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 30482-15ec328664) Lines: 2553 2914 87.6 %
Date: 2025-09-04 09:23:52 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl_Xp1_powu 0
Flv_prod 0
FlxC_Fl_translate 0
FlxC_FlxqV_eval 0
FlxC_FlxqV_eval_pre 0
FlxC_Flxq_eval 0
FlxC_Flxq_eval_pre 0
FlxC_neg 0
FlxC_sub 0
FlxM_Fl_translate 0
FlxM_Flx_add_shallow 0
FlxM_max_degree 0
FlxM_max_degree_i 0
FlxM_mul 0
FlxM_neg 0
FlxM_sub 0
FlxM_to_FlxXV 0
FlxV_Flx_fromdigits 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_composedprod 0
Flx_convol 0
Flx_digits 0
Flx_halfgcd 0
Flx_integ 0
Flx_invBarrett 0
Flx_matFrobenius 0
Flx_powu 0
Flx_recip 0
Flx_unscale 0
Flxn_exp 0
Flxn_sqr 0
Flxn_sqr_pre 0
FlxqC_Flxq_mul 0
FlxqM_Flxq_mul 0
FlxqV_dotproduct 0
Flxq_autsum 0
Flxq_auttrace 0
Flxq_is2npower 0
Flxq_lroot 0
Flxq_lroot_fast 0
Flxq_pow_init 0
Flxq_pow_table 0
ZXV_to_FlxV 0
Z_mod2BIL_Flx_3 0
_Flx_divrem 0
_Flx_sqr 0
kron_pack_Flx_spec_3 0
kron_unpack_Flx_3 0
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
Flxq_autpow 7
RgXV_to_FlxV 7
matJ2_FlxM 13
Flxq_conjvec 20
Flxq_pow_init_pre 28
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
_Flxq_powu 68
Flx_halfgcd_all 154
Flx_sqrspec_halfsqri 325
Flxq_matrix_pow 399
ZpX_invLaplace_init 497
matid2_FlxM 911
Flxn_inv 1037
Flx_halfres_pre 1044
Flx_rescale 1117
Flxq_autpowers 1667
FlxqX_dotproduct 1918
Flx_sqrspec_sqri 2069
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxM_to_ZXM 2485
Flm_to_FlxV 2772
kron_unpack_Flx_2 2930
Flv_prod_pre 3304
kron_pack_Flx_spec_2 3389
Flxq_charpoly 3624
_Flx_composedsum 3910
Flx_powu_pre 3923
Flxq_pow_table_pre 4394
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5484
_Flxq_rand 5565
_Flxq_s 6567
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_is_l_pow 8171
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 10047
Flx_mulspec_mulii 10142
Flx_sqrspec_quartsqri 10218
Flx_Fl2_eval_pre 10528
Flx_sqrspec_sqri_inflate 11522
Flv_inv_inplace 12017
zl_Xp1_powu 12017
int_to_Flx 12215
init_invlaplace 12514
Flx_diff1 13482
Flx_halve 14047
Flx_translate1 16142
Flxq_sqrtn_spec_pre 19262
Flx_halfres_split 19964
Flxq_sqrtn 20456
Flxq_autpow_msqr 20696
FlxM_eval_powers_pre 22302
Flx_invBarrett_Newton 23161
ZM_unpack_FlxM 23421
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 25999
Flx_Laplace 27378
Flx_composedsum 27576
Flx_translate1_basecase 28236
FlxV_composedsum 28990
Flx_mod_Xn1 31763
FlxV_Flc_mul 34482
Fl_Flxq_log 35530
Flxq_sqrtl_spec_pre 35706
Flxq_sumautsum_msqr 40558
translate_basecase 41401
kron_unpack_Flx 42785
Flxq_minpoly 44915
Flxq_autpow_sqr 46249
FlxM_pack_ZM 46835
Flv_inv_indir 51281
kron_pack_Flx_spec 53168
Flx_Newton 54157
Flx_invLaplace 54436
Flxn_div 55213
Flxn_div_pre 55240
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65765
Flxq_autpow_pre 67490
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flx_to_FlxX 71629
Flx_is_smooth 74256
Flxn_mul 75874
Fl2_sqrtn_pre 78503
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_Frobenius 86485
Flx_matFrobenius_pre 86572
Flx_mulspec_quartmulii 97163
Flxq_order 97328
Flxq_autsum_pre 98768
Flv_Flm_polint 103477
FlxC_to_ZXC 104060
Flxq_autsum_sqr 105110
int_to_Flx_quart 107384
Flx_fromNewton 109426
Flxn_expint 109428
Flxq_autsum_mul 112472
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
FlxM_pack_ZM_bits 116239
Flx_is_smooth_pre 118400
_Fl2_rand 118429
Flx_is_smooth_squarefree 126546
Fl2_norm_pre 128078
Flx_invBarrett_basecase 134340
Flx_extgcd_halfgcd 146586
Flx_splitting 147379
Flx_Fl_sub 151840
Flv_invVandermonde 153445
Flx_invBarrett_pre 158801
Flx_inflate 160414
Flxq_log 164217
Flxq_matrix_pow_pre 170663
FlxV_to_Flm 171885
Fl2_inv_pre 202181
Flx_to_int_quartspec 204545
Flxq_sumautsum_pre 208704
Flxn_recip 217466
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_powers 232065
