1 #include <math.h> 2 3 #include <minitest/minitest.h> 4 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 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 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 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! 37 TEST(math, scalbln) { 38 EXPECT_EQ(16., scalbln(2.0, (long int)3)); 39 } 40 41 TEST(math, scalblnf) { 42 EXPECT_EQ((float)16., scalblnf((float)2.0, (long int)3)); 43 } 44 45 TEST(math, scalblnl) { 46 EXPECT_EQ((long double)16., scalblnl((long double)2.0, (long int)3)); 47 } 48
