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 30569-8181146aa1) Lines: 2553 2925 87.3 %
Date: 2025-12-02 09:22:09 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_powu_pre 3880
_Flx_composedsum 3882
Flxq_pow_table_pre 4393
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5484
_Flxq_rand 6552
_Flxq_s 6567
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_is_l_pow 8198
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 10049
Flx_mulspec_mulii 10139
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 12216
init_invlaplace 12514
Flx_halve 14047
Flx_diff1 14360
Flx_translate1 17020
Flx_halfres_split 19964
Flxq_autpow_msqr 20696
Flxq_sqrtn_spec_pre 21901
FlxM_eval_powers_pre 22302
Flxq_sqrtn 23094
Flx_invBarrett_Newton 23161
ZM_unpack_FlxM 23421
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 26000
Flx_Laplace 27344
Flx_composedsum 27546
FlxV_composedsum 28957
Flx_translate1_basecase 29103
Flx_mod_Xn1 31769
FlxV_Flc_mul 34482
Fl_Flxq_log 35543
Flxq_sqrtl_spec_pre 37667
Flxq_sumautsum_msqr 40915
translate_basecase 42270
kron_unpack_Flx 42785
Flxq_minpoly 45993
FlxM_pack_ZM 46835
Flxq_autpow_sqr 47313
Flv_inv_indir 51279
kron_pack_Flx_spec 53168
Flx_Newton 54090
Flx_invLaplace 54353
Flxn_div 55137
Flxn_div_pre 55162
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65765
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flxq_autpow_pre 69448
Flx_to_FlxX 71643
Flx_is_smooth 74256
Flxn_mul 75840
Fl2_sqrtn_pre 78490
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_Frobenius 86485
Flx_matFrobenius_pre 86565
Flx_mulspec_quartmulii 97165
Flxq_order 97328
Flxq_autsum_pre 98768
Flv_Flm_polint 103494
FlxC_to_ZXC 104060
Flxq_autsum_sqr 105110
int_to_Flx_quart 107385
Flx_fromNewton 109398
Flxn_expint 109398
Flxq_autsum_mul 112472
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
FlxM_pack_ZM_bits 116239
_Fl2_rand 118378
Flx_is_smooth_pre 118569
Flx_is_smooth_squarefree 126733
Fl2_norm_pre 128229
Flx_invBarrett_basecase 134341
Flx_extgcd_halfgcd 146652
Flx_splitting 147098
Flx_Fl_sub 151855
Flv_invVandermonde 153445
Flx_invBarrett_pre 158802
Flx_inflate 160108
Flxq_log 164217
Flxq_matrix_pow_pre 170656
FlxV_to_Flm 171872
Fl2_inv_pre 202419
Flx_to_int_quartspec 204548
Flxq_sumautsum_pre 210713
Flxn_recip 217253
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_powers 232045
FlxqC_red_pre 234845
Flxq_div 237864
Flx_mulspec_mulii_inflate 282087
get_Flxq_star 283445
FlxT_red 292100
Z_mod2BIL_Flx 293609
Flxq_sumautsum_sqr 295314
Z_mod2BIL_Flx_2 296539
FlxC_eval_powers_pre 325157
Flxq_inv 335769
Flx_sqr 354602
_Flxq_neg 366572
_Flxq_add 389834
bounded_order 395371
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416795
Flx_deflate 421057
Flx_integXn 422710
Flxq_norm 443320
Fl2_equal1 463388
Flx_to_int_halfspec 468821
Flxq_powu 488417
int_to_Flx_half 507268
Flxn_mulhigh 516570
Flx_blocks 516684
Flxq_easylog 519371
Flx_eval2BILspec 579085
Flx_divrem_Barrett 604071
FlxV_to_ZXV 606906
Flxq_auttrace_sqr 655445
Flxq_invsafe 670626
kron_pack_Flx_spec_half 688104
Flx_sqrspec_Kronecker 691120
_Fl2_pow 691294