FlxqC_red_pre 234845
Flxq_div 237864
get_Flxq_star 280807
Flx_mulspec_mulii_inflate 282092
Flxq_sumautsum_sqr 292682
Z_mod2BIL_Flx 293614
FlxT_red 294638
Z_mod2BIL_Flx_2 296544
FlxC_eval_powers_pre 325158
Flxq_inv 335772
Flx_sqr 354629
_Flxq_neg 366572
_Flx_add 389834
bounded_order 394027
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416636
Flx_deflate 420979
Flx_integXn 422875
Flxq_norm 443328
Fl2_equal1 463047
Flx_to_int_halfspec 468821
Flxq_powu 488427
int_to_Flx_half 507268
Flxn_mulhigh 517086
Flx_blocks 517169
Flxq_easylog 519189
Flx_eval2BILspec 579095
Flx_divrem_Barrett 604774
FlxV_to_ZXV 606886
Flxq_auttrace_sqr 655453
Flxq_invsafe 670653
kron_pack_Flx_spec_half 688104
_Fl2_pow 690816
Fl2_pow_pre 690823
Flx_sqrspec_Kronecker 691137
Flxq_auttrace_mul 782997
Flx_Flxq_eval 790613
Flv_roots_to_pol 795680
Flxq_minpoly_pre 810989
Flx_extgcd 857245
Flx_halfgcd_pre 874609
Flx_subspec 897986
Flx_divrem_Barrettspec 905570
Flx_mulhigh_i 938972
monomial_Flx 943037
Flxq_pow 948382
Flxq_auttrace_pre 962583
Flx_triple 1049887
Flx_halfgcd_all_i 1128181
Flx_halfgcd_all_pre 1128186
Flx_halfres_basecase 1135259
Flx_halfres_i 1155225
_Flxq_rmul 1461838
Flv_polint 1486618
_Flxq_red 1550928
Rg_to_F2 1706924
Flv_inv 1744815
Flv_producttree 1746019
Flxq_transmul_init 1749193
Flv_inv_i 1756826
Flx_neg_inplace 1756920
Flx_Flv_multieval_tree 1786320
Flx_red 1881207
_Fl2_mul 1988166
Fl2_mul_pre 2016601
Flx_lgrenormalizespec 2133713
RgX_to_Flx 2250314
Flxq_div_pre 2417764
Flx_Flxq_eval_pre 2444572
Flx_double 2445177
FlvV_polint_tree 2540775
random_Flx 2647241
Flxq_sqr 2759493
FlxV_to_ZXV_inplace 3029149
Flx_negspec 3264625
Flx_neg 3264628
Rg_to_Flxq 3598602
Flx_addshift 3684967
ZXT_to_FlxT 3813760
Flxq_transmul 4219255
Flxq_inv_pre 4284212
Flx_val 4496666
Flx_resultant 4734246
Flx_mod_Xnm1 5057384
Fl2_sqr_pre 5081500
_Fl2_sqr 5081510
Flxn_mul_pre 5163790
Flxq_invsafe_pre 5428989
kron_unpack_Flx_bits_wide 5578560
kron_unpack_Flx_bits_narrow 5657670
Flx_extgcd_pre 6286225
Flx_extgcd_basecase 6286229
Flxn_red 6334931
zx_to_Flx 6543819
Flx_addspec 7170354
Flx_mulspec_Kronecker 7263511
Flx_recipspec 7295905
Flx_Fl_mul 7326065
Z_to_Flx 7561589
mkF2 7568956
maxbitcoeffpol 8377022
Flx_is_squarefree 9184360
Flx_Fl_add 10027922
_Flx_mul 11013245
Flx_Fl_mul_to_monic 12027811
Flx_blocks_Flm 12969749
FlxV_to_Flm_lg 12970388
Flx_FlxqV_eval_pre 13169109
Flxq_mul 13191092
Flx_Frobenius_pre 13811864
Flx_get_red 14501192
Flx_resultant_basecase_pre 14620131
Flx_resultant_pre 14622311
Flx_Fl_mul_pre 18289400
Flv_inv_pre_inplace 19636724
Flx_eval 20403307
kron_pack_Flx_spec_bits 20811749
Fl_to_Flx 21223340
Flv_inv_pre_indir 21374937
_Flxq_pow 22321465
Flxq_pow_Frobenius 22328873
Flxq_powers_pre 22437610
_Flxq_one 22437727
Flx_deriv 22986919
_Flxq_powu_i 23103660
Flxq_pow_pre 23386130
Flxq_powu_pre 24359680
Flv_to_Flx 25486029
Flx_equal 26888436
Flx_shift 27395249
Flx_valrem 27469337
Flx_mul 27822660
Flx_divrem 30450261
Flx_gcd 34269413
Flx_div_by_X_x 34793219
Flx_to_ZX_inplace 36572712
Flx_to_ZX 38304159
Flx_rem 42213984
Flx_eval_powers_pre 48641262
Flx_divrem_basecase 62294233
Flx_normalize 64012880
Flx_add 64864055
Flx_to_Flv 66635727
set_Flxq_pre 69486986
Rg_to_Fl 73224350
Flx_divrem_pre 79735188
Flx_gcd_basecase 85212264
Flx_gcd_pre 86874083
Flx_get_red_pre 97245635
Flx_eval_pre 136358217
Flx_sub 138676195
_Flxq_mul 147640112
ZX_to_Flx 171031601
Flxq_mul_pre 188821838
_Flxq_sqr 269438037
Flxq_sqr_pre 277310688
Flx_sqr_pre 278280764
Flx_sqrspec 278576010
Flx_sqrspec_basecase 278825487
Flx_mulspec_basecase 345070473
Flx_mul_pre 376908574
Flx_mulspec 382476088
Flx_shiftip 632243499
Flx_rem_basecase 800929742
Flx_rem_pre 925477083
get_Flx_red 989479609
Flx_mullimb 1186599548
Flx_renormalize 2152821673
get_Fl_threshold 2326348268
Flx_mullimb_ok 3364858129

Generated by: LCOV version 1.16