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: 2025-12-07 09:22:06 Functions: 304 363 83.7 %
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_factorback 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_add 0
_Flx_divrem 0
_Flx_one 0
_Flx_pow 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 3882
Flx_powu_pre 3964
Flxq_pow_table_pre 4393
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5484
_Flxq_rand 6563
_Flxq_s 6567
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_is_l_pow 8139
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 10048
Flx_mulspec_mulii 10138
Flx_sqrspec_quartsqri 10218
Flx_Fl2_eval_pre 10773
Flx_sqrspec_sqri_inflate 11522
Flv_inv_inplace 12017
zl_Xp1_powu 12017
int_to_Flx 12213
init_invlaplace 12514
Flx_halve 14047
Flx_diff1 14448
Flx_translate1 17108
Flx_halfres_split 19964
Flxq_autpow_msqr 20697
Flxq_sqrtn_spec_pre 21901
FlxM_eval_powers_pre 22302
Flxq_sqrtn 23095
Flx_invBarrett_Newton 23160
ZM_unpack_FlxM 23421
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 25999
Flx_Laplace 27345
Flx_composedsum 27549
FlxV_composedsum 28967
Flx_translate1_basecase 29202
Flx_mod_Xn1 31771
FlxV_Flc_mul 34482
Fl_Flxq_log 35542
Flxq_sqrtl_spec_pre 37667
Flxq_sumautsum_msqr 40915
translate_basecase 42367
kron_unpack_Flx 42785
Flxq_minpoly 45993
FlxM_pack_ZM 46835
Flxq_autpow_sqr 47318
Flv_inv_indir 51282
kron_pack_Flx_spec 53168
Flx_Newton 54095
Flx_invLaplace 54356
Flxn_div 55135
Flxn_div_pre 55172
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65765
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flxq_autpow_pre 69449
Flx_to_FlxX 71643
Flx_is_smooth 74256
Flxn_mul 75840
Fl2_sqrtn_pre 78444
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_Frobenius 86486
Flx_matFrobenius_pre 86569
Flx_mulspec_quartmulii 97164
Flxq_order 97328
Flxq_autsum_pre 98772
Flv_Flm_polint 103492
FlxC_to_ZXC 104060
Flxq_autsum_sqr 105119
int_to_Flx_quart 107385
Flx_fromNewton 109400
Flxn_expint 109400
Flxq_autsum_mul 112484
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
FlxM_pack_ZM_bits 116239
_Fl2_rand 118251
Flx_is_smooth_pre 118313
Flx_is_smooth_squarefree 126397
Fl2_norm_pre 128221
Flx_invBarrett_basecase 134339
Flx_extgcd_halfgcd 146655
Flx_splitting 147666
Flx_Fl_sub 151852
Flv_invVandermonde 153445
Flx_invBarrett_pre 158800
Flx_inflate 161016
Flxq_log 164217
Flxq_matrix_pow_pre 170665
FlxV_to_Flm 171879
Fl2_inv_pre 201956
Flx_to_int_quartspec 204546
Flxq_sumautsum_pre 210713
Flxn_recip 217273
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_powers 232066
FlxqC_red_pre 234845
Flxq_div 237864
Flx_mulspec_mulii_inflate 282089
get_Flxq_star 283446
Z_mod2BIL_Flx 293611
Flxq_sumautsum_sqr 295314
Z_mod2BIL_Flx_2 296541
FlxT_red 297201
FlxC_eval_powers_pre 325156
Flxq_inv 335771
Flx_sqr 354699
_Flxq_neg 366572
_Flxq_add 389834
bounded_order 395388
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416803
Flx_deflate 421064
Flx_integXn 422719
Flxq_norm 443336
Fl2_equal1 462441
Flx_to_int_halfspec 468821
Flxq_powu 488424
int_to_Flx_half 507268
Flxn_mulhigh 516682
Flx_blocks 516794
Flxq_easylog 519371
Flx_eval2BILspec 579089
Flx_divrem_Barrett 605469
FlxV_to_ZXV 606928
Flxq_auttrace_sqr 655503
