[493c477] | 1 | /* emacs edit mode for this file is -*- C++ -*- */ |
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[2dd068] | 2 | |
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[e4fe2b] | 3 | #include "config.h" |
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[9d7aaa] | 4 | |
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[650f2d8] | 5 | #include "cf_assert.h" |
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[9d7aaa] | 6 | |
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[2dd068] | 7 | #include "cf_defs.h" |
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| 8 | #include "singext.h" |
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| 9 | #include "int_cf.h" |
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| 10 | #include "int_int.h" |
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| 11 | #include "int_rat.h" |
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| 12 | #include "imm.h" |
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| 13 | #include "cf_factory.h" |
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| 14 | |
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[ee668e] | 15 | #include <factory/cf_gmp.h> |
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[daa556] | 16 | |
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| 17 | |
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[8357930] | 18 | void gmp_numerator ( const CanonicalForm & f, mpz_ptr result ) |
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[2dd068] | 19 | { |
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| 20 | InternalCF * ff = f.getval(); |
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| 21 | ASSERT( ! is_imm( ff ), "illegal type" ); |
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[8357930] | 22 | if ( ff->levelcoeff() == IntegerDomain ) |
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| 23 | { |
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[a52291] | 24 | mpz_init_set( result, (InternalInteger::MPI( ff )) ); |
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[8357930] | 25 | ff->deleteObject(); |
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[2dd068] | 26 | } |
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[8357930] | 27 | else if ( ff->levelcoeff() == RationalDomain ) |
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| 28 | { |
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[a52291] | 29 | mpz_init_set( result, (InternalRational::MPQNUM( ff )) ); |
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[8357930] | 30 | ff->deleteObject(); |
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[2dd068] | 31 | } |
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[8357930] | 32 | else |
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| 33 | { |
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| 34 | ASSERT( 0, "illegal type" ); |
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[2dd068] | 35 | } |
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| 36 | } |
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| 37 | |
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[8357930] | 38 | void gmp_denominator ( const CanonicalForm & f, mpz_ptr result ) |
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[2dd068] | 39 | { |
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| 40 | InternalCF * ff = f.getval(); |
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| 41 | ASSERT( ! is_imm( ff ), "illegal type" ); |
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[8357930] | 42 | if ( ff->levelcoeff() == IntegerDomain ) |
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| 43 | { |
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| 44 | mpz_init_set_si( result, 1 ); |
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| 45 | ff->deleteObject(); |
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[2dd068] | 46 | } |
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[8357930] | 47 | else if ( ff->levelcoeff() == RationalDomain ) |
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| 48 | { |
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[a52291] | 49 | mpz_init_set( result, (InternalRational::MPQDEN( ff )) ); |
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[8357930] | 50 | ff->deleteObject(); |
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[2dd068] | 51 | } |
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[8357930] | 52 | else |
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| 53 | { |
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| 54 | ASSERT( 0, "illegal type" ); |
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[2dd068] | 55 | } |
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| 56 | } |
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| 57 | |
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[8838ab] | 58 | int gf_value (const CanonicalForm & f ) |
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| 59 | { |
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| 60 | InternalCF * ff = f.getval(); |
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[8357930] | 61 | return ((long)ff) >>2; |
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[8838ab] | 62 | } |
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| 63 | |
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[2dd068] | 64 | CanonicalForm |
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[a52291] | 65 | make_cf ( const mpz_ptr n ) |
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[2dd068] | 66 | { |
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[186402] | 67 | return CanonicalForm( CFFactory::basic( n ) ); |
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[2dd068] | 68 | } |
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| 69 | |
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| 70 | CanonicalForm |
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[a52291] | 71 | make_cf ( const mpz_ptr n, const mpz_ptr d, bool normalize ) |
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[2dd068] | 72 | { |
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[186402] | 73 | return CanonicalForm( CFFactory::rational( n, d, normalize ) ); |
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[2dd068] | 74 | } |
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[8838ab] | 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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