gcc/testsuite/gcc.dg/dfp/convert-int.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-std=gnu99 -O0" } */
   3
   4 /* N1150 5.1 Conversion between decimal floating integer.
   5    C99 6.3.1.4(1a) New.  */
   6
   7 extern void abort (void);
   8
   9 _Decimal32 d32;
  10 _Decimal64 d64;
  11 _Decimal128 d128;
  12 unsigned int ui;
  13 unsigned long ul;
  14 unsigned long long ull;
  15 int si;
  16 long sl;
  17 long long sll;
  18 _Bool b;
  19
  20 void
  21 init_dfp_1 (void)
  22 {
  23   d32 = 456.789df;
  24   d64 = 23.456789dd;
  25   d128 = 1234.5678dl;
  26 }
  27 void
  28 init_dfp_2 (void)
  29 {
  30   d32 = 1.23df;
  31   d64 = -3.4dd;
  32   d128 = 0.00003dl;
  33 }
  34
  35 void
  36 init_dfp_3 (void)
  37 {
  38   d32 = 0.0DF;
  39   d64 = 0.0DD;
  40   d128 = 0.0DL;
  41 }
  42
  43 void
  44 init_unsigned_int (void)
  45 {
  46   ui = 987U;
  47   ul = 345678UL;
  48   ull = 1234567ULL;
  49 }
  50
  51 void
  52 init_signed_int (void)
  53 {
  54   si = -987;
  55   sl = -345678;
  56   sll = -1234567;
  57 }
  58
  59 int
  60 main ()
  61 {
  62   /* C99 Section 6.7.2 Type specifiers.  Type _Bool is
  63      mentioned in this section.  Conversions between
  64      _Bool and DFP types.  */
  65
  66   /* Decimal float to unsigned integer.  */
  67   init_dfp_1 ();
  68
  69   ui = d32;
  70   if (ui != 456U)
  71     abort ();
  72   ul = d32;
  73   if (ul != 456UL)
  74     abort ();
  75   ull = d32;
  76   if (ull != 456ULL)
  77     abort ();
  78
  79   ui = d64;
  80   if (ui != 23U)
  81     abort ();
  82   ul = d64;
  83   if (ul != 23UL)
  84     abort ();
  85   ull = d64;
  86   if (ull != 23ULL)
  87     abort ();
  88
  89   ui = d128;
  90   if (ui != 1234U)
  91     abort ();
  92   ul = d128;
  93   if (ul != 1234UL)
  94     abort ();
  95   ull = d128;
  96   if (ull != 1234ULL)
  97     abort ();
  98
  99   /* Decimal float to signed integer.  */
 100
 101   /* Decimal float to _Bool.  */
 102   init_dfp_2 ();
 103
 104   b = d32;
 105   if (!b)
 106     abort ();
 107   b = d64;
 108   if (!b)
 109     abort ();
 110   b = d128;
 111   if (!b)
 112     abort ();
 113
 114   /* Unsigned integer to decimal float.  */
 115   init_unsigned_int ();
 116
 117   d32 = ui;
 118   if (d32 != 987.0df)
 119     abort ();
 120   d32 = ul;
 121   if (d32 != 345678.0df)
 122     abort ();
 123   d32 = ull;
 124   if (d32 != 1234567.df)
 125     abort ();
 126
 127   d64 = ui;
 128   if (d64 != 987.0dd)
 129     abort ();
 130   d64 = ul;
 131   if (d64 != 345678.0dd)
 132     abort ();
 133   d64 = ull;
 134   if (d64 != 1234567.dd)
 135     abort ();
 136
 137   d128 = ui;
 138   if (d128 != 987.0dl)
 139     abort ();
 140   d128 = ul;
 141   if (d128 != 345678.0dl)
 142     abort ();
 143   d128 = ull;
 144   if (d128 != 1234567.dl)
 145     abort ();
 146
 147   /* Signed integer to decimal float.  */
 148   init_signed_int ();
 149
 150   d32 = si;
 151   if (d32 != -987.0df)
 152     abort ();
 153   d32 = sl;
 154   if (d32 != -345678.0df)
 155     abort ();
 156   d32 = sll;
 157   if (d32 != -1234567.df)
 158     abort ();
 159
 160   d64 = si;
 161   if (d64 != -987.0dd)
 162     abort ();
 163   d64 = sl;
 164   if (d64 != -345678.0dd)
 165     abort ();
 166   d64 = sll;
 167   if (d64 != -1234567.dd)
 168     abort ();
 169
 170   d128 = si;
 171   if (d128 != -987.0dl)
 172     abort ();
 173   d128 = sl;
 174   if (d128 != -345678.0dl)
 175     abort ();
 176   d128 = sll;
 177   if (d128 != -1234567.dl)
 178     abort ();
 179
 180   /* _Bool to decimal float.  */
 181   init_dfp_3 ();
 182
 183   b = d32;
 184   if (b)
 185     abort ();
 186   b = d64;
 187   if (b)
 188     abort ();
 189   b = d128;
 190   if (b)
 191     abort ();
 192
 193   return 0;
 194 }