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 30580-ef5a862e7f) Lines: 2553 2925 87.3 %
Date: 2025-12-19 09:23:05 Functions: 304 363 83.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 463587
Fl2_inv_pre 202479
Fl2_mul_pre 2023637
Fl2_norm_pre 129571
Fl2_pow_pre 692006
Fl2_sqr_pre 5096387
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78880
Fl_Flxq_log 35547
Fl_Xp1_powu 0
Fl_to_Flx 21380493
Flm_to_FlxV 2772
FlvV_polint_tree 2586720
Flv_Flm_polint 104897
Flv_inv 1746349
Flv_invVandermonde 153445
Flv_inv_i 1758361
Flv_inv_indir 52464
Flv_inv_inplace 12017
Flv_inv_pre 9971
Flv_inv_pre_indir 21591302
Flv_inv_pre_inplace 19866518
Flv_polint 1486728
Flv_prod 0
Flv_prod_pre 3206
Flv_producttree 1747563
Flv_roots_to_pol 843038
Flv_to_Flx 25525148
FlxC_Fl_translate 0
FlxC_FlxqV_eval 0
FlxC_FlxqV_eval_pre 0
FlxC_Flxq_eval 0
FlxC_Flxq_eval_pre 0
FlxC_eval_powers_pre 325155
FlxC_neg 0
FlxC_sub 0
FlxC_to_ZXC 104060
FlxM_Fl_translate 0
FlxM_Flx_add_shallow 0
FlxM_Flx_mul2 26000
FlxM_eval_powers_pre 22302
FlxM_max_degree 0
FlxM_max_degree_i 0
FlxM_mul 0
FlxM_mul2 7099
FlxM_mul_Kronecker_i 81581
FlxM_neg 0
FlxM_pack_ZM 46835
FlxM_pack_ZM_bits 116239
FlxM_sub 0
FlxM_to_FlxXV 0
FlxM_to_ZXM 2485
FlxT_red 299208
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28971
FlxV_factorback 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171885
FlxV_to_Flm_lg 12991388
FlxV_to_FlxX 397977
FlxV_to_ZXV 606924
FlxV_to_ZXV_inplace 3032336
Flx_Fl2_eval_pre 10773
Flx_Fl_add 10047353
Flx_Fl_mul 7328407
Flx_Fl_mul_pre 18298270
Flx_Fl_mul_to_monic 12038697
Flx_Fl_sub 151916
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1787860
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13190075
Flx_Flxq_eval 791892
Flx_Flxq_eval_pre 2450818
Flx_Frobenius 86485
Flx_Frobenius_pre 13820634
Flx_Laplace 27352
Flx_Newton 54102
Flx_add 65658503
Flx_addmulmul 416795
Flx_addshift 3726530
Flx_addspec 7254540
Flx_blocks 516977
Flx_blocks_Flm 12990721
Flx_composedprod 0
Flx_composedsum 27545
Flx_convol 0
Flx_deflate 421179
Flx_deriv 22992527
Flx_diff1 14448
Flx_digits 0
Flx_div_by_X_x 36364478
Flx_divrem 30455879
Flx_divrem_Barrett 606059
Flx_divrem_Barrettspec 906994
Flx_divrem_basecase 62338673
Flx_divrem_pre 79781199
Flx_double 2445177
Flx_equal 26695575
Flx_eval 20430037
Flx_eval2BILspec 581957
Flx_eval_powers_pre 49739378
Flx_eval_pre 136451414
Flx_extgcd 857376
Flx_extgcd_basecase 6289730
Flx_extgcd_halfgcd 146650
Flx_extgcd_pre 6289727
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109406
Flx_gcd 34907364
Flx_gcd_basecase 85884694
Flx_gcd_pre 87542158
Flx_get_red 14513935
Flx_get_red_pre 97200843
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1130299
Flx_halfgcd_all_pre 1130300
Flx_halfgcd_pre 876661
Flx_halfres_basecase 1137373
Flx_halfres_i 1157343
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14026
Flx_inflate 160899
Flx_integ 0
Flx_integXn 422768
Flx_invBarrett 0
Flx_invBarrett_Newton 23160
Flx_invBarrett_basecase 134363
Flx_invBarrett_pre 158823
Flx_invLaplace 54378
Flx_is_l_pow 8173
Flx_is_smooth 74256
Flx_is_smooth_pre 118387
Flx_is_smooth_squarefree 126507
Flx_is_squarefree 9184697
Flx_lgrenormalizespec 2136439
Flx_matFrobenius 0
Flx_matFrobenius_pre 86570
Flx_mod_Xn1 31700
Flx_mod_Xnm1 5055281
Flx_mul 27834448
Flx_mul_pre 379088938
Flx_mulhigh_i 938617
Flx_mullimb 1191156452
Flx_mullimb_ok 3385843063
Flx_mulspec 384684711
Flx_mulspec_Kronecker 7337566
Flx_mulspec_basecase 347205171
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10139
Flx_mulspec_mulii_inflate 283523
Flx_mulspec_quartmulii 97167
Flx_neg 3265594
Flx_neg_inplace 1778763
Flx_negspec 3265588
Flx_normalize 65129756
Flx_powu 0
Flx_powu_pre 3993
Flx_recip 0
Flx_recipspec 7310972
Flx_red 1885679
Flx_rem 42244310
Flx_rem_basecase 803139334
Flx_rem_pre 927648739
Flx_renormalize 2158454290
