gcc/testsuite/c-c++-common/dfp/convert-bfp-6.c

   1 /* { dg-xfail-run-if "" { lax_strtofp } } */
   2 /* { dg-options "-w" } */
   3
   4 /* This test assumes IEEE float and double.  */
   5
   6 #define __STDC_WANT_DEC_FP__
   7 #include <float.h>
   8
   9 #include "convert.h"
  10
  11 volatile _Decimal32 sd;
  12 volatile _Decimal64 dd;
  13 volatile _Decimal128 td;
  14 volatile float sf;
  15 volatile double df;
  16 volatile long double tf;
  17
  18 CONVERT_VALID (101, td, sf, 0.000488281251dl, 0.00048828125f, 0.f)
  19
  20 /* 2**(-25) = 0.298023223876953125E-7.  */
  21 CONVERT_VALID (102, td, sf, 2.98023223876953125e-8dl, 2.9802322387695312e-08f,
  22                01.e-13f)
  23
  24 /* Fractional part doesn't fit.  */
  25 CONVERT_VALID (103, df, sd, 1.0e-20, 1.0e-20df, 0.df)
  26
  27 /* Exact power of 2.  */
  28 CONVERT_VALID (104, df, sd, 0.00048828125, 0.00048828125df, 0.df)
  29 CONVERT_VALID (105, df, sd, 1.0e-96, 0.dd, DEC32_MIN)
  30
  31 /* A value slightly less than FLT_MAX can be converted in both directions.  */
  32 CONVERT_VALID (201, sf, sd, 3.402819e+38f, 3.402819e+38df, 0.df)
  33 CONVERT_VALID (202, sd, sf, 3.402819e+38df, 3.402819e+38f, 0.f)
  34 CONVERT_VALID (203, sf, dd, 3.402819e+38f, 3.402819e+38dd, 1.e+30dd)
  35 CONVERT_VALID (204, dd, sf, 3.402819e+38dd, 3.402819e+38f, 0.f)
  36 CONVERT_VALID (205, sf, td, 3.402819e+38f, 3.402819e+38dl, 1.e+30dl)
  37 CONVERT_VALID (206, td, sf, 3.402819e+38dl, 3.402819e+38f, 0.f)
  38
  39 /* A value slightly less than DEC32_MAX can be converted in both directions.  */
  40 CONVERT_VALID (211, sd, df, 9.999998e96df, 9.999998e96, 0.)
  41 CONVERT_VALID (212, df, sd, 9.999998e96, 9.999998e96df, 0.df)
  42
  43 /* A value slightly less than DBL_MAX can be converted in both directions.  */
