libstdc++-v3/testsuite/decimal/mixed-mode-arith_neg.cc

   1 // Copyright (C) 2009 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-do compile }
  19 // { dg-require-effective-target dfp }
  20
  21 // Test that binary arithmetic operators do not accept mixed decimal
  22 // and generic floating-point operands.  This isn't explicity
  23 // prohibited in ISO/IEC TR 24733 but it is prohibited in C, and in C++
  24 // there should not be an implicit conversion from a decimal
  25 // floating-point type to a generic floating-point type.
  26
  27 #include <decimal/decimal>
  28 #include <testsuite_hooks.h>
  29
  30 using namespace std::decimal;
  31
  32 decimal32 a32, b32, c32;
  33 decimal64 a64, b64, c64;
  34 decimal128 a128, b128, c128;
  35 float f;
  36 double d;
  37 long double ld;
  38 bool b1, b2, b3, b4, b5, b6;
  39
  40 void
  41 bad_add (void)
  42 {
  43   a32 = b32 + f;        // { dg-error "error" }
  44   a32 = ld + b32;       // { dg-error "error" }
  45   a64 = b64 + d;        // { dg-error "error" }
  46   a64 = ld + b64;       // { dg-error "error" }
  47   a128 = b128 + ld;     // { dg-error "error" }
  48   a128 = d + b128;      // { dg-error "error" }
  49 }
  50
  51 void
  52 bad_subtract (void)
  53 {
  54   a32 = b32 - f;        // { dg-error "error" }
  55   a32 = ld - b32;       // { dg-error "error" }
  56   a64 = b64 - d;        // { dg-error "error" }
  57   a64 = ld - b64;       // { dg-error "error" }
  58   a128 = b128 - ld;     // { dg-error "error" }
  59   a128 = d - b128;      // { dg-error "error" }
  60 }
  61
  62 void
  63 bad_multiply (void)
  64 {
  65   a32 = b32 * f;        // { dg-error "error" }
  66   a32 = ld * b32;       // { dg-error "error" }
  67   a64 = b64 * d;        // { dg-error "error" }
  68   a64 = ld * b64;       // { dg-error "error" }
  69   a128 = b128 * ld;     // { dg-error "error" }
  70   a128 = d * b128;      // { dg-error "error" }
  71 }
  72
  73 void
  74 bad_divide (void)
  75 {
  76   a32 = b32 / f;        // { dg-error "error" }
  77   a32 = ld / b32;       // { dg-error "error" }
  78   a64 = b64 / d;        // { dg-error "error" }
  79   a64 = ld / b64;       // { dg-error "error" }
  80   a128 = b128 / ld;     // { dg-error "error" }
  81   a128 = d / b128;      // { dg-error "error" }
  82 }
  83
  84 void
  85 bad_pluseq (void)
  86 {
  87   a32 += f;             // { dg-error "error" }
  88   a32 += d;             // { dg-error "error" }
  89   a32 += ld;            // { dg-error "error" }
  90   a64 += f;             // { dg-error "error" }
  91   a64 += d;             // { dg-error "error" }
  92   a64 += ld;            // { dg-error "error" }
  93   a128 += f;            // { dg-error "error" }
  94   a128 += d;            // { dg-error "error" }
  95   a128 += ld;           // { dg-error "error" }
  96 }
  97
  98 void
  99 bad_minuseq (void)
 100 {
 101   a32 -= f;             // { dg-error "error" }
 102   a32 -= d;             // { dg-error "error" }
 103   a32 -= ld;            // { dg-error "error" }
 104   a64 -= f;             // { dg-error "error" }
 105   a64 -= d;             // { dg-error "error" }
 106   a64 -= ld;            // { dg-error "error" }
 107   a128 -= f;            // { dg-error "error" }
 108   a128 -= d;            // { dg-error "error" }
 109   a128 -= ld;           // { dg-error "error" }
 110 }
 111
 112 void
 113 bad_timeseq (void)
 114 {
 115   a32 *= f;             // { dg-error "error" }
 116   a32 *= d;             // { dg-error "error" }
 117   a32 *= ld;            // { dg-error "error" }
 118   a64 *= f;             // { dg-error "error" }
 119   a64 *= d;             // { dg-error "error" }
 120   a64 *= ld;            // { dg-error "error" }
 121   a128 *= f;            // { dg-error "error" }
 122   a128 *= d;            // { dg-error "error" }
 123   a128 *= ld;           // { dg-error "error" }
 124 }
 125
 126 void
 127 bad_divideeq (void)
 128 {
 129   a32 /= f;             // { dg-error "error" }
 130   a32 /= d;             // { dg-error "error" }
 131   a32 /= ld;            // { dg-error "error" }
 132   a64 /= f;             // { dg-error "error" }
 133   a64 /= d;             // { dg-error "error" }
 134   a64 /= ld;            // { dg-error "error" }
 135   a128 /= f;            // { dg-error "error" }
 136   a128 /= d;            // { dg-error "error" }
 137   a128 /= ld;           // { dg-error "error" }
 138 }
 139
 140 // { dg-excess-errors "notes about candidates" }