0x4p-128},
{0xf.fffffp+124, 0xf.ffffffffffff8p+1020, 0x4p-1024},
{0xf.fffffp+124, 0xf.ffffffffffff8p+1020, 0x8p-972},
{0xf.ffffffffffff8p+1020, 0xf.fffffp+124, 0x4p-128},
{0xf.ffffffffffff8p+1020, 0xf.fffffp+124, 0x4p-1024},
{0xf.ffffffffffff8p+1020, 0xf.fffffp+124, 0x8p-972},
{0xf.ffffffffffff8p+1020, 0xf.ffffffffffff8p+1020, 0x4p-128},
{0xf.ffffffffffff8p+1020, 0xf.ffffffffffff8p+1020, 0x4p-1024},
{0xf.ffffffffffff8p+1020, 0xf.ffffffffffff8p+1020, 0x8p-972},
{0xf.fffffp+124, 0xf.fffffp+124, 0x4p-128},
{0xf.fffffp+124, 0xf.fffffp+124, 0x4p-1024},
{0xf.fffffp+124, 0xf.fffffp+124, 0x8p-972},
{0xf.fffffp+124, 0xf.ffffffffffff8p+1020, 0x4p-128},
{0xf.fffffp+124, 0xf.ffffffffffff8p+1020, 0x4p-1024},
{0xf.fffffp+124, 0xf.ffffffffffff8p+1020, 0x8p-972},
{0xf.ffffffffffff8p+1020, 0xf.fffffp+124, 0x4p-128},
{0xf.ffffffffffff8p+1020, 0xf.fffffp+124, 0x4p-1024},
{0xf.ffffffffffff8p+1020, 0xf.fffffp+124, 0x8p-972},
{0xf.ffffffffffff8p+1020, 0xf.ffffffffffff8p+1020, 0x4p-128},
{0xf.ffffffffffff8p+1020, 0xf.ffffffffffff8p+1020, 0x4p-1024},
{0xf.ffffffffffff8p+1020, 0xf.ffffffffffff8p+1020, 0x8p-972},
{0xf.fffffp+124, 0xf.fffffp+124, 0x4p-128},
{0xf.fffffp+124, 0xf.fffffp+124, 0x4p-1024},
{0xf.fffffp+124, 0xf.fffffp+124, 0x8p-972},
{0xf.fffffp+124, 0xf.ffffffffffff8p+1020, 0x4p-128},
{0xf.fffffp+124, 0xf.ffffffffffff8p+1020, 0x4p-1024},
{0xf.fffffp+124, 0xf.ffffffffffff8p+1020, 0x8p-972},
{0xf.ffffffffffff8p+1020, 0xf.fffffp+124, 0x4p-128},
{0xf.ffffffffffff8p+1020, 0xf.fffffp+124, 0x4p-1024},
{0xf.ffffffffffff8p+1020, 0xf.fffffp+124, 0x8p-972},
{0xf.ffffffffffff8p+1020, 0xf.ffffffffffff8p+1020, 0x4p-128},
{0xf.ffffffffffff8p+1020, 0xf.ffffffffffff8p+1020, 0x4p-1024},
{0xf.ffffffffffff8p+1020, 0xf.ffffffffffff8p+1020, 0x8p-972},
{0xf.fffffp+124, 0xf.fffffp+124, 0x4p-128},
{0xf.fffffp+124, 0xf.fffffp+124, 0x4p-1024},
{0xf.fffffp+124, 0xf.fffffp+124, 0x8p-972},
{0xf.fffffp+124, 0xf.ffffffffffff8p+1020, 0x4p-128},
{0xf.fffffp+124, 0xf.ffffffffffff8p+1020, 0x4p-1024},
{0xf.fffffp+124, 0xf.ffffffffffff8p+1020, 0x8p-972},
{0xf.ffffffffffff8p+1020, 0xf.fffffp+124, 0x4p-128},
{0xf.ffffffffffff8p+1020, 0xf.fffffp+124, 0x4p-1024},
{0xf.ffffffffffff8p+1020, 0xf.fffffp+124, 0x8p-972},
{0xf.ffffffffffff8p+1020, 0xf.ffffffffffff8p+1020, 0x4p-128},
{0xf.ffffffffffff8p+1020, 0xf.ffffffffffff8p+1020, 0x4p-1024},
{0xf.ffffffffffff8p+1020, 0xf.ffffffffffff8p+1020, 0x8p-972},
{0xf.fffffp+124, 0xf.fffffp+124, 0x4p-128},
{0xf.fffffp+124, 0xf.fffffp+124, 0x4p-1024},
{0xf.fffffp+124, 0xf.fffffp+124, 0x8p-972},
{0xf.fffffp+124, 0xf.ffffffffffff8p+1020, 0x4p-128},
{0xf.fffffp+124, 0xf.ffffffffffff8p+1020, 0x4p-1024},
{0xf.fffffp+124, 0xf.ffffffffffff8p+1020, 0x8p-972},
{0xf.ffffffffffff8p+1020, 0xf.fffffp+124, 0x4p-128},
{0xf.ffffffffffff8p+1020, 0xf.fffffp+124, 0x4p-1024},
{0xf.ffffffffffff8p+1020, 0xf.fffffp+124, 0x8p-972},
{0xf.ffffffffffff8p+1020, 0xf.ffffffffffff8p+1020, 0x4p-128},
{0xf.ffffffffffff8p+1020, 0xf.ffffffffffff8p+1020, 0x4p-1024},
{0xf.ffffffffffff8p+1020, 0xf.ffffffffffff8p+1020, 0x8p-972},
{0xf.fffffp+124, 0xf.fffffp+124, 0x4p-128},
{0xf.fffffp+124, 0xf.fffffp+124, 0x4p-1024},
