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Merge "The nextafter functions use the wrong next representable value"

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Elliott Hughes 2014-09-18 15:51:45 +00:00 committed by Gerrit Code Review
commit 82e71085c2
1 changed files with 9 additions and 9 deletions

18
tests/math_test.cpp

@ -1032,13 +1032,13 @@ TEST(math, truncl) {
TEST(math, nextafter) {
ASSERT_DOUBLE_EQ(0.0, nextafter(0.0, 0.0));
ASSERT_DOUBLE_EQ(4.9406564584124654e-324, nextafter(0.0, 1.0));
ASSERT_DOUBLE_EQ(0.0, nextafter(0.0, -1.0));
ASSERT_DOUBLE_EQ(-4.9406564584124654e-324, nextafter(0.0, -1.0));
}
TEST(math, nextafterf) {
ASSERT_FLOAT_EQ(0.0f, nextafterf(0.0f, 0.0f));
ASSERT_FLOAT_EQ(1.4012985e-45f, nextafterf(0.0f, 1.0f));
ASSERT_FLOAT_EQ(0.0f, nextafterf(0.0f, -1.0f));
ASSERT_FLOAT_EQ(-1.4012985e-45f, nextafterf(0.0f, -1.0f));
}
TEST(math, nextafterl) {
@ -1047,19 +1047,19 @@ TEST(math, nextafterl) {
// sizeof(double) == sizeof(long double)
long double smallest_positive = ldexpl(1.0L, LDBL_MIN_EXP - LDBL_MANT_DIG);
ASSERT_DOUBLE_EQ(smallest_positive, nextafterl(0.0L, 1.0L));
ASSERT_DOUBLE_EQ(0.0L, nextafterl(0.0L, -1.0L));
ASSERT_DOUBLE_EQ(-smallest_positive, nextafterl(0.0L, -1.0L));
}
TEST(math, nexttoward) {
ASSERT_DOUBLE_EQ(0.0, nexttoward(0.0, 0.0L));
ASSERT_DOUBLE_EQ(4.9406564584124654e-324, nexttoward(0.0, 1.0L));
ASSERT_DOUBLE_EQ(0.0, nexttoward(0.0, -1.0L));
ASSERT_DOUBLE_EQ(-4.9406564584124654e-324, nexttoward(0.0, -1.0L));
}
TEST(math, nexttowardf) {
ASSERT_FLOAT_EQ(0.0f, nexttowardf(0.0f, 0.0L));
ASSERT_FLOAT_EQ(1.4012985e-45f, nexttowardf(0.0f, 1.0L));
ASSERT_FLOAT_EQ(0.0f, nexttowardf(0.0f, -1.0L));
ASSERT_FLOAT_EQ(-1.4012985e-45f, nexttowardf(0.0f, -1.0L));
}
TEST(math, nexttowardl) {
@ -1068,7 +1068,7 @@ TEST(math, nexttowardl) {
// sizeof(double) == sizeof(long double)
long double smallest_positive = ldexpl(1.0L, LDBL_MIN_EXP - LDBL_MANT_DIG);
ASSERT_DOUBLE_EQ(smallest_positive, nexttowardl(0.0L, 1.0L));
ASSERT_DOUBLE_EQ(0.0L, nexttowardl(0.0L, -1.0L));
ASSERT_DOUBLE_EQ(-smallest_positive, nexttowardl(0.0L, -1.0L));
}
TEST(math, copysign) {
@ -1095,19 +1095,19 @@ TEST(math, copysignl) {
TEST(math, significand) {
ASSERT_DOUBLE_EQ(0.0, significand(0.0));
ASSERT_DOUBLE_EQ(1.2, significand(1.2));
ASSERT_DOUBLE_EQ(1.5375, significand(12.3));
ASSERT_DOUBLE_EQ(1.53125, significand(12.25));
}
TEST(math, significandf) {
ASSERT_FLOAT_EQ(0.0f, significandf(0.0f));
ASSERT_FLOAT_EQ(1.2f, significandf(1.2f));
ASSERT_FLOAT_EQ(1.5375f, significandf(12.3f));
ASSERT_FLOAT_EQ(1.53125f, significandf(12.25f));
}
TEST(math, significandl) {
ASSERT_DOUBLE_EQ(0.0L, significandl(0.0L));
ASSERT_DOUBLE_EQ(1.2L, significandl(1.2L));
ASSERT_DOUBLE_EQ(1.5375L, significandl(12.3L));
ASSERT_DOUBLE_EQ(1.53125L, significandl(12.25L));
}
TEST(math, scalb) {