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 30571-c0dfe82732) Lines: 2553 2925 87.3 %
Date: 2025-12-10 09:22:03 Functions: 304 363 83.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 462396
Fl2_inv_pre 201955
Fl2_mul_pre 2013911
Fl2_norm_pre 128208
Fl2_pow_pre 689884
Fl2_sqr_pre 5073199
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78399
Fl_Flxq_log 35543
Fl_Xp1_powu 0
Fl_to_Flx 21212962
Flm_to_FlxV 2772
FlvV_polint_tree 2540851
Flv_Flm_polint 103489
Flv_inv 1744816
Flv_invVandermonde 153445
Flv_inv_i 1756823
Flv_inv_indir 51277
Flv_inv_inplace 12017
Flv_inv_pre 10047
Flv_inv_pre_indir 21407626
Flv_inv_pre_inplace 19680755
Flv_polint 1486597
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1746020
Flv_roots_to_pol 795656
Flv_to_Flx 25522114
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 297227
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28967
FlxV_factorback 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171871
FlxV_to_Flm_lg 12989609
FlxV_to_FlxX 397977
FlxV_to_ZXV 606945
FlxV_to_ZXV_inplace 3032258
Flx_Fl2_eval_pre 10773
Flx_Fl_add 10029767
Flx_Fl_mul 7327517
Flx_Fl_mul_pre 18297747
Flx_Fl_mul_to_monic 12030131
Flx_Fl_sub 151858
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786321
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13188157
Flx_Flxq_eval 791744
Flx_Flxq_eval_pre 2449841
Flx_Frobenius 86485
Flx_Frobenius_pre 13820685
Flx_Laplace 27342
Flx_Newton 54104
Flx_add 64924012
Flx_addmulmul 416799
Flx_addshift 3728641
Flx_addspec 7257702
Flx_blocks 516890
Flx_blocks_Flm 12988579
Flx_composedprod 0
Flx_composedsum 27550
Flx_convol 0
Flx_deflate 421074
Flx_deriv 22990982
Flx_diff1 14448
Flx_digits 0
Flx_div_by_X_x 34767784
Flx_divrem 30451842
Flx_divrem_Barrett 605469
Flx_divrem_Barrettspec 906167
Flx_divrem_basecase 62332121
Flx_divrem_pre 79764676
Flx_double 2445177
Flx_equal 26941644
Flx_eval 20411294
Flx_eval2BILspec 579089
Flx_eval_powers_pre 48572596
Flx_eval_pre 136366616
Flx_extgcd 857300
Flx_extgcd_basecase 6289827
Flx_extgcd_halfgcd 146652
Flx_extgcd_pre 6289836
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109398
Flx_gcd 34267386
Flx_gcd_basecase 85217223
Flx_gcd_pre 86880838
Flx_get_red 14512886
Flx_get_red_pre 97360927
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1129857
Flx_halfgcd_all_pre 1129857
Flx_halfgcd_pre 876207
Flx_halfres_basecase 1136937
Flx_halfres_i 1156902
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160694
Flx_integ 0
Flx_integXn 422740
Flx_invBarrett 0
Flx_invBarrett_Newton 23161
Flx_invBarrett_basecase 134339
Flx_invBarrett_pre 158801
Flx_invLaplace 54372
Flx_is_l_pow 8185
Flx_is_smooth 74256
Flx_is_smooth_pre 118479
Flx_is_smooth_squarefree 126606
Flx_is_squarefree 9184490
Flx_lgrenormalizespec 2134889
Flx_matFrobenius 0
Flx_matFrobenius_pre 86565
Flx_mod_Xn1 31771
Flx_mod_Xnm1 5056872
Flx_mul 27829578
Flx_mul_pre 377138039
Flx_mulhigh_i 938648
Flx_mullimb 1189308600
Flx_mullimb_ok 3371329796
Flx_mulspec 382836085
Flx_mulspec_Kronecker 7295912
Flx_mulspec_basecase 345464253
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10144
Flx_mulspec_mulii_inflate 282089
Flx_mulspec_quartmulii 97164
Flx_neg 3265134
Flx_neg_inplace 1778757
Flx_negspec 3265137
Flx_normalize 64000282
Flx_powu 0
Flx_powu_pre 3961
Flx_recip 0
Flx_recipspec 7306238
Flx_red 1883538
Flx_rem 42216813
Flx_rem_basecase 801520400
