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 30483-b6b1f87815) Lines: 2553 2914 87.6 %
Date: 2025-09-12 09:24:16 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 463010
Fl2_inv_pre 202184
Fl2_mul_pre 2015685
Fl2_norm_pre 128082
Fl2_pow_pre 690770
Fl2_sqr_pre 5078661
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78490
Fl_Flxq_log 35548
Fl_Xp1_powu 0
Fl_to_Flx 21227459
Flm_to_FlxV 2772
FlvV_polint_tree 2540744
Flv_Flm_polint 103477
Flv_inv 1744762
Flv_invVandermonde 153445
Flv_inv_i 1756775
Flv_inv_indir 51283
Flv_inv_inplace 12017
Flv_inv_pre 10048
Flv_inv_pre_indir 21316867
Flv_inv_pre_inplace 19581854
Flv_polint 1486561
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1745960
Flv_roots_to_pol 795681
Flv_to_Flx 25485176
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 325157
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 290010
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28981
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171879
FlxV_to_Flm_lg 12969976
FlxV_to_FlxX 397977
FlxV_to_ZXV 606886
FlxV_to_ZXV_inplace 3029138
Flx_Fl2_eval_pre 10528
Flx_Fl_add 10025629
Flx_Fl_mul 7324974
Flx_Fl_mul_pre 18289924
Flx_Fl_mul_to_monic 12026834
Flx_Fl_sub 151841
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786262
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13168689
Flx_Flxq_eval 790632
Flx_Flxq_eval_pre 2444599
Flx_Frobenius 86484
Flx_Frobenius_pre 13811617
Flx_Laplace 27367
Flx_Newton 54145
Flx_add 64858432
Flx_addmulmul 416638
Flx_addshift 3684967
Flx_addspec 7170354
Flx_blocks 517017
Flx_blocks_Flm 12969258
Flx_composedprod 0
Flx_composedsum 27577
Flx_convol 0
Flx_deflate 420979
Flx_deriv 22987061
Flx_diff1 13482
Flx_digits 0
Flx_div_by_X_x 34782333
Flx_divrem 30450494
Flx_divrem_Barrett 603496
Flx_divrem_Barrettspec 904709
Flx_divrem_basecase 62300857
Flx_divrem_pre 79741446
Flx_double 2445177
Flx_equal 27629362
Flx_eval 20410385
Flx_eval2BILspec 579085
Flx_eval_powers_pre 48469622
Flx_eval_pre 136366002
Flx_extgcd 857240
Flx_extgcd_basecase 6286274
Flx_extgcd_halfgcd 146585
Flx_extgcd_pre 6286273
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109428
Flx_gcd 34269773
Flx_gcd_basecase 85209536
Flx_gcd_pre 86872837
Flx_get_red 14501155
Flx_get_red_pre 97976830
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1128565
Flx_halfgcd_all_pre 1128570
Flx_halfgcd_pre 874444
Flx_halfres_basecase 1135643
Flx_halfres_i 1155610
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 159984
Flx_integ 0
Flx_integXn 422839
Flx_invBarrett 0
Flx_invBarrett_Newton 23160
Flx_invBarrett_basecase 134339
Flx_invBarrett_pre 158800
Flx_invLaplace 54419
Flx_is_l_pow 8245
Flx_is_smooth 74256
Flx_is_smooth_pre 119223
Flx_is_smooth_squarefree 127419
Flx_is_squarefree 9184143
Flx_lgrenormalizespec 2131517
Flx_matFrobenius 0
Flx_matFrobenius_pre 86568
Flx_mod_Xn1 31764
Flx_mod_Xnm1 5056832
Flx_mul 27829595
Flx_mul_pre 378344749
Flx_mulhigh_i 938789
Flx_mullimb 1185076710
Flx_mullimb_ok 3397353460
Flx_mulspec 383894829
Flx_mulspec_Kronecker 7259813
Flx_mulspec_basecase 346522936
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10144
Flx_mulspec_mulii_inflate 282087
Flx_mulspec_quartmulii 97160
Flx_neg 3263383
Flx_neg_inplace 1756920
Flx_negspec 3263380
Flx_normalize 63986193
Flx_powu 0
Flx_powu_pre 3849
Flx_recip 0
Flx_recipspec 7292997
Flx_red 1877038
