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 30590-f14e077362) Lines: 2553 2925 87.3 %
Date: 2026-01-02 09:20:44 Functions: 304 363 83.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 450509
Fl2_inv_pre 197661
Fl2_mul_pre 1955117
Fl2_norm_pre 127642
Fl2_pow_pre 672643
Fl2_sqr_pre 4913084
Fl2_sqrt_pre 65849
Fl2_sqrtn_pre 76142
Fl_Flxq_log 35541
Fl_Xp1_powu 0
Fl_to_Flx 21934750
Flm_to_FlxV 2772
FlvV_polint_tree 2587473
Flv_Flm_polint 104559
Flv_inv 1744430
Flv_invVandermonde 153445
Flv_inv_i 1756446
Flv_inv_indir 52214
Flv_inv_inplace 12017
Flv_inv_pre 9646
Flv_inv_pre_indir 21035448
Flv_inv_pre_inplace 19316206
Flv_polint 1485165
Flv_prod 0
Flv_prod_pre 3719
Flv_producttree 1745652
Flv_roots_to_pol 842071
Flv_to_Flx 25485663
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 325158
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 294607
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28962
FlxV_factorback 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171878
FlxV_to_Flm_lg 12966929
FlxV_to_FlxX 397977
FlxV_to_ZXV 606735
FlxV_to_ZXV_inplace 3031536
Flx_Fl2_eval_pre 10773
Flx_Fl_add 9846496
Flx_Fl_mul 7327007
Flx_Fl_mul_pre 18292068
Flx_Fl_mul_to_monic 11857577
Flx_Fl_sub 151687
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1785955
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13165552
Flx_Flxq_eval 791320
Flx_Flxq_eval_pre 2444616
Flx_Frobenius 86619
Flx_Frobenius_pre 13810368
Flx_Laplace 27340
Flx_Newton 54100
Flx_add 66111998
Flx_addmulmul 416791
Flx_addshift 3724675
Flx_addspec 7250880
Flx_blocks 516984
Flx_blocks_Flm 12966300
Flx_composedprod 0
Flx_composedsum 27554
Flx_convol 0
Flx_deflate 420787
Flx_deriv 22981098
Flx_diff1 14407
Flx_digits 0
Flx_div_by_X_x 36557399
Flx_divrem 30446929
Flx_divrem_Barrett 604716
Flx_divrem_Barrettspec 906118
Flx_divrem_basecase 62282761
Flx_divrem_pre 79722760
Flx_double 2443925
Flx_equal 27629397
Flx_eval 20417770
Flx_eval2BILspec 603291
Flx_eval_powers_pre 48611685
Flx_eval_pre 136133472
Flx_extgcd 856693
Flx_extgcd_basecase 6285944
Flx_extgcd_halfgcd 146648
Flx_extgcd_pre 6285951
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109400
Flx_gcd 35018924
Flx_gcd_basecase 85763991
Flx_gcd_pre 87418720
Flx_get_red 14501051
Flx_get_red_pre 97783574
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1127350
Flx_halfgcd_all_pre 1127357
Flx_halfgcd_pre 873122
Flx_halfres_basecase 1134426
Flx_halfres_i 1154394
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14026
Flx_inflate 160458
Flx_integ 0
Flx_integXn 422757
Flx_invBarrett 0
Flx_invBarrett_Newton 23161
Flx_invBarrett_basecase 134390
Flx_invBarrett_pre 158851
Flx_invLaplace 54364
Flx_is_l_pow 8236
Flx_is_smooth 74256
Flx_is_smooth_pre 119218
Flx_is_smooth_squarefree 127401
Flx_is_squarefree 9180667
Flx_lgrenormalizespec 2134437
Flx_matFrobenius 0
Flx_matFrobenius_pre 86567
Flx_mod_Xn1 31508
Flx_mod_Xnm1 4908051
Flx_mul 27816443
Flx_mul_pre 380460837
Flx_mulhigh_i 938763
Flx_mullimb 1186589059
Flx_mullimb_ok 3387636948
Flx_mulspec 386037440
Flx_mulspec_Kronecker 7350221
Flx_mulspec_basecase 348530179
Flx_mulspec_halfmulii 5463
Flx_mulspec_mulii 10135
Flx_mulspec_mulii_inflate 294044
Flx_mulspec_quartmulii 97167
Flx_neg 3264294
Flx_neg_inplace 1777875
Flx_negspec 3264301
Flx_normalize 64816758
Flx_powu 0
Flx_powu_pre 3923
Flx_recip 0
Flx_recipspec 7287913
Flx_red 1880350
Flx_rem 42223442
Flx_rem_basecase 800250382
