1 /* Basic test of runtime equality comparisons using simple values that
2 are not affected by rounding. */
7 #define PASTE2(A,B) A ## B
8 #define PASTE(A,B) PASTE2(A,B)
12 #define FAILURE(OP,KIND) \
13 { printf ("failed at line %d: %s for %s values\n", __LINE__, OP, KIND); \
16 #define FAILURE(OP,KIND) __builtin_abort ();
20 #error define WIDTH as decimal float size in bytes
24 #define DTYPE _Decimal32
27 #define DTYPE _Decimal64
30 #define DTYPE _Decimal128
33 /* This is for testing the test using a type known to work. */
37 #error invalid width for decimal float type
40 DTYPE m_two = PASTE(-2.0, SUFFIX);
41 DTYPE m_one = PASTE(-1.0, SUFFIX);
42 DTYPE zero = PASTE(0.0, SUFFIX);
43 DTYPE one = PASTE(1.0, SUFFIX);
44 DTYPE two = PASTE(2.0, SUFFIX);
53 /* Equal to: comparisons against equal values. */
55 if (! (x == one)) FAILURE ("==", "equal")
56 if (! (y == zero)) FAILURE ("==", "equal")
57 if (! (z == m_one)) FAILURE ("==", "equal")
59 /* Equal to: comparisons against lesser values. */
61 if (x == m_one) FAILURE ("==", "lesser")
62 if (x == zero) FAILURE ("==", "lesser")
63 if (y == m_one) FAILURE ("==", "lesser")
64 if (z == m_two) FAILURE ("==", "lesser")
66 /* Equal to: comparisons against greater values. */
68 if (x == two) FAILURE ("==", "greater")
69 if (y == one) FAILURE ("==", "greater")
70 if (z == zero) FAILURE ("==", "greater")
71 if (z == one) FAILURE ("==", "greater")
73 /* Not equal to: comparisons against equal values. */
75 if (x != one) FAILURE ("!=", "equal")
76 if (y != zero) FAILURE ("!=", "equal")
77 if (z != m_one) FAILURE ("!=", "equal")
79 /* Not equal to: comparisons against lesser values. */
81 if (! (x != m_one)) FAILURE ("!=", "lesser")
82 if (! (x != zero)) FAILURE ("!=", "lesser")
83 if (! (y != m_one)) FAILURE ("!=", "lesser")
84 if (! (z != m_two)) FAILURE ("!=", "lesser")
86 /* Not equal to: comparisons against greater values. */
88 if (! (x != m_one)) FAILURE ("!=", "greater")
89 if (! (x != zero)) FAILURE ("!=", "greater")
90 if (! (y != m_one)) FAILURE ("!=", "greater")
91 if (! (z != m_two)) FAILURE ("!=", "greater")