Flx_rem 42215355
Flx_rem_basecase 803104107
Flx_rem_pre 927576346
Flx_renormalize 2157106203
Flx_rescale 1117
Flx_resultant 4734103
Flx_resultant_basecase_pre 14620469
Flx_resultant_pre 14622468
Flx_shift 27394331
Flx_shiftip 634427295
Flx_splitting 146870
Flx_sqr 354543
Flx_sqr_pre 279016767
Flx_sqrspec 279305422
Flx_sqrspec_Kronecker 691073
Flx_sqrspec_basecase 279542790
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2069
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138684588
Flx_subspec 897022
Flx_to_Flv 66634373
Flx_to_FlxX 71629
Flx_to_ZX 38303539
Flx_to_ZX_inplace 36572865
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204539
Flx_translate1 16142
Flx_translate1_basecase 28236
Flx_triple 1049887
Flx_unscale 0
Flx_val 4478116
Flx_valrem 27463226
Flxn_div 55193
Flxn_div_pre 55228
Flxn_exp 0
Flxn_expint 109421
Flxn_inv 1037
Flxn_mul 75875
Flxn_mul_pre 5163272
Flxn_mulhigh 516926
Flxn_recip 217443
Flxn_red 6334425
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 67490
Flxq_autpow_sqr 46249
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112472
Flxq_autsum_pre 98768
Flxq_autsum_sqr 105110
Flxq_auttrace 0
Flxq_auttrace_mul 782857
Flxq_auttrace_pre 962451
Flxq_auttrace_sqr 655323
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519239
Flxq_inv 335769
Flxq_inv_pre 4284285
Flxq_invsafe 670642
Flxq_invsafe_pre 5429050
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 44915
Flxq_minpoly_pre 810885
Flxq_mul 13191078
Flxq_mul_pre 190297564
Flxq_norm 443333
Flxq_order 97328
Flxq_pow 948316
Flxq_pow_Frobenius 23062884
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 24120086
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232067
Flxq_powers_pre 22438537
Flxq_powu 488417
Flxq_powu_pre 24360251
Flxq_sqr 2759492
Flxq_sqr_pre 278031429
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_sqrtl_spec_pre 35707
Flxq_sqrtn 20455
Flxq_sqrtn_spec_pre 19262
Flxq_sumautsum_msqr 40558
Flxq_sumautsum_pre 208704
Flxq_sumautsum_sqr 292682
Flxq_trace 4696
Flxq_transmul 4218587
Flxq_transmul_init 1748858
RgXV_to_FlxV 7
RgX_to_Flx 2250306
Rg_to_F2 1706824
Rg_to_Fl 73224531
Rg_to_Flxq 3598589
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3812443
ZXV_to_FlxV 0
ZX_to_Flx 171029671
Z_mod2BIL_Flx 293609
Z_mod2BIL_Flx_2 296539
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561398
ZpX_invLaplace_init 497
_Fl2_mul 1987253
_Fl2_pow 690768
_Fl2_rand 118359
_Fl2_sqr 5078652
_Flx_add 389834
_Flx_composedsum 3910
_Flx_divrem 0
_Flx_mul 11010311
_Flx_sqr 0
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 149114661
_Flxq_neg 366572
_Flxq_one 22437827
_Flxq_pow 23055476
_Flxq_powu 68
_Flxq_powu_i 23104589
_Flxq_rand 5588
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 270171288
bounded_order 394051
gener_Flxq 7201
get_Fl_threshold 2333494880
get_Flx_red 991595558
get_Flxq_field 68902
get_Flxq_star 280807
init_invlaplace 12514
int_to_Flx 12216
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 20803809
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 5653795
kron_unpack_Flx_bits_wide 5578561
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8373114
mkF2 7565152
monomial_Flx 942861
random_Flx 2646963
set_Flxq 68922
set_Flxq_pre 70219814
translate_basecase 41401
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6515051

Generated by: LCOV version 1.16