Flx_rem_pre 924185832
Flx_renormalize 2155018098
Flx_rescale 1117
Flx_resultant 4732808
Flx_resultant_basecase_pre 14596629
Flx_resultant_pre 14598847
Flx_shift 27379144
Flx_shiftip 633706237
Flx_splitting 147383
Flx_sqr 354686
Flx_sqr_pre 276258719
Flx_sqrspec 276547742
Flx_sqrspec_Kronecker 695037
Flx_sqrspec_basecase 276695607
Flx_sqrspec_halfsqri 136
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2066
Flx_sqrspec_sqri_inflate 11814
Flx_sub 138632172
Flx_subspec 898475
Flx_to_Flv 66638852
Flx_to_FlxX 71405
Flx_to_ZX 38297496
Flx_to_ZX_inplace 36567880
Flx_to_int_halfspec 468590
Flx_to_int_quartspec 204552
Flx_translate1 17069
Flx_translate1_basecase 29160
Flx_triple 1049261
Flx_unscale 0
Flx_val 4477958
Flx_valrem 28464360
Flxn_div 55185
Flxn_div_pre 55203
Flxn_exp 0
Flxn_expint 109387
Flxn_inv 1037
Flxn_mul 75843
Flxn_mul_pre 5159539
Flxn_mulhigh 516892
Flxn_recip 217410
Flxn_red 6330829
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 20696
Flxq_autpow_pre 69449
Flxq_autpow_sqr 47313
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112472
Flxq_autsum_pre 98768
Flxq_autsum_sqr 105110
Flxq_auttrace 0
Flxq_auttrace_mul 780038
Flxq_auttrace_pre 959792
Flxq_auttrace_sqr 652727
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2416819
Flxq_easylog 519389
Flxq_inv 335769
Flxq_inv_pre 4286518
Flxq_invsafe 670210
Flxq_invsafe_pre 5429286
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 170662
Flxq_minpoly 45937
Flxq_minpoly_pre 809588
Flxq_mul 13192452
Flxq_mul_pre 189286886
Flxq_norm 443137
Flxq_order 97328
Flxq_pow 948266
Flxq_pow_Frobenius 23069523
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 24132932
Flxq_pow_table 0
Flxq_pow_table_pre 4391
Flxq_powers 232009
Flxq_powers_pre 22430682
Flxq_powu 488338
Flxq_powu_pre 24178259
Flxq_sqr 2763153
Flxq_sqr_pre 275327323
Flxq_sqrt 230547
Flxq_sqrt_pre 230547
Flxq_sqrtl_spec_pre 37667
Flxq_sqrtn 23095
Flxq_sqrtn_spec_pre 21899
Flxq_sumautsum_msqr 40915
Flxq_sumautsum_pre 210713
Flxq_sumautsum_sqr 295314
Flxq_trace 4696
Flxq_transmul 4212319
Flxq_transmul_init 1746219
RgXV_to_FlxV 7
RgX_to_Flx 2249956
Rg_to_F2 1710354
Rg_to_Fl 73210152
Rg_to_Flxq 3588290
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3813105
ZXV_to_FlxV 0
ZX_to_Flx 171007232
Z_mod2BIL_Flx 305858
Z_mod2BIL_Flx_2 308788
Z_mod2BIL_Flx_3 0
Z_to_Flx 7556356
ZpX_invLaplace_init 497
_Fl2_mul 1926098
_Fl2_pow 672621
_Fl2_rand 113984
_Fl2_sqr 4913096
_Flx_add 0
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 11787208
_Flx_one 0
_Flx_pow 0
_Flx_sqr 0
_Flxq_add 389834
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 148094247
_Flxq_neg 366572
_Flxq_one 22431362
_Flxq_pow 23062115
_Flxq_powu 68
_Flxq_powu_i 22924485
_Flxq_rand 6571
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 267477682
bounded_order 395393
gener_Flxq 7201
get_Fl_threshold 2329248643
get_Flx_red 988183102
get_Flxq_field 68902
get_Flxq_star 283446
init_invlaplace 12514
int_to_Flx 12216
int_to_Flx_half 507058
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 20987538
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 5657944
kron_unpack_Flx_bits_wide 5668971
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8479564
mkF2 7327486
monomial_Flx 941196
random_Flx 2645784
set_Flxq 68922
set_Flxq_pre 70039342
translate_basecase 42327
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6420521

Generated by: LCOV version 1.16