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
Fl2_equal1 463388
Fl2_inv_pre 202419
Fl2_mul_pre 2015986
Fl2_norm_pre 128229
Fl2_pow_pre 691309
Fl2_sqr_pre 5075077
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78490
Fl_Flxq_log 35543
Fl_Xp1_powu 0
Fl_to_Flx 21219142
Flm_to_FlxV 2772
FlvV_polint_tree 2540975
Flv_Flm_polint 103494
Flv_inv 1744809
Flv_invVandermonde 153445
Flv_inv_i 1756821
Flv_inv_indir 51279
Flv_inv_inplace 12017
Flv_inv_pre 10049
Flv_inv_pre_indir 21363230
Flv_inv_pre_inplace 19636068
Flv_polint 1486593
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1746020
Flv_roots_to_pol 795620
Flv_to_Flx 25521147
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 292100
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28957
FlxV_factorback 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171872
FlxV_to_Flm_lg 12989444
FlxV_to_FlxX 397977
FlxV_to_ZXV 606906
FlxV_to_ZXV_inplace 3032235
Flx_Fl2_eval_pre 10773
Flx_Fl_add 10029495
Flx_Fl_mul 7326316
Flx_Fl_mul_pre 18296615
Flx_Fl_mul_to_monic 12029314
Flx_Fl_sub 151855
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786319
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13187922
Flx_Flxq_eval 791720
Flx_Flxq_eval_pre 2449801
Flx_Frobenius 86485
Flx_Frobenius_pre 13819218
Flx_Laplace 27344
Flx_Newton 54090
Flx_add 64925790
Flx_addmulmul 416795
Flx_addshift 3728641
Flx_addspec 7257702
Flx_blocks 516684
Flx_blocks_Flm 12988335
Flx_composedprod 0
Flx_composedsum 27546
Flx_convol 0
Flx_deflate 421057
Flx_deriv 22989400
Flx_diff1 14360
Flx_digits 0
Flx_div_by_X_x 34741905
Flx_divrem 30450796
Flx_divrem_Barrett 604071
Flx_divrem_Barrettspec 904631
Flx_divrem_basecase 62329663
Flx_divrem_pre 79761160
Flx_double 2445177
Flx_equal 27544289
Flx_eval 20418627
Flx_eval2BILspec 579085
Flx_eval_powers_pre 48538114
Flx_eval_pre 136377208
Flx_extgcd 857316
Flx_extgcd_basecase 6289675
Flx_extgcd_halfgcd 146652
Flx_extgcd_pre 6289703
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109398
Flx_gcd 34256890
Flx_gcd_basecase 85192157
Flx_gcd_pre 86857323
Flx_get_red 14511274
Flx_get_red_pre 97950903
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1130020
Flx_halfgcd_all_pre 1130025
Flx_halfgcd_pre 876251
Flx_halfres_basecase 1137097
Flx_halfres_i 1157064
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160108
Flx_integ 0
Flx_integXn 422710
Flx_invBarrett 0
Flx_invBarrett_Newton 23161
Flx_invBarrett_basecase 134341
Flx_invBarrett_pre 158802
Flx_invLaplace 54353
Flx_is_l_pow 8198
Flx_is_smooth 74256
Flx_is_smooth_pre 118569
Flx_is_smooth_squarefree 126733
Flx_is_squarefree 9184546
Flx_lgrenormalizespec 2131922
Flx_matFrobenius 0
Flx_matFrobenius_pre 86565
Flx_mod_Xn1 31769
Flx_mod_Xnm1 5057344
Flx_mul 27828962
Flx_mul_pre 378291778
Flx_mulhigh_i 938208
Flx_mullimb 1189256304
Flx_mullimb_ok 3390138585
Flx_mulspec 384001994
Flx_mulspec_Kronecker 7293139
Flx_mulspec_basecase 346656198
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10139
Flx_mulspec_mulii_inflate 282087
Flx_mulspec_quartmulii 97165
Flx_neg 3263981
Flx_neg_inplace 1778757
Flx_negspec 3263978
Flx_normalize 63977129
Flx_powu 0
Flx_powu_pre 3880
Flx_recip 0
Flx_recipspec 7303252
Flx_red 1878997
Flx_rem 42220584
Flx_rem_basecase 803227971
Flx_rem_pre 927261239
Flx_renormalize 2156111801
Flx_rescale 1117
Flx_resultant 4735552
Flx_resultant_basecase_pre 14621847
Flx_resultant_pre 14623931
Flx_shift 27421411
Flx_shiftip 634304