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 30550-07450a7a86) Lines: 2553 2914 87.6 %
Date: 2025-11-18 09:22:37 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 463260
Fl2_inv_pre 202230
Fl2_mul_pre 2017077
Fl2_norm_pre 128225
Fl2_pow_pre 691042
Fl2_sqr_pre 5080633
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78496
Fl_Flxq_log 35538
Fl_Xp1_powu 0
Fl_to_Flx 21217520
Flm_to_FlxV 2772
FlvV_polint_tree 2540750
Flv_Flm_polint 103491
Flv_inv 1744798
Flv_invVandermonde 153445
Flv_inv_i 1756812
Flv_inv_indir 51282
Flv_inv_inplace 12017
Flv_inv_pre 10048
Flv_inv_pre_indir 21441888
Flv_inv_pre_inplace 19717681
Flv_polint 1486588
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1746001
Flv_roots_to_pol 795613
Flv_to_Flx 25513995
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 325153
FlxC_neg 0
FlxC_sub 0
FlxC_to_ZXC 104060
FlxM_Fl_translate 0
FlxM_Flx_add_shallow 0
FlxM_Flx_mul2 25999
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 295153
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28962
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171879
FlxV_to_Flm_lg 12984231
FlxV_to_FlxX 397977
FlxV_to_ZXV 606914
FlxV_to_ZXV_inplace 3031460
Flx_Fl2_eval_pre 10773
Flx_Fl_add 10029490
Flx_Fl_mul 7327619
Flx_Fl_mul_pre 18298686
Flx_Fl_mul_to_monic 12029729
Flx_Fl_sub 151834
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786303
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13183091
Flx_Flxq_eval 791721
Flx_Flxq_eval_pre 2448931
Flx_Frobenius 86486
Flx_Frobenius_pre 13816865
Flx_Laplace 27354
Flx_Newton 54101
Flx_add 64913385
Flx_addmulmul 416797
Flx_addshift 3728641
Flx_addspec 7257702
Flx_blocks 517188
Flx_blocks_Flm 12983554
Flx_composedprod 0
Flx_composedsum 27551
Flx_convol 0
Flx_deflate 421027
Flx_deriv 22988672
Flx_diff1 14448
Flx_digits 0
Flx_div_by_X_x 34755052
Flx_divrem 30452825
Flx_divrem_Barrett 604905
Flx_divrem_Barrettspec 905800
Flx_divrem_basecase 62324966
Flx_divrem_pre 79766653
Flx_double 2445177
Flx_equal 26925798
Flx_eval 20416697
Flx_eval2BILspec 579091
Flx_eval_powers_pre 48633124
Flx_eval_pre 136394121
Flx_extgcd 857258
Flx_extgcd_basecase 6289645
Flx_extgcd_halfgcd 146649
Flx_extgcd_pre 6289656
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109403
Flx_gcd 34259984
Flx_gcd_basecase 85210617
Flx_gcd_pre 86876582
Flx_get_red 14507478
Flx_get_red_pre 97339218
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1129790
Flx_halfgcd_all_pre 1129795
Flx_halfgcd_pre 875635
Flx_halfres_basecase 1136867
Flx_halfres_i 1156834
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160463
Flx_integ 0
Flx_integXn 422798
Flx_invBarrett 0
Flx_invBarrett_Newton 23161
Flx_invBarrett_basecase 134340
Flx_invBarrett_pre 158801
Flx_invLaplace 54373
Flx_is_l_pow 8204
Flx_is_smooth 74256
Flx_is_smooth_pre 118965
Flx_is_smooth_squarefree 127204
Flx_is_squarefree 9184122
Flx_lgrenormalizespec 2134039
Flx_matFrobenius 0
Flx_matFrobenius_pre 86562
Flx_mod_Xn1 31764
Flx_mod_Xnm1 5057253
Flx_mul 27834533
Flx_mul_pre 377277152
Flx_mulhigh_i 939050
Flx_mullimb 1187258704
Flx_mullimb_ok 3382586454
Flx_mulspec 382857956
Flx_mulspec_Kronecker 7294801
Flx_mulspec_basecase 345256533
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10144
Flx_mulspec_mulii_inflate 282090
Flx_mulspec_quartmulii 97166
Flx_neg 3264705
Flx_neg_inplace 1778757
Flx_negspec 3264682
Flx_normalize 63979171
Flx_powu 0
Flx_powu_pre 3932
Flx_recip 0
Flx_recipspec 7302548
