gcc/testsuite/gcc.dg/dfp/compare-rel.h

   1 /* Basic test of runtime relational comparisons using simple values that
   2    are not affected by rounding.  */
   3
   4 #include <stdlib.h>
   5 #include "dfp-dbg.h"
   6
   7 #undef FAILURE
   8 #ifdef DBG
   9 #define FAILURE(OP,KIND) \
  10   { printf ("failed at line %d: %s for %s values\n", __LINE__, OP, KIND); \
  11     failures++; }
  12 #else
  13 #define FAILURE(OP,KIND) __builtin_abort ();
  14 #endif
  15
  16 #define PASTE2(A,B) A ## B
  17 #define PASTE(A,B) PASTE2(A,B)
  18
  19 #ifndef WIDTH
  20 #error define WIDTH as decimal float size in bytes
  21 #endif
  22
  23 #if WIDTH == 32
  24 #define DTYPE _Decimal32
  25 #define SUFFIX DF
  26 #elif WIDTH == 64
  27 #define DTYPE _Decimal64
  28 #define SUFFIX DD
  29 #elif WIDTH == 128
  30 #define DTYPE _Decimal128
  31 #define SUFFIX DL
  32 #elif WIDTH == 0
  33 /* This is for testing the test using a type known to work.  */
  34 #define DTYPE double
  35 #define SUFFIX
  36 #else
  37 #error invalid width for decimal float type
  38 #endif
  39
  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);
  45
  46 void
  47 test_compares (void)
  48 {
  49   DTYPE x = one;
  50   DTYPE y = zero;
  51   DTYPE z = m_one;
  52
  53   /* Less than or equal to: comparisons against equal values.  */
  54
  55   if (! (x <= one))   FAILURE ("<=", "equal")
  56   if (! (y <= zero))  FAILURE ("<=", "equal")
  57   if (! (z <= m_one)) FAILURE ("<=", "equal")
  58
  59   /* Less than or equal to: comparisons against lesser values.  */
  60
  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")
  65
  66   /* Less than or equal to: comparisons against greater values.  */
  67
  68   if (! (x <= two))   FAILURE ("<=", "greater")
  69   if (! (y <= one))   FAILURE ("<=", "greater")
  70   if (! (z <= zero))  FAILURE ("<=", "greater")
  71   if (! (z <= one))   FAILURE ("<=", "greater")
  72
  73   /* Less than: comparisons against equal values.  */
  74
  75   if (x < one)        FAILURE ("<", "equal")
  76   if (y < zero)       FAILURE ("<", "equal")
  77   if (z < m_one)      FAILURE ("<", "equal")
  78
  79   /* Less than: comparisons against lesser values.  */
  80
  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")
  85
  86   /* Less than: comparisons against greater values.  */
  87
  88   if (! (x < two))    FAILURE ("<", "greater")
  89   if (! (y < one))    FAILURE ("<", "greater")
  90   if (! (z < zero))   FAILURE ("<", "greater")
  91   if (! (z < one))    FAILURE ("<", "greater")
  92
  93   /* Greater than or equal to: comparisons against equal values.  */
  94
  95   if (! (x >= one))   FAILURE (">=", "equal")
  96   if (! (y >= zero))  FAILURE (">=", "equal")
  97   if (! (z >= m_one)) FAILURE (">=", "equal")
  98
  99   /* Greater than or equal to: comparisons against lesser values.  */
 100
 101   if (! (x >= m_one)) FAILURE (">=", "lesser")
 102   if (! (x >= zero))  FAILURE (">=", "lesser")
 103   if (! (y >= m_one)) FAILURE (">=", "lesser")
 104   if (! (z >= m_two)) FAILURE (">=", "lesser")
 105
 106   /* Greater than or equal to: comparisons against greater values.  */
 107
 108   if (x >= two)       FAILURE (">=", "greater")
 109   if (y >= one)       FAILURE (">=", "greater")
 110   if (z >= zero)      FAILURE (">=", "greater")
 111   if (z >= one)       FAILURE (">=", "greater")
 112
 113   /* Greater than: comparisons against equal values.  */
 114
 115   if (x > one)        FAILURE (">", "equal")
 116   if (y > zero)       FAILURE (">", "equal")
 117   if (z > m_one)      FAILURE (">", "equal")
 118
 119   /* Greater than: comparisons against lesser values.  */
 120
 121   if (! (x > m_one))  FAILURE (">", "lesser")
 122   if (! (x > zero))   FAILURE (">", "lesser")
 123   if (! (y > m_one))  FAILURE (">", "lesser")
 124   if (! (z > m_two))  FAILURE (">", "lesser")
 125
 126   /* Greater than: comparisons against greater values.  */
 127
 128   if (x > two)        FAILURE (">", "greater")
 129   if (y > one)        FAILURE (">", "greater")
 130   if (z > zero)       FAILURE (">", "greater")
 131   if (z > one)        FAILURE (">", "greater")
 132 }