1 | /* emacs edit mode for this file is -*- C++ -*- */ |
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2 | |
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3 | |
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4 | #include "config.h" |
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5 | |
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6 | |
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7 | #include "cf_assert.h" |
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8 | |
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9 | #include "cf_defs.h" |
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10 | #include "singext.h" |
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11 | #include "int_cf.h" |
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12 | #include "int_int.h" |
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13 | #include "int_rat.h" |
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14 | #include "imm.h" |
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15 | #include "cf_factory.h" |
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16 | |
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17 | #include "factory/cf_gmp.h" |
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18 | |
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19 | |
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20 | void gmp_numerator ( const CanonicalForm & f, mpz_ptr result ) |
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21 | { |
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22 | InternalCF * ff = f.getval(); |
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23 | ASSERT( ! is_imm( ff ), "illegal type" ); |
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24 | if ( ff->levelcoeff() == IntegerDomain ) |
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25 | { |
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26 | mpz_init_set( result, (InternalInteger::MPI( ff )) ); |
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27 | ff->deleteObject(); |
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28 | } |
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29 | else if ( ff->levelcoeff() == RationalDomain ) |
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30 | { |
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31 | mpz_init_set( result, (InternalRational::MPQNUM( ff )) ); |
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32 | ff->deleteObject(); |
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33 | } |
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34 | else |
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35 | { |
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36 | ASSERT( 0, "illegal type" ); |
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37 | } |
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38 | } |
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39 | |
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40 | void gmp_denominator ( const CanonicalForm & f, mpz_ptr result ) |
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41 | { |
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42 | InternalCF * ff = f.getval(); |
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43 | ASSERT( ! is_imm( ff ), "illegal type" ); |
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44 | if ( ff->levelcoeff() == IntegerDomain ) |
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45 | { |
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46 | mpz_init_set_si( result, 1 ); |
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47 | ff->deleteObject(); |
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48 | } |
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49 | else if ( ff->levelcoeff() == RationalDomain ) |
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50 | { |
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51 | mpz_init_set( result, (InternalRational::MPQDEN( ff )) ); |
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52 | ff->deleteObject(); |
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53 | } |
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54 | else |
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55 | { |
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56 | ASSERT( 0, "illegal type" ); |
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57 | } |
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58 | } |
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59 | |
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60 | int gf_value (const CanonicalForm & f ) |
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61 | { |
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62 | InternalCF * ff = f.getval(); |
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63 | return ((intptr_t)ff) >>2; |
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64 | } |
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65 | |
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66 | CanonicalForm make_cf ( const mpz_ptr n ) |
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67 | { |
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68 | return CanonicalForm( CFFactory::basic( n ) ); |
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69 | } |
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70 | |
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71 | CanonicalForm make_cf ( const mpz_ptr n, const mpz_ptr d, bool normalize ) |
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72 | { |
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73 | return CanonicalForm( CFFactory::rational( n, d, normalize ) ); |
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74 | } |
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75 | |
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76 | CanonicalForm make_cf_from_gf ( const int z ) |
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77 | { |
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78 | return CanonicalForm(int2imm_gf(z)); |
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79 | } |
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