{0xf.fffffp+124, 0xf.fffffp+124, 0x8p-972},
{0xf.fffffp+124, 0xf.ffffffffffff8p+1020, 0x4p-128},
{0xf.fffffp+124, 0xf.ffffffffffff8p+1020, 0x4p-1024},
{0xf.fffffp+124, 0xf.ffffffffffff8p+1020, 0x8p-972},
{0xf.ffffffffffff8p+1020, 0xf.fffffp+124, 0x4p-128},
{0xf.ffffffffffff8p+1020, 0xf.fffffp+124, 0x4p-1024},
{0xf.ffffffffffff8p+1020, 0xf.fffffp+124, 0x8p-972},
{0xf.ffffffffffff8p+1020, 0xf.ffffffffffff8p+1020, 0x4p-128},
{0xf.ffffffffffff8p+1020, 0xf.ffffffffffff8p+1020, 0x4p-1024},
{0xf.ffffffffffff8p+1020, 0xf.ffffffffffff8p+1020, 0x8p-972},
{0x2.fffp+12, 0x1.000002p+0, 0x1.ffffp-24},
{0x1.fffp+0, 0x1.00001p+0, 0x1.fffp+0},
{0xc.d5e6fp+124, 0x2.6af378p-128, 0x1.f08948p+0},
{0x1.9abcdep+100, 0x2.6af378p-128, 0x3.e1129p-28},
{0xf.fffffp+124, 0x1.001p+0, 0xf.fffffp+124},
{0xf.fffffp+124, 0x1.fffffep+0, 0xf.fffffp+124},
{0xf.fffffp+124, 0x2p+0, 0xf.fffffp+124},
{0x5p-128, 0x8.00002p-4, 0x1p-128},
{0x7.ffffep-128, 0x8.00001p-4, 0x8p-152},
{0x8p-152, 0x8p-4, 0x3.fffff8p-128},
{0x8p-152, 0x8.8p-4, 0x3.fffff8p-128},
{0x8p-152, 0x8p-152, 0x8p+124},
{0x8p-152, 0x8p-152, 0x4p-128},
{0x8p-152, 0x8p-152, 0x3.fffff8p-128},
{0x8p-152, 0x8p-152, 0x8p-152},
{0xf.ffp-4, 0xf.ffp-4, 0xf.fep-4},
{0x4.000008p-128, 0x4.000008p-28, 0x8p+124},
{0x4.000008p-128, 0x4.000008p-28, 0x8p+100},
{0x2.fep+12, 0x1.0000000000001p+0, 0x1.ffep-48},
{0x1.fffp+0, 0x1.0000000000001p+0, 0x1.fffp+0},
{0x1.0000002p+0, 0xf.fffffep-4, 0x1p-300},
{0xe.f56df7797f768p+1020, 0x3.7ab6fbbcbfbb4p-1024,
0x3.40bf1803497f6p+0},
{0x1.deadbeef2feedp+900, 0x3.7ab6fbbcbfbb4p-1024,
0x6.817e300692fecp-124},
{0xf.ffffffffffff8p+1020, 0x1.001p+0, 0xf.ffffffffffff8p+1020},
{0xf.ffffffffffff8p+1020, 0x1.fffffffffffffp+0,
0xf.ffffffffffff8p+1020},
{0xf.ffffffffffff8p+1020, 0x2p+0, 0xf.ffffffffffff8p+1020},
{0x5.a827999fcef3p-540, 0x5.a827999fcef3p-540, 0x0p+0},
{0x3.bd5b7dde5fddap-496, 0x3.bd5b7dde5fddap-496, 0xd.fc352bc352bap-992},
{0x3.bd5b7dde5fddap-504, 0x3.bd5b7dde5fddap-504,
0xd.fc352bc352bap-1008},
{0x8p-540, 0x4p-540, 0x4p-1076},
{0x1.7fffff8p-968, 0x4p-108, 0x4p-1048},
{0x2.8000008p-968, 0x4p-108, 0x4p-1048},
{0x2.8p-968, 0x4p-108, 0x4p-1048},
{0x2.33956cdae7c2ep-960, 0x3.8e211518bfea2p-108,
0x2.02c2b59766d9p-1024},
{0x3.a5d5dadd1d3a6p-980, 0x2.9c0cd8c5593bap-64, 0x2.49179ac00d15p-1024},
{0x2.2a7aca1773e0cp-908, 0x9.6809186a42038p-128, 0x2.c9e356b3f0fp-1024},
{0x3.ffffffffffffep-712, 0x3.ffffffffffffep-276,
0x3.fffffc0000ffep-984},
{0x5p-1024, 0x8.000000000001p-4, 0x1p-1024},
{0x7.ffffffffffffp-1024, 0x8.0000000000008p-4, 0x4p-1076},
{0x4p-1076, 0x8p-4, 0x3.ffffffffffffcp-1024},
{0x4p-1076, 0x8.8p-4, 0x3.ffffffffffffcp-1024},
{0x4p-1076, 0x4p-1076, 0x8p+1020},
{0x4p-1076, 0x4p-1076, 0x4p-1024},
{0x4p-1076, 0x4p-1076, 0x3.ffffffffffffcp-1024},
{0x4p-1076, 0x4p-1076, 0x4p-1076},
{0xf.ffffffffffff8p-4, 0xf.ffffffffffff8p-4, 0xf.ffffffffffffp-4},
{0x4.0000000000004p-1024, 0x2.0000000000002p-56, 0x8p+1020},
{0x4.0000000000004p-1024, 0x2.0000000000002p-56, 0x4p+968},
{0x7.fffff8p-128, 0x3.fffffcp+24, 0xf.fffffp+124},
{0x7.ffffffffffffcp-1024, 0x7.ffffffffffffcp+52,
0xf.ffffffffffff8p+1020},
};

