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 30316-0578a48613) Lines: 2553 2914 87.6 %
Date: 2025-06-04 09:19:51 Functions: 304 359 84.7 %
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
zero_FlxM_copy 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 2265
Flm_to_FlxV 2324
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxM_to_ZXM 2485
kron_unpack_Flx_2 2930
kron_pack_Flx_spec_2 3389
Flxq_charpoly 3624
Flv_prod_pre 3627
_Flx_composedsum 3910
Flxq_pow_table_pre 4393
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5460
_Flxq_rand 5576
_Flxq_s 6567
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_powu_pre 7873
Flx_is_l_pow 8239
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flx_mulspec_mulii 10138
Flx_sqrspec_quartsqri 10218
Flv_inv_pre 10491
Flx_Fl2_eval_pre 10528
Flx_sqrspec_sqri_inflate 11498
Flv_inv_inplace 12017
zl_Xp1_powu 12017
int_to_Flx 12410
init_invlaplace 12514
Flx_diff1 13482
Flx_halve 14117
Flx_translate1 16142
Flxq_sqrtn_spec_pre 19262
Flx_halfres_split 19964
FlxM_eval_powers_pre 20038
Flxq_sqrtn 20456
Flxq_autpow_msqr 20700
Flx_invBarrett_Newton 23161
ZM_unpack_FlxM 23421
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 25999
Flx_Laplace 27371
Flx_composedsum 27577
Flx_translate1_basecase 28236
FlxV_composedsum 28991
Flx_mod_Xn1 30119
FlxV_Flc_mul 34482
Fl_Flxq_log 35543
Flxq_sqrtl_spec_pre 35707
Flxq_sumautsum_msqr 40558
translate_basecase 41401
kron_unpack_Flx 42785
Flxq_minpoly 44467
Flxq_autpow_sqr 46262
FlxM_pack_ZM 46835
Flv_inv_indir 49973
kron_pack_Flx_spec 53168
Flx_Newton 54166
Flx_invLaplace 54425
Flxn_div 55210
Flxn_div_pre 55239
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65765
Flxq_autpow_pre 67497
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flx_to_FlxX 71244
Fl2_sqrtn_pre 74085
Flx_is_smooth 74256
Flxn_mul 75415
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_Frobenius 86486
Flx_matFrobenius_pre 86583
Flx_mulspec_quartmulii 97161
Flxq_order 97328
Flxq_autsum_pre 98774
Flv_Flm_polint 101401
FlxC_to_ZXC 104060
Flxq_autsum_sqr 105123
int_to_Flx_quart 107384
Flx_fromNewton 109429
Flxn_expint 109429
_Fl2_rand 111202
Flxq_autsum_mul 112489
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
FlxM_pack_ZM_bits 116239
Flx_is_smooth_pre 119048
Fl2_norm_pre 124475
Flx_is_smooth_squarefree 127322
Flx_invBarrett_basecase 134264
Flx_extgcd_halfgcd 146586
Flx_splitting 147440
Flx_Fl_sub 151674
Flv_invVandermonde 153162
Flx_invBarrett_pre 158725
Flx_inflate 160930
Flxq_log 164217
Flxq_matrix_pow_pre 170687
FlxV_to_Flm 171906
Fl2_inv_pre 193403
Flx_to_int_quartspec 204541
Flxq_sumautsum_pre 208704
Flxn_recip 217496
Flxq_sqrt 230554
Flxq_sqrt_pre 230554
Flxq_powers 232066
FlxqC_red_pre 234845
Flxq_div 237864
FlxC_eval_powers_pre 254974
get_Flxq_star 280807
Flx_mulspec_mulii_inflate 283361
Flxq_sumautsum_sqr 292682
Z_mod2BIL_Flx 294859
FlxT_red 295152
Z_mod2BIL_Flx_2 297789
Flxq_inv 335772
Flx_sqr 354672
_Flxq_neg 366572
Flv_polint 368416
_Flx_add 389834
bounded_order 394048
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416634
Flx_deflate 420516
Flx_integXn 422842
Fl2_equal1 441404
Flxq_norm 443340
Flx_to_int_halfspec 468584
Flxq_powu 488321
int_to_Flx_half 507055
Flxn_mulhigh 517041
Flx_blocks 517155
Flxq_easylog 519201