  44 CONVERT_VALID (221, df, dd, 1.79768e+308, 1.79768e+308dd, 0.dd)
  45 CONVERT_VALID (222, dd, df, 1.79768e+308dd, 1.79768e+308, 0.)
  46 CONVERT_VALID (223, df, td, 1.79768e+308, 1.79768e+308dl, 1.e292dl)
  47 CONVERT_VALID (224, td, df, 1.79768e+308dl, 1.79768e+308, 0.)
  48
  49 /* An integral value with 6 digits (FLT_DIG) can be converted between float
  50    and _Decimal32 in both directions.  */
  51 CONVERT_VALID (301, sd, sf, 100000.DF, 100000.F, 0.F)
  52 CONVERT_VALID (302, sf, sd, 100000.F, 100000.DF, 0.DF)
  53 CONVERT_VALID (303, sd, sf, 999999.DF, 999999.F, 0.F)
  54 CONVERT_VALID (304, sf, sd, 999999.F, 999999.DF, 0.DF)
  55
  56 /* An integral value with 7 digits (DEC32_MANT_DIG) can be converted between
  57    _Decimal32 and double in both directions.  */
  58 CONVERT_VALID (311, sd, df, 1000000.DF, 1000000., 0.)
  59 CONVERT_VALID (312, df, sd, 1000000., 1000000.DF, 0.DF)
  60 CONVERT_VALID (313, sd, df, 9999999.DF, 9999999., 0.)
  61 CONVERT_VALID (314, df, sd, 9999999., 9999999.DF, 0.DF)
  62
  63 /* An integral value with 15 digits (DBL_DIG) can be converted between
  64    double and _Decimal64 in both directions.  */
  65 CONVERT_VALID (321, dd, df, 100000000000000.DD, 100000000000000., 0.)
  66 CONVERT_VALID (322, df, dd, 100000000000000., 100000000000000.DD, 0.DD);
  67 CONVERT_VALID (323, dd, df, 999999999999999.DD, 999999999999999., 0.);
  68 CONVERT_VALID (324, df, dd, 999999999999999., 999999999999999.DD, 0.DD);
  69
  70 /* If LDBL_DIG is at least 16, an integral value with 16 digits can be
  71    converted between _Decimal64 and long double in both directions.  */
  72 CONVERT_VALID (331, dd, tf, 1000000000000000.DD, 1000000000000000.L, 0.L)
  73 CONVERT_VALID (332, td, dd, 1000000000000000.L, 1000000000000000.DD, 0.DD)
  74 CONVERT_VALID (333, dd, tf, 9999999999999999.DD, 9999999999999999.L, 0.L)
  75 CONVERT_VALID (334, td, dd, 9999999999999999.L, 9999999999999999.DD, 0.DD)
  76
  77 /* If LDBL_DIG is at least 18, an integral value with 18 digits can be
  78    converted between long double and _Decimal128 in both directions.  */
  79 CONVERT_VALID (341, td, tf, 100000000000000000.DL, 100000000000000000.L, 0.L)
  80 CONVERT_VALID (342, tf, td, 100000000000000000.L, 100000000000000000.DL, 0.DL)
  81 CONVERT_VALID (343, td, tf, 999999999999999999.DL, 999999999999999999.L, 0.L)
  82 CONVERT_VALID (344, tf, td, 999999999999999999.L, 999999999999999999.DL, 0.DL)
  83
  84 /* If LDBL_DIG is at least 31, an integral value with 31 digits can be
  85    converted between long double and _Decimal128 in both directions.  */
  86 CONVERT_VALID (351, td, tf, 1000000000000000000000000000000.DL,
  87                             1000000000000000000000000000000.L, 0.L)
  88 CONVERT_VALID (352, tf, td, 1000000000000000000000000000000.L,
  89                             1000000000000000000000000000000.DL, 0.DL)
  90 CONVERT_VALID (353, td, tf, 9999999999999999999999999999999.DL,
  91                             9999999999999999999999999999999.L, 0.L)
  92 CONVERT_VALID (354, tf, td, 9999999999999999999999999999999.L,
  93                             9999999999999999999999999999999.DL, 0.DL)
  94
  95 /* If LDBL_DIG is at least 33, an integral value with 33 digits can be
  96    converted between long double and _Decimal128 in both directions.  */
  97 CONVERT_VALID (361, td, tf, 100000000000000000000000000000000.DL,
  98                             100000000000000000000000000000000.L, 0.L)
  99 CONVERT_VALID (362, tf, td, 100000000000000000000000000000000.L,
 100                             100000000000000000000000000000000.DL, 0.DL)
 101 CONVERT_VALID (363, td, tf, 999999999999999999999999999999999.DL,
 102                             999999999999999999999999999999999.L, 0.L)
 103 CONVERT_VALID (364, tf, td, 999999999999999999999999999999999.L,
 104                             999999999999999999999999999999999.DL, 0.DL)
 105
 106 int
 107 main ()
 108 {
 109   convert_101 ();
 110   convert_102 ();
 111   convert_103 ();
 112   convert_104 ();
 113   convert_105 ();
 114
 115   convert_201 ();
 116   convert_202 ();
 117   convert_203 ();
 118   convert_204 ();
 119   convert_205 ();
 120   convert_206 ();
 121
 122   convert_211 ();
 123   convert_212 ();
 124
 125   convert_221 ();
 126   convert_222 ();
 127   convert_223 ();
 128   convert_224 ();
 129
 130   convert_301 ();
 131   convert_302 ();
 132   convert_303 ();
 133   convert_304 ();
 134
 135   convert_311 ();
 136   convert_312 ();
 137   convert_313 ();
 138   convert_314 ();
 139
 140   convert_321 ();
 141   convert_322 ();
 142   convert_323 ();
 143   convert_324 ();
 144
 145   if (LDBL_DIG >= 16)
 146     {
 147       convert_331 ();
 148       convert_332 ();
 149       convert_333 ();
 150       convert_334 ();
 151     }
 152
 153   if (LDBL_DIG >= 18)
 154     {
 155       convert_341 ();
 156       convert_342 ();
 157       convert_343 ();
 158       convert_344 ();
 159     }
 160
 161   if (LDBL_DIG >= 31)
 162     {
 163       convert_351 ();
 164       convert_352 ();
 165       convert_353 ();
 166       convert_354 ();
 167     }
 168
 169   if (LDBL_DIG >= 33)
 170     {
 171       convert_361 ();
 172       convert_362 ();
 173       convert_363 ();
 174       convert_364 ();
 175     }
 176
 177   FINISH
 178 }