for (int i = 0; i < N; ++i) {
for (int signs = 0; signs < 7; ++signs) {
double a = (signs & 4) ? -INPUTS[i].a : INPUTS[i].a;
double b = (signs & 2) ? -INPUTS[i].b : INPUTS[i].b;
double c = (signs & 1) ? -INPUTS[i].c : INPUTS[i].c;
mpfr::TernaryInput<double> input{a, b, c};
ASSERT_MPFR_MATCH_ALL_ROUNDING(mpfr::Operation::Fma, input,
__llvm_libc::fma(a, b, c), 0.5);
}
}
}
};

TEST_F(LlvmLibcFmaTest, SpecialNumbers) {
test_special_numbers(&__llvm_libc::fma);
Expand All @@ -21,3 +285,5 @@ TEST_F(LlvmLibcFmaTest, SubnormalRange) {
}

TEST_F(LlvmLibcFmaTest, NormalRange) { test_normal_range(&__llvm_libc::fma); }

TEST_F(LlvmLibcFmaTest, ExtraValues) { test_more_values(); }
8 changes: 4 additions & 4 deletions libc/test/src/math/fmaf_test.cpp
View file
Original file line number Diff line number Diff line change
Expand Up @@ -10,14 +10,14 @@

#include "src/math/fmaf.h"

using LlvmLibcFmaTest = FmaTestTemplate<float>;
using LlvmLibcFmafTest = FmaTestTemplate<float>;

TEST_F(LlvmLibcFmaTest, SpecialNumbers) {
TEST_F(LlvmLibcFmafTest, SpecialNumbers) {
test_special_numbers(&__llvm_libc::fmaf);
}

TEST_F(LlvmLibcFmaTest, SubnormalRange) {
TEST_F(LlvmLibcFmafTest, SubnormalRange) {
test_subnormal_range(&__llvm_libc::fmaf);
}

TEST_F(LlvmLibcFmaTest, NormalRange) { test_normal_range(&__llvm_libc::fmaf); }
TEST_F(LlvmLibcFmafTest, NormalRange) { test_normal_range(&__llvm_libc::fmaf); }