Flx_eval2BILspec 581609
Flx_divrem_Barrett 604463
FlxV_to_ZXV 605870
Flv_inv 624262
Flv_producttree 625460
Flv_inv_i 636276
Flxq_auttrace_sqr 636779
_Fl2_pow 658656
Fl2_pow_pre 658660
Flx_Flv_multieval_tree 665766
Flxq_invsafe 669598
Flx_sqrspec_Kronecker 683381
kron_pack_Flx_spec_half 688104
Flv_roots_to_pol 744037
Flxq_auttrace_mul 764117
Flxq_minpoly_pre 783915
Flx_Flxq_eval 789606
Flx_halfgcd_pre 845725
Flx_extgcd 854928
Flx_subspec 897439
Flx_divrem_Barrettspec 905040
monomial_Flx 912552
Flxq_pow 930714
Flxq_auttrace_pre 935369
Flx_mulhigh_i 939040
Flx_triple 1049734
Flx_halfgcd_all_i 1099595
Flx_halfgcd_all_pre 1099599
Flx_halfres_basecase 1106666
Flx_halfres_i 1126638
FlvV_polint_tree 1387262
_Flxq_rmul 1461838
_Flxq_red 1550928
Flxq_transmul_init 1691431
Rg_to_F2 1706830
Flx_neg_inplace 1747890
Flx_red 1879559
_Fl2_mul 1885478
Fl2_mul_pre 1913921
Flx_lgrenormalizespec 2132341
RgX_to_Flx 2241608
Flx_Flxq_eval_pre 2403399
Flxq_div_pre 2417569
Flx_double 2444871
random_Flx 2591188
Z_to_Flx 2600984
Flxq_sqr 2759491
FlxV_to_ZXV_inplace 2926302
Flx_neg 3264924
Flx_negspec 3264942
Rg_to_Flxq 3563141
Flx_addshift 3664597
ZXT_to_FlxT 3794472
Flxq_transmul 4082230
Flx_val 4128881
Flxq_inv_pre 4283932
Flx_resultant 4732970
Fl2_sqr_pre 4818101
_Fl2_sqr 4818102
Flx_mod_Xnm1 5053523
Flxn_mul_pre 5060452
Flxq_invsafe_pre 5412571
kron_unpack_Flx_bits_wide 5532057
kron_unpack_Flx_bits_narrow 5655351
zx_to_Flx 6028912
Flxn_red 6231960
Flx_extgcd_pre 6267490
Flx_extgcd_basecase 6267507
Flx_recipspec 7121609
Flx_addspec 7130769
mkF2 7182934
Flx_mulspec_Kronecker 7222567
Flx_Fl_mul 7323277
maxbitcoeffpol 8328931
Flx_is_squarefree 8531709
Flx_Fl_add 9888770
Flx_resultant_basecase_pre 10269469
Flx_resultant_pre 10271517
_Flx_mul 10469134
Flx_Fl_mul_to_monic 11906171
Flx_blocks_Flm 12802537
FlxV_to_Flm_lg 12803299
Flx_FlxqV_eval_pre 13001977
Flxq_mul 13190441
Flx_Frobenius_pre 13702052
Flx_get_red 14286187
Flx_Fl_mul_pre 18253616
Flv_inv_pre_inplace 18510228
Flv_inv_pre_indir 19115623
Fl_to_Flx 19866872
Flx_eval 20386066
kron_pack_Flx_spec_bits 20721557
Flx_deriv 21151181
_Flxq_one 22207130
Flxq_powers_pre 22208574
_Flxq_powu_i 22865730
_Flxq_pow 22872183
Flxq_pow_Frobenius 22879597
Flxq_pow_pre 23919204
Flxq_powu_pre 24116134
Flv_to_Flx 25248818
Flx_valrem 26288848
Flx_shift 26787731
Flx_equal 27436130
Flx_mul 27629118
Flx_divrem 30291102
Flx_gcd 32463315
Flx_div_by_X_x 32990394
Flx_to_ZX_inplace 36385470
Flx_to_ZX 37106703
Flx_rem 41850182
Flx_eval_powers_pre 43439673
Flx_divrem_basecase 61733545
Flx_normalize 62055606
Flx_add 62590909
Flx_to_Flv 65838163
set_Flxq_pre 69521495
Rg_to_Fl 73125937
Flx_divrem_pre 79170243
Flx_gcd_basecase 82890280
Flx_gcd_pre 84528352
Flx_get_red_pre 96905913
Flx_eval_pre 100674134
Flx_sub 138072638
_Flxq_mul 147897823
ZX_to_Flx 167483623
Flxq_mul_pre 188972504
_Flxq_sqr 268153256
Flxq_sqr_pre 276041020
Flx_sqr_pre 276980963
Flx_sqrspec_basecase 276981579
Flx_sqrspec 277174933
Flx_mulspec_basecase 338325949
Flx_mul_pre 370039451
Flx_mulspec 375690386
Flx_shiftip 624009606
Flx_rem_basecase 784279298
Flx_rem_pre 907567816
get_Flx_red 970947701
Flx_mullimb 1162480874
Flx_renormalize 2105070051
get_Fl_threshold 2285898571
Flx_mullimb_ok 3360491433

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