Flx_rem_pre 925736255
Flx_renormalize 2153581676
Flx_rescale 1117
Flx_resultant 4736316
Flx_resultant_basecase_pre 14622548
Flx_resultant_pre 14624606
Flx_shift 27423621
Flx_shiftip 632617688
Flx_splitting 147668
Flx_sqr 354705
Flx_sqr_pre 278525619
Flx_sqrspec 278851949
Flx_sqrspec_Kronecker 691215
Flx_sqrspec_basecase 278879522
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2068
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138718317
Flx_subspec 898667
Flx_to_Flv 66714085
Flx_to_FlxX 71643
Flx_to_ZX 38307556
Flx_to_ZX_inplace 36573988
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204549
Flx_translate1 17108
Flx_translate1_basecase 29202
Flx_triple 1049887
Flx_unscale 0
Flx_val 4488276
Flx_valrem 27445266
Flxn_div 55156
Flxn_div_pre 55188
Flxn_exp 0
Flxn_expint 109401
Flxn_inv 1037
Flxn_mul 75849
Flxn_mul_pre 5168868
Flxn_mulhigh 516791
Flxn_recip 217320
Flxn_red 6340434
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 69456
Flxq_autpow_sqr 47324
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112490
Flxq_autsum_pre 98774
Flxq_autsum_sqr 105124
Flxq_auttrace 0
Flxq_auttrace_mul 782957
Flxq_auttrace_pre 962890
Flxq_auttrace_sqr 655414
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519368
Flxq_inv 335770
Flxq_inv_pre 4287559
Flxq_invsafe 670759
Flxq_invsafe_pre 5432549
Flxq_is2npower 0
Flxq_issquare 404492
Flxq_log 164216
Flxq_lroot 0
Flxq_lroot_fast 0
Flxq_lroot_fast_pre 113589
Flxq_lroot_pre 25053
Flxq_matrix_pow 399
Flxq_matrix_pow_pre 170655
Flxq_minpoly 45993
Flxq_minpoly_pre 812426
Flxq_mul 13192522
Flxq_mul_pre 189055586
Flxq_norm 443327
Flxq_order 97328
Flxq_pow 948433
Flxq_pow_Frobenius 22390044
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23453700
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232081
Flxq_powers_pre 22456299
Flxq_powu 488424
Flxq_powu_pre 24367807
Flxq_sqr 2763153
Flxq_sqr_pre 277565298
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_sqrtl_spec_pre 37665
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 4227348
Flxq_transmul_init 1752368
RgXV_to_FlxV 7
RgX_to_Flx 2250312
Rg_to_F2 1710408
Rg_to_Fl 73223585
Rg_to_Flxq 3598682
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3814360
ZXV_to_FlxV 0
ZX_to_Flx 171021847
Z_mod2BIL_Flx 293611
Z_mod2BIL_Flx_2 296541
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561781
ZpX_invLaplace_init 497
_Fl2_mul 1984893
_Fl2_pow 689872
_Fl2_rand 118261
_Fl2_sqr 5073211
_Flx_add 0
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 11009753
_Flx_one 0
_Flx_pow 0
_Flx_sqr 0
_Flxq_add 389834
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 147845103
_Flxq_neg 366572
_Flxq_one 22456577
_Flxq_pow 22382632
_Flxq_powu 68
_Flxq_powu_i 23112800
_Flxq_rand 6562
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 269756255
bounded_order 395389
gener_Flxq 7201
get_Fl_threshold 2328061795
get_Flx_red 989782433
get_Flxq_field 68902
get_Flxq_star 283446
init_invlaplace 12514
int_to_Flx 12214
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 20876465
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 5659789
kron_unpack_Flx_bits_wide 5609390
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8409719
mkF2 7558017
monomial_Flx 944557
random_Flx 2652156
set_Flxq 68922
set_Flxq_pre 69574827
translate_basecase 42367
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6533577

Generated by: LCOV version 1.16