Flx_red 1881621
Flx_rem 42226787
Flx_rem_basecase 801511749
Flx_rem_pre 926172962
Flx_renormalize 2153389125
Flx_rescale 1117
Flx_resultant 4735167
Flx_resultant_basecase_pre 14621521
Flx_resultant_pre 14623476
Flx_shift 27414367
Flx_shiftip 632792892
Flx_splitting 147434
Flx_sqr 354640
Flx_sqr_pre 279333606
Flx_sqrspec 279453407
Flx_sqrspec_Kronecker 691201
Flx_sqrspec_basecase 278739036
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2068
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138714397
Flx_subspec 898327
Flx_to_Flv 66699918
Flx_to_FlxX 71629
Flx_to_ZX 38306659
Flx_to_ZX_inplace 36578677
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204550
Flx_translate1 17108
Flx_translate1_basecase 29202
Flx_triple 1049887
Flx_unscale 0
Flx_val 4494568
Flx_valrem 27437246
Flxn_div 55195
Flxn_div_pre 55210
Flxn_exp 0
Flxn_expint 109399
Flxn_inv 1037
Flxn_mul 75840
Flxn_mul_pre 5168832
Flxn_mulhigh 517109
Flxn_recip 217401
Flxn_red 6340079
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 69452
Flxq_autpow_sqr 47315
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112480
Flxq_autsum_pre 98770
Flxq_autsum_sqr 105116
Flxq_auttrace 0
Flxq_auttrace_mul 782846
Flxq_auttrace_pre 962556
Flxq_auttrace_sqr 655326
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417763
Flxq_easylog 519352
Flxq_inv 335772
Flxq_inv_pre 4287537
Flxq_invsafe 670699
Flxq_invsafe_pre 5432412
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 170660
Flxq_minpoly 45979
Flxq_minpoly_pre 812002
Flxq_mul 13192538
Flxq_mul_pre 189179206
Flxq_norm 443321
Flxq_order 97328
Flxq_pow 948342
Flxq_pow_Frobenius 22379264
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23442770
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232074
Flxq_powers_pre 22449835
Flxq_powu 488412
Flxq_powu_pre 24368803
Flxq_sqr 2763156
Flxq_sqr_pre 278313111
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_sqrtl_spec_pre 37666
Flxq_sqrtn 23095
Flxq_sqrtn_spec_pre 21900
Flxq_sumautsum_msqr 40915
Flxq_sumautsum_pre 210713
Flxq_sumautsum_sqr 295314
Flxq_trace 4696
Flxq_transmul 4224730
Flxq_transmul_init 1751250
RgXV_to_FlxV 7
RgX_to_Flx 2250309
Rg_to_F2 1710359
Rg_to_Fl 73222923
Rg_to_Flxq 3598599
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3813841
ZXV_to_FlxV 0
ZX_to_Flx 171037205
Z_mod2BIL_Flx 293612
Z_mod2BIL_Flx_2 296542
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561606
ZpX_invLaplace_init 497
_Fl2_mul 1988049
_Fl2_pow 691026
_Fl2_rand 118452
_Fl2_sqr 5080615
_Flx_add 389834
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 11006992
_Flx_sqr 0
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 147934837
_Flxq_neg 366572
_Flxq_one 22449780
_Flxq_pow 22371854
_Flxq_powu 68
_Flxq_powu_i 23112568
_Flxq_rand 6564
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 270313904
bounded_order 395387
gener_Flxq 7201
get_Fl_threshold 2329589122
get_Flx_red 990232489
get_Flxq_field 68902
get_Flxq_star 283446
init_invlaplace 12514
int_to_Flx 12217
int_to_Flx_half 507268
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 20873954
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 5658126
kron_unpack_Flx_bits_wide 5610496
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8407823
mkF2 7569840
monomial_Flx 943971
random_Flx 2651270
set_Flxq 68922
set_Flxq_pre 69560734
translate_basecase 42367
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6537849

Generated by: LCOV version 1.16