1 #include <math.h>
2
3 #include <minitest/minitest.h>
4
TEST(math,sizeof_long_double)5 TEST(math, sizeof_long_double) {
6 #ifdef __ANDROID__
7 # ifdef __LP64__
8 EXPECT_EQ(16U, sizeof(long double));
9 # else
10 EXPECT_EQ(8U, sizeof(long double));
11 # endif
12 #endif
13 }
14
TEST(math,nexttoward)15 TEST(math, nexttoward) {
16 double x = 2.0;
17 EXPECT_EQ(x, nexttoward(x, (long double)x));
18 EXPECT_GT(x, nexttoward(x, (long double)(x * 2.)));
19 EXPECT_LT(x, nexttoward(x, (long double)(x - 1.0)));
20 }
21
TEST(math,nexttowardf)22 TEST(math, nexttowardf) {
23 float x = 2.0;
24 EXPECT_EQ(x, nexttowardf(x, (long double)x));
25 EXPECT_GT(x, nexttowardf(x, (long double)(x * 2.)));
26 EXPECT_LT(x, nexttowardf(x, (long double)(x - 1.0)));
27 }
28
TEST(math,nexttowardl)29 TEST(math, nexttowardl) {
30 long double x = 2.0;
31 EXPECT_EQ(x, nexttowardl(x, x));
32 EXPECT_GT(x, nexttowardl(x, x * 2.));
33 EXPECT_LT(x, nexttowardl(x, x - 1.0));
34 }
35
36 // These functions are not exported on x86 before API level 18!
TEST(math,scalbln)37 TEST(math, scalbln) {
38 EXPECT_EQ(16., scalbln(2.0, (long int)3));
39 }
40
TEST(math,scalblnf)41 TEST(math, scalblnf) {
42 EXPECT_EQ((float)16., scalblnf((float)2.0, (long int)3));
43 }
44
TEST(math,scalblnl)45 TEST(math, scalblnl) {
46 EXPECT_EQ((long double)16., scalblnl((long double)2.0, (long int)3));
47 }
48