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Handle more pow cases (#61)

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This commit is contained in:
Justine Tunney 2021-03-04 06:13:32 -08:00
parent 1a08594f95
commit 43b2475aaa
6 changed files with 45 additions and 21 deletions
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11
test/libc/tinymath/powl_test.c
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@ -39,7 +39,6 @@ void SetUp(void) {
TEST(powl, test) {
EXPECT_STREQ("27", gc(xdtoal(powl(3, 3))));
EXPECT_STREQ("-27", gc(xdtoal(powl(-3, 3))));
EXPECT_STREQ("-1", gc(xdtoal(powl(-1, 1.1))));
EXPECT_STREQ("1e+4932", gc(xdtoal(powl(10, 4932))));
EXPECT_STREQ("INFINITY", gc(xdtoal(powl(10, 4933))));
EXPECT_STREQ("0", gc(xdtoal(powl(10, -5000))));
@ -83,12 +82,15 @@ TEST(powl, test) {
EXPECT_STREQ("-INFINITY", gc(xdtoal(powl(-0., -(MAX(rando, 1) | 1)))));
EXPECT_STREQ("INFINITY", gc(xdtoal(powl(0, -(rando & -2)))));
EXPECT_STREQ("INFINITY", gc(xdtoal(powl(-0., -(rando & -2)))));
EXPECT_TRUE(isnan(powl(-3, 1. / MAX(rando, 2))));
EXPECT_TRUE(isnan(powl(-3, -(1. / MAX(rando, 2)))));
EXPECT_STREQ("-.3333333333333333", gc(xdtoal(powl(-3, -1))));
EXPECT_STREQ(".1111111111111111", gc(xdtoal(powl(-3, -2))));
}
TEST(pow, test) {
EXPECT_STREQ("27", gc(xdtoa(pow(3, 3))));
EXPECT_STREQ("-27", gc(xdtoa(pow(-3, 3))));
EXPECT_STREQ("-1", gc(xdtoa(pow(-1, 1.1))));
EXPECT_STREQ("1e+308", gc(xdtoa(pow(10, 308))));
EXPECT_STREQ("INFINITY", gc(xdtoa(pow(10, 309))));
EXPECT_STREQ("0", gc(xdtoa(pow(10, -5000))));
@ -132,12 +134,13 @@ TEST(pow, test) {
EXPECT_STREQ("-INFINITY", gc(xdtoa(pow(-0., -(MAX(rando, 1) | 1)))));
EXPECT_STREQ("INFINITY", gc(xdtoa(pow(0, -(rando & -2)))));
EXPECT_STREQ("INFINITY", gc(xdtoa(pow(-0., -(rando & -2)))));
EXPECT_STREQ("-.333333333333333", gc(xdtoa(pow(-3, -1))));
EXPECT_STREQ(".111111111111111", gc(xdtoa(pow(-3, -2))));
}
TEST(powf, test) {
EXPECT_STREQ("27", gc(xdtoaf(powf(3, 3))));
EXPECT_STREQ("-27", gc(xdtoaf(powf(-3, 3))));
EXPECT_STREQ("-1", gc(xdtoaf(powf(-1, 1.1))));
EXPECT_STREQ("1e+38", gc(xdtoaf(powf(10, 38))));
EXPECT_STREQ("INFINITY", gc(xdtoaf(powf(10, 39))));
EXPECT_STREQ("0", gc(xdtoaf(powf(10, -5000))));
@ -181,6 +184,8 @@ TEST(powf, test) {
EXPECT_STREQ("-INFINITY", gc(xdtoaf(powf(-0., -(MAX(rando, 1) | 1)))));
EXPECT_STREQ("INFINITY", gc(xdtoaf(powf(0, -(rando & -2)))));
EXPECT_STREQ("INFINITY", gc(xdtoaf(powf(-0., -(rando & -2)))));
EXPECT_STREQ("-.333333", gc(xdtoaf(powf(-3, -1))));
EXPECT_STREQ(".111111", gc(xdtoaf(powf(-3, -2))));
}
BENCH(powl, bench) {