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      1 /* Test mp*_class assignment operators (+=, -=, etc)
      2 
      3 Copyright 2011 Free Software Foundation, Inc.
      4 
      5 This file is part of the GNU MP Library test suite.
      6 
      7 The GNU MP Library test suite is free software; you can redistribute it
      8 and/or modify it under the terms of the GNU General Public License as
      9 published by the Free Software Foundation; either version 3 of the License,
     10 or (at your option) any later version.
     11 
     12 The GNU MP Library test suite is distributed in the hope that it will be
     13 useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
     14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
     15 Public License for more details.
     16 
     17 You should have received a copy of the GNU General Public License along with
     18 the GNU MP Library test suite.  If not, see https://www.gnu.org/licenses/.  */
     19 
     20 #include "config.h"
     21 
     22 #include "gmpxx.h"
     23 #include "gmp-impl.h"
     24 #include "tests.h"
     25 
     26 using namespace std;
     27 
     28 #define FOR_ALL_SIGNED_BUILTIN(F) \
     29 	F(signed char) \
     30 	F(signed short) \
     31 	F(signed int) \
     32 	F(signed long) \
     33 	F(float) \
     34 	F(double)
     35 
     36 #define FOR_ALL_BUILTIN(F) \
     37 	FOR_ALL_SIGNED_BUILTIN(F) \
     38 	F(char) \
     39 	F(unsigned char) \
     40 	F(unsigned short) \
     41 	F(unsigned int) \
     42 	F(unsigned long)
     43 
     44 #define FOR_ALL_GMPXX(F) \
     45 	F(mpz_class) \
     46 	F(mpq_class) \
     47 	F(mpf_class)
     48 
     49 template<class T,class U> void f(T t, U u){
     50   T a=t;
     51   ASSERT_ALWAYS((a+=u)==(t+u)); ASSERT_ALWAYS(a==(t+u));
     52   ASSERT_ALWAYS((a-=u)==t); ASSERT_ALWAYS(a==t);
     53   ASSERT_ALWAYS((a*=u)==(t*u)); ASSERT_ALWAYS(a==(t*u));
     54   ASSERT_ALWAYS((a/=u)==t); ASSERT_ALWAYS(a==t);
     55   ASSERT_ALWAYS((a<<=5)==(t<<5)); ASSERT_ALWAYS(a==(t<<5));
     56   ASSERT_ALWAYS((a>>=5)==t); ASSERT_ALWAYS(a==t);
     57 }
     58 
     59 template<class T,class U> void g(T t, U u){
     60   T a=t;
     61   ASSERT_ALWAYS((a%=u)==(t%u)); ASSERT_ALWAYS(a==(t%u));
     62   a=t;
     63   ASSERT_ALWAYS((a&=u)==(t&u)); ASSERT_ALWAYS(a==(t&u));
     64   a=t;
     65   ASSERT_ALWAYS((a|=u)==(t|u)); ASSERT_ALWAYS(a==(t|u));
     66   a=t;
     67   ASSERT_ALWAYS((a^=u)==(t^u)); ASSERT_ALWAYS(a==(t^u));
     68 }
     69 
     70 template<class T> void h(T t){
     71   T a=t;
     72   ASSERT_ALWAYS((a<<=5)==(t<<5)); ASSERT_ALWAYS(a==(t<<5));
     73   ASSERT_ALWAYS((a>>=5)==t); ASSERT_ALWAYS(a==t);
     74 }
     75 
     76 template<class T, class U> void ffs(T t, U u){
     77 #define F(V) f(t,(V)u);
     78 	FOR_ALL_SIGNED_BUILTIN(F)
     79 	FOR_ALL_GMPXX(F)
     80 #undef F
     81 #define F(V) f(t,-(V)u);
     82 	FOR_ALL_GMPXX(F)
     83 #undef F
     84 }
     85 
     86 template<class T, class U> void ff(T t, U u){
     87 #define F(V) f(t,(V)u);
     88 	FOR_ALL_BUILTIN(F)
     89 	FOR_ALL_GMPXX(F)
     90 #undef F
     91 #define F(V) f(t,-(V)u);
     92 	FOR_ALL_GMPXX(F)
     93 #undef F
     94 }
     95 
     96 template<class U> void ggs(mpz_class t, U u){
     97 #define F(V) g(t,(V)u);
     98 	FOR_ALL_SIGNED_BUILTIN(F)
     99 #undef F
    100 	g(t,(mpz_class)u);
    101 	g(t,-(mpz_class)u);
    102 }
    103 
    104 template<class U> void gg(mpz_class t, U u){
    105 #define F(V) g(t,(V)u);
    106 	FOR_ALL_BUILTIN(F)
    107 #undef F
    108 	g(t,(mpz_class)u);
    109 	g(t,-(mpz_class)u);
    110 }
    111 
    112 void check(){
    113 	mpz_class z=18;
    114 	mpq_class q(7,2);
    115 	mpf_class d=3.375;
    116 	h(z); h(q); h(d);
    117 	ff(z,13); ff(q,13); ff(d,13);
    118 	ffs(z,-42); ffs(q,-42); ffs(d,-42);
    119 	gg(z,33); ggs(z,-22);
    120 }
    121 
    122 
    123 int
    124 main (void)
    125 {
    126   tests_start();
    127 
    128   check();
    129 
    130   tests_end();
    131   return 0;
    132 }
    133