Flx_rescale 1117
Flx_resultant 4735730
Flx_resultant_basecase_pre 14623060
Flx_resultant_pre 14625112
Flx_shift 27432674
Flx_shiftip 635102800
Flx_splitting 147895
Flx_sqr 354731
Flx_sqr_pre 279027900
Flx_sqrspec 279326138
Flx_sqrspec_Kronecker 695776
Flx_sqrspec_basecase 279517583
Flx_sqrspec_halfsqri 136
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2069
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138716696
Flx_subspec 899503
Flx_to_Flv 66724001
Flx_to_FlxX 71657
Flx_to_ZX 38312334
Flx_to_ZX_inplace 36582569
Flx_to_int_halfspec 468632
Flx_to_int_quartspec 204552
Flx_translate1 17108
Flx_translate1_basecase 29202
Flx_triple 1049887
Flx_unscale 0
Flx_val 4618201
Flx_valrem 28429439
Flxn_div 55156
Flxn_div_pre 55171
Flxn_exp 0
Flxn_expint 109408
Flxn_inv 1037
Flxn_mul 75850
Flxn_mul_pre 5170338
Flxn_mulhigh 516874
Flxn_recip 217323
Flxn_red 6341597
Flxn_sqr 0
Flxn_sqr_pre 0
FlxqC_Flxq_mul 0
FlxqC_red_pre 234845
FlxqM_Flxq_mul 0
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
FlxqV_dotproduct 0
FlxqV_dotproduct_pre 113589
FlxqX_dotproduct 1918
Flxq_autpow 7
Flxq_autpow_msqr 20698
Flxq_autpow_pre 69448
Flxq_autpow_sqr 47317
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112472
Flxq_autsum_pre 98768
Flxq_autsum_sqr 105110
Flxq_auttrace 0
Flxq_auttrace_mul 783469
Flxq_auttrace_pre 963666
Flxq_auttrace_sqr 656110
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519384
Flxq_inv 335764
Flxq_inv_pre 4287545
Flxq_invsafe 670664
Flxq_invsafe_pre 5432373
Flxq_is2npower 0
Flxq_issquare 404492
Flxq_log 164217
Flxq_lroot 0
Flxq_lroot_fast 0
Flxq_lroot_fast_pre 113589
Flxq_lroot_pre 25053
Flxq_matrix_pow 399
Flxq_matrix_pow_pre 170665
Flxq_minpoly 45965
Flxq_minpoly_pre 812863
Flxq_mul 13192552
Flxq_mul_pre 188874282
Flxq_norm 443331
Flxq_order 97328
Flxq_pow 948379
Flxq_pow_Frobenius 22200221
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23263788
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232027
Flxq_powers_pre 22460242
Flxq_powu 488492
Flxq_powu_pre 24385386
Flxq_sqr 2763154
Flxq_sqr_pre 278065703
Flxq_sqrt 230463
Flxq_sqrt_pre 230463
Flxq_sqrtl_spec_pre 37666
Flxq_sqrtn 23093
Flxq_sqrtn_spec_pre 21901
Flxq_sumautsum_msqr 40915
Flxq_sumautsum_pre 210713
Flxq_sumautsum_sqr 295314
Flxq_trace 4696
Flxq_transmul 4229657
Flxq_transmul_init 1753305
RgXV_to_FlxV 7
RgX_to_Flx 2250785
Rg_to_F2 1710453
Rg_to_Fl 73224408
Rg_to_Flxq 3597534
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3815068
ZXV_to_FlxV 0
ZX_to_Flx 171063499
Z_mod2BIL_Flx 295045
Z_mod2BIL_Flx_2 297975
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561739
ZpX_invLaplace_init 497
_Fl2_mul 1994580
_Fl2_pow 691995
_Fl2_rand 118756
_Fl2_sqr 5096399
_Flx_add 0
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 11645460
_Flx_one 0
_Flx_pow 0
_Flx_sqr 0
_Flxq_add 389834
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 147654401
_Flxq_neg 366572
_Flxq_one 22460278
_Flxq_pow 22192812
_Flxq_powu 68
_Flxq_powu_i 23129958
_Flxq_rand 6570
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 270189049
bounded_order 395392
gener_Flxq 7201
get_Fl_threshold 2334264426
get_Flx_red 991690252
get_Flxq_field 68902
get_Flxq_star 283444
init_invlaplace 12514
int_to_Flx 12216
int_to_Flx_half 507079
int_to_Flx_quart 107385
kron_pack_Flx_spec 53168
kron_pack_Flx_spec_2 3389
kron_pack_Flx_spec_3 0
kron_pack_Flx_spec_bits 20963755
kron_pack_Flx_spec_half 688104
kron_unpack_Flx 42785
kron_unpack_Flx_2 2930
kron_unpack_Flx_3 0
kron_unpack_Flx_bits_narrow 5659973
kron_unpack_Flx_bits_wide 5654627
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8456295
mkF2 7591025
monomial_Flx 944911
random_Flx 2653432
set_Flxq 68922
set_Flxq_pre 69408250
translate_basecase 42367
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6605543

Generated by: LCOV version 1.16