Flxq_invsafe 670622
kron_pack_Flx_spec_half 688104
_Fl2_pow 689982
Fl2_pow_pre 689992
Flx_sqrspec_Kronecker 691187
Flxq_auttrace_mul 783088
Flx_Flxq_eval 791735
Flv_roots_to_pol 795639
Flxq_minpoly_pre 812438
Flx_extgcd 857297
Flx_halfgcd_pre 876067
Flx_subspec 898487
Flx_divrem_Barrettspec 906004
Flx_mulhigh_i 938419
monomial_Flx 944409
Flxq_pow 948339
Flxq_auttrace_pre 962924
Flx_triple 1049887
Flx_halfgcd_all_i 1129601
Flx_halfgcd_all_pre 1129601
Flx_halfres_basecase 1136681
Flx_halfres_i 1156645
_Flxq_rmul 1461838
Flv_polint 1486578
_Flxq_red 1550928
Rg_to_F2 1710409
Flv_inv 1744796
Flv_producttree 1746002
Flxq_transmul_init 1752106
Flv_inv_i 1756806
Flx_neg_inplace 1778757
Flx_Flv_multieval_tree 1786306
Flx_red 1883503
_Fl2_mul 1985340
Fl2_mul_pre 2014372
Flx_lgrenormalizespec 2134626
RgX_to_Flx 2250308
Flxq_div_pre 2417764
Flx_double 2445177
Flx_Flxq_eval_pre 2449835
FlvV_polint_tree 2540880
random_Flx 2652070
Flxq_sqr 2763153
FlxV_to_ZXV_inplace 3032195
Flx_negspec 3265247
Flx_neg 3265251
Rg_to_Flxq 3598792
Flx_addshift 3728641
ZXT_to_FlxT 3814292
Flxq_transmul 4226864
Flxq_inv_pre 4287565
Flx_val 4483882
Flx_resultant 4735985
Flx_mod_Xnm1 5056471
Fl2_sqr_pre 5073802
_Fl2_sqr 5073839
Flxn_mul_pre 5167359
Flxq_invsafe_pre 5432402
kron_unpack_Flx_bits_wide 5609452
kron_unpack_Flx_bits_narrow 5659807
Flx_extgcd_basecase 6289644
Flx_extgcd_pre 6289664
Flxn_red 6338399
zx_to_Flx 6522384
Flx_addspec 7257702
Flx_mulspec_Kronecker 7296414
Flx_recipspec 7305065
Flx_Fl_mul 7328913
mkF2 7558591
Z_to_Flx 7561666
maxbitcoeffpol 8409909
Flx_is_squarefree 9184481
Flx_Fl_add 10030963
_Flx_mul 11010409
Flx_Fl_mul_to_monic 12030166
Flx_blocks_Flm 12988709
FlxV_to_Flm_lg 12989642
Flx_FlxqV_eval_pre 13188157
Flxq_mul 13192369
Flx_Frobenius_pre 13819685
Flx_get_red 14511398
Flx_resultant_basecase_pre 14621633
Flx_resultant_pre 14623892
Flx_Fl_mul_pre 18298493
Flv_inv_pre_inplace 19641482
Flx_eval 20409711
kron_pack_Flx_spec_bits 20876953
Fl_to_Flx 21217249
Flv_inv_pre_indir 21374302
_Flxq_one 22454232
Flxq_powers_pre 22454318
Flx_deriv 22989772
_Flxq_powu_i 23111758
_Flxq_pow 23252153
Flxq_pow_Frobenius 23259565
Flxq_pow_pre 24323122
Flxq_powu_pre 24367174
Flv_to_Flx 25522529
Flx_shift 27421257
Flx_valrem 27423719
Flx_equal 27812583
Flx_mul 27827745
Flx_divrem 30450550
Flx_gcd 34255707
Flx_div_by_X_x 34743727
Flx_to_ZX_inplace 36572566
Flx_to_ZX 38307821
Flx_rem 42213647
Flx_eval_powers_pre 48522550
Flx_divrem_basecase 62326623
Flx_normalize 63974160
Flx_add 64927754
Flx_to_Flv 66715467
set_Flxq_pre 70439759
Rg_to_Fl 73223144
Flx_divrem_pre 79758415
Flx_gcd_basecase 85194969
Flx_gcd_pre 86861313
Flx_get_red_pre 98223448
Flx_eval_pre 136364135
Flx_sub 138711072
_Flxq_mul 149555990
ZX_to_Flx 171024561
Flxq_mul_pre 190766039
_Flxq_sqr 270544178
Flxq_sqr_pre 278353503
Flx_sqr_pre 279323741
Flx_sqrspec 279661102
Flx_sqrspec_basecase 279706598
Flx_mulspec_basecase 347192839
Flx_mul_pre 378843343
Flx_mulspec 384552153
Flx_shiftip 635085442
Flx_rem_basecase 804041750
Flx_rem_pre 928085825
get_Flx_red 992124102
Flx_mullimb 1191984890
Flx_renormalize 2158021781
get_Fl_threshold 2336082117
Flx_mullimb_ok 3393290989

Generated by: LCOV version 1.16