Code coverage tests

This page documents the degree to which the PARI/GP source code is tested by our public test suite, distributed with the source distribution in directory src/test/. This is measured by the gcov utility; we then process gcov output using the lcov frond-end.

We test a few variants depending on Configure flags on the pari.math.u-bordeaux.fr machine (x86_64 architecture), and agregate them in the final report:

The target is to exceed 90% coverage for all mathematical modules (given that branches depending on DEBUGLEVEL or DEBUGMEM are not covered). This script is run to produce the results below.

LCOV - code coverage report
Current view: top level - basemath - Flx.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30151-a2cba786a6) Lines: 2553 2910 87.7 %
Date: 2025-04-20 09:17:55 Functions: 304 358 84.9 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl_Xp1_powu 0
Flv_prod 0
FlxC_FlxqV_eval 0
FlxC_FlxqV_eval_pre 0
FlxC_Flxq_eval 0
FlxC_Flxq_eval_pre 0
FlxC_neg 0
FlxC_sub 0
FlxC_translate 0
FlxM_Flx_add_shallow 0
FlxM_max_degree 0
FlxM_max_degree_i 0
FlxM_mul 0
FlxM_neg 0
FlxM_sub 0
FlxM_to_FlxXV 0
FlxM_translate 0
FlxV_Flx_fromdigits 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
Flx_Flv_multieval 0
Flx_composedprod 0
Flx_convol 0
Flx_digits 0
Flx_halfgcd 0
Flx_integ 0
Flx_invBarrett 0
Flx_matFrobenius 0
Flx_powu 0
Flx_recip 0
Flx_translate 0
Flx_unscale 0
Flxn_exp 0
Flxn_sqr 0
Flxn_sqr_pre 0
FlxqC_Flxq_mul 0
FlxqM_Flxq_mul 0
FlxqV_dotproduct 0
Flxq_autsum 0
Flxq_auttrace 0
Flxq_is2npower 0
Flxq_lroot 0
Flxq_lroot_fast 0
Flxq_pow_init 0
Flxq_pow_table 0
ZXV_to_FlxV 0
Z_mod2BIL_Flx_3 0
_Flx_divrem 0
_Flx_sqr 0
kron_pack_Flx_spec_3 0
kron_unpack_Flx_3 0
zero_FlxC 0
zero_FlxM 0
Flxq_autpow 7
RgXV_to_FlxV 7
matJ2_FlxM 13
Flxq_conjvec 20
Flxq_pow_init_pre 28
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
_Flxq_powu 68
Flx_sqrspec_halfsqri 136
Flx_halfgcd_all 154
Flxq_matrix_pow 399
ZpX_invLaplace_init 497
matid2_FlxM 911
Flxn_inv 1030
Flx_halfres_pre 1044
Flx_rescale 1117
Flxq_autpowers 1667
FlxqX_dotproduct 1918
Flx_sqrspec_sqri 2260
Flm_to_FlxV 2324
FlxM_to_ZXM 2429
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
kron_unpack_Flx_2 2930
kron_pack_Flx_spec_2 3389
Flv_prod_pre 3594
Flxq_charpoly 3624
_Flx_composedsum 3910
Flxq_pow_table_pre 4394
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5454
_Flxq_rand 5578
_Flxq_s 6567
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_powu_pre 7908
Flx_is_l_pow 8159
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flx_mulspec_mulii 10136
Flx_sqrspec_quartsqri 10218
Flx_Fl2_eval_pre 10528
Flv_inv_pre 10582
Flx_sqrspec_sqri_inflate 11498
Flv_inv_inplace 12017
zl_Xp1_powu 12017
int_to_Flx 12409
init_invlaplace 12514
Flx_diff1 13482
Flx_halve 14075