Fl2_pow_pre 691309
Flxq_auttrace_mul 782990
Flx_Flxq_eval 791720
Flv_roots_to_pol 795620
Flxq_minpoly_pre 812457
Flx_extgcd 857316
Flx_halfgcd_pre 876251
Flx_subspec 897122
Flx_divrem_Barrettspec 904631
Flx_mulhigh_i 938208
monomial_Flx 944589
Flxq_pow 948330
Flxq_auttrace_pre 962898
Flx_triple 1049887
Flx_halfgcd_all_i 1130020
Flx_halfgcd_all_pre 1130025
Flx_halfres_basecase 1137097
Flx_halfres_i 1157064
_Flxq_rmul 1461838
Flv_polint 1486593
_Flxq_red 1550928
Rg_to_F2 1710299
Flv_inv 1744809
Flv_producttree 1746020
Flxq_transmul_init 1752474
Flv_inv_i 1756821
Flx_neg_inplace 1778757
Flx_Flv_multieval_tree 1786319
Flx_red 1878997
_Fl2_mul 1986953
Fl2_mul_pre 2015986
Flx_lgrenormalizespec 2131922
RgX_to_Flx 2250311
Flxq_div_pre 2417764
Flx_double 2445177
Flx_Flxq_eval_pre 2449801
FlvV_polint_tree 2540975
random_Flx 2652212
Flxq_sqr 2763155
FlxV_to_ZXV_inplace 3032235
Flx_negspec 3263978
Flx_neg 3263981
Rg_to_Flxq 3598775
Flx_addshift 3728641
ZXT_to_FlxT 3812848
Flxq_transmul 4227637
Flxq_inv_pre 4287563
Flx_val 4486190
Flx_resultant 4735552
Flx_mod_Xnm1 5057344
_Fl2_sqr 5075073
Fl2_sqr_pre 5075077
Flxn_mul_pre 5167174
Flxq_invsafe_pre 5432405
kron_unpack_Flx_bits_wide 5610356
kron_unpack_Flx_bits_narrow 5655548
Flx_extgcd_basecase 6289675
Flx_extgcd_pre 6289703
Flxn_red 6337806
zx_to_Flx 6517507
Flx_addspec 7257702
Flx_mulspec_Kronecker 7293139
Flx_recipspec 7303252
Flx_Fl_mul 7326316
Z_to_Flx 7561623
mkF2 7562091
maxbitcoeffpol 8406496
Flx_is_squarefree 9184546
Flx_Fl_add 10029495
_Flx_mul 11010682
Flx_Fl_mul_to_monic 12029314
Flx_blocks_Flm 12988335
FlxV_to_Flm_lg 12989444
Flx_FlxqV_eval_pre 13187922
Flxq_mul 13192404
Flx_Frobenius_pre 13819218
Flx_get_red 14511274
Flx_resultant_basecase_pre 14621847
Flx_resultant_pre 14623931
Flx_Fl_mul_pre 18296615
Flv_inv_pre_inplace 19636068
Flx_eval 20418627
kron_pack_Flx_spec_bits 20870415
Fl_to_Flx 21219142
Flv_inv_pre_indir 21363230
_Flxq_one 22453424
Flxq_powers_pre 22453581
_Flxq_pow 22984813
Flx_deriv 22989400
Flxq_pow_Frobenius 22992219
_Flxq_powu_i 23110082
Flxq_pow_pre 24055750
Flxq_powu_pre 24365214
Flv_to_Flx 25521147
Flx_shift 27421411
Flx_valrem 27429183
Flx_equal 27544289
Flx_mul 27828962
Flx_divrem 30450796
Flx_gcd 34256890
Flx_div_by_X_x 34741905
Flx_to_ZX_inplace 36573105
Flx_to_ZX 38306718
Flx_rem 42220584
Flx_eval_powers_pre 48538114
Flx_divrem_basecase 62329663
Flx_normalize 63977129
Flx_add 64925790
Flx_to_Flv 66712314
set_Flxq_pre 70168914
Rg_to_Fl 73223206
Flx_divrem_pre 79761160
Flx_gcd_basecase 85192157
Flx_gcd_pre 86857323
Flx_get_red_pre 97950903
Flx_eval_pre 136377208
Flx_sub 138710741
_Flxq_mul 149011723
ZX_to_Flx 171015558
Flxq_mul_pre 190222355
_Flxq_sqr 270281294
Flxq_sqr_pre 278107225
Flx_sqr_pre 279084521
Flx_sqrspec 279429664
Flx_sqrspec_basecase 279496173
Flx_mulspec_basecase 346656198
Flx_mul_pre 378291778
Flx_mulspec 384001994
Flx_shiftip 634304266
Flx_rem_basecase 803227971
Flx_rem_pre 927261239
get_Flx_red 991307088
Flx_mullimb 1189256304
Flx_renormalize 2156111801
get_Fl_threshold 2333147077
Flx_mullimb_ok 3390138585

Generated by: LCOV version 1.16