Flx_translate1 16142
Flxq_sqrtn_spec_pre 19261
FlxM_eval_powers_pre 19452
Flx_halfres_split 19964
Flxq_sqrtn 20455
Flxq_autpow_msqr 20696
Flx_invBarrett_Newton 23161
ZM_unpack_FlxM 23421
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 26000
Flx_Laplace 27362
Flx_composedsum 27580
Flx_translate1_basecase 28236
FlxV_composedsum 28993
Flx_mod_Xn1 30103
FlxV_Flc_mul 34482
Fl_Flxq_log 35540
Flxq_sqrtl_spec_pre 35707
Flxq_sumautsum_msqr 40558
translate_basecase 41401
kron_unpack_Flx 42785
Flxq_minpoly 44467
Flxq_autpow_sqr 46249
FlxM_pack_ZM 46835
Flv_inv_indir 49887
kron_pack_Flx_spec 53168
Flx_Newton 54166
Flx_invLaplace 54401
Flxn_div 55224
Flxn_div_pre 55237
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65765
Flxq_autpow_pre 67487
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flx_to_FlxX 71251
Fl2_sqrtn_pre 74020
Flx_is_smooth 74256
Flxn_mul 75411
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_Frobenius 86485
Flx_matFrobenius_pre 86571
Flx_mulspec_quartmulii 97173
Flxq_order 97308
Flxq_autsum_pre 98768
Flv_Flm_polint 101295
FlxC_to_ZXC 103948
Flxq_autsum_sqr 105110
int_to_Flx_quart 107393
Flxn_expint 109422
Flx_fromNewton 109427
_Fl2_rand 111249
Flxq_autsum_mul 112472
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
FlxM_pack_ZM_bits 116239
Flx_is_smooth_pre 118653
Fl2_norm_pre 124357
Flx_is_smooth_squarefree 126822
Flx_invBarrett_basecase 134255
Flx_extgcd_halfgcd 146559
Flx_splitting 147556
Flx_Fl_sub 151430
Flv_invVandermonde 152995
Flx_invBarrett_pre 158716
Flx_inflate 160516
Flxq_log 164294
Flxq_matrix_pow_pre 170662
FlxV_to_Flm 171878
Fl2_inv_pre 193819
Flx_to_int_quartspec 204564
Flxq_sumautsum_pre 208704
Flxn_recip 217479
Flxq_sqrt 230512
Flxq_sqrt_pre 230512
Flxq_powers 232067
FlxqC_red_pre 234845
Flxq_div 237864
FlxC_eval_powers_pre 251072
get_Flxq_star 280863
Flx_mulspec_mulii_inflate 283333
Flxq_sumautsum_sqr 292682
Z_mod2BIL_Flx 294831
FlxT_red 296217
Z_mod2BIL_Flx_2 297761
Flxq_inv 335768
Flx_sqr 354650
_Flxq_neg 366572
Flv_polint 368438
_Flx_add 389834
bounded_order 394038
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416580
Flx_deflate 420497
Flx_integXn 422850
Fl2_equal1 442156
Flxq_norm 443345
Flx_to_int_halfspec 468572
Flxq_powu 488298
int_to_Flx_half 507049
Flxn_mulhigh 517184
Flx_blocks 517244
Flxq_easylog 519312
Flx_eval2BILspec 581553
Flx_divrem_Barrett 604720
FlxV_to_ZXV 605807
Flv_inv 623999
Flv_producttree 625198
Flv_inv_i 636012
Flxq_auttrace_sqr 636057
_Fl2_pow 659538
Fl2_pow_pre 659545
Flx_Flv_multieval_tree 665505
Flxq_invsafe 669241
Flx_sqrspec_Kronecker 682748
kron_pack_Flx_spec_half 688104
Flv_roots_to_pol 740891
Flxq_auttrace_mul 763334
Flxq_minpoly_pre 784412
Flx_Flxq_eval 789665
Flx_halfgcd_pre 846242
Flx_extgcd 854689
Flx_subspec 897867
Flx_divrem_Barrettspec 905337
monomial_Flx 913063
Flxq_pow 930669
Flxq_auttrace_pre 935434
Flx_mulhigh_i 939149
Flx_triple 1049734
Flx_halfgcd_all_i 1100109
Flx_halfgcd_all_pre 1100109
Flx_halfres_basecase 1107187
Flx_halfres_i 1127153
FlvV_polint_tree 1386118
_Flxq_rmul 1461838
_Flxq_red 1550928
Flxq_transmul_init 1692467
Rg_to_F2 1706849
Flx_neg_inplace 1747813
Flx_red 1880479
_Fl2_mul 1889437
Fl2_mul_pre 1917875
Flx_lgrenormalizespec 2133089
RgX_to_Flx 2241160
Flx_Flxq_eval_pre 2403981
Flxq_div_pre 2417569
Flx_double 2444871
random_Flx 2591758
Z_to_Flx 2593146
Flxq_sqr 2759494
FlxV_to_ZXV_inplace 2926160
Flx_negspec 3265132
Flx_neg 3265142
Rg_to_Flxq 3559134
Flx_addshift 3664519
ZXT_to_FlxT 3794731
Flxq_transmul 4084535
Flx_val 4141420
Flxq_inv_pre 4283935
Flx_resultant 4732686
_Fl2_sqr 4825243
Fl2_sqr_pre 4825255
Flxn_mul_pre 5062914
Flx_mod_Xnm1 5080084
Flxq_invsafe_pre 5411062
kron_unpack_Flx_bits_wide 5531983
kron_unpack_Flx_bits_narrow 5655479
zx_to_Flx 6032625
Flxn_red 6234396
Flx_extgcd_basecase 6265735
Flx_extgcd_pre 6265742
Flx_recipspec 7125219
Flx_addspec 7130640
mkF2 7195202
Flx_mulspec_Kronecker 7221698
Flx_Fl_mul 7312626
maxbitcoeffpol 8328139
Flx_is_squarefree 8532018
Flx_Fl_add 9910584
Flx_resultant_basecase_pre 10270008
Flx_resultant_pre 10271904
_Flx_mul 10464100
Flx_Fl_mul_to_monic 11929409
Flx_blocks_Flm 12800029
FlxV_to_Flm_lg 12800956
Flx_FlxqV_eval_pre 12999552
Flxq_mul 13190418
Flx_Frobenius_pre 13702155
Flx_get_red 14285686
Flx_Fl_mul_pre 18239187
Flv_inv_pre_inplace 18428096
Flv_inv_pre_indir 19045565
Fl_to_Flx 19862325
Flx_eval 20380181
kron_pack_Flx_spec_bits 20719058
Flx_deriv 21150220
_Flxq_one 22205791
Flxq_powers_pre 22207979
_Flxq_pow 22288363
Flxq_pow_Frobenius 22295769
_Flxq_powu_i 22884143
Flxq_pow_pre 23335341
Flxq_powu_pre 24135200
Flv_to_Flx 25240189
Flx_valrem 26260121
Flx_shift 26793450
Flx_equal 26852027
Flx_mul 27628584
Flx_divrem 30283144
Flx_gcd 32498568
Flx_div_by_X_x 33030299
Flx_to_ZX_inplace 36375212
Flx_to_ZX 37100817
Flx_rem 41844432
Flx_eval_powers_pre 43462893
Flx_divrem_basecase 61725498
Flx_normalize 62057554
Flx_add 62567076
Flx_to_Flv 65810933
set_Flxq_pre 68953154
Rg_to_Fl 73120769
Flx_divrem_pre 79155062
Flx_gcd_basecase 82935269
Flx_gcd_pre 84581383
Flx_get_red_pre 96335040
Flx_eval_pre 100686911
Flx_sub 137910409
_Flxq_mul 146939671
ZX_to_Flx 167429097
Flxq_mul_pre 187977562
_Flxq_sqr 268164082
Flxq_sqr_pre 276051217
Flx_sqrspec_basecase 276770216
Flx_sqr_pre 277050712
Flx_sqrspec 277224109
Flx_mulspec_basecase 337322411
Flx_mul_pre 368915918
Flx_mulspec 374417349
Flx_shiftip 622545927
Flx_rem_basecase 783371968
Flx_rem_pre 906951146
get_Flx_red 970326212
Flx_mullimb 1164156989
Flx_renormalize 2102006212
get_Fl_threshold 2281953760
Flx_mullimb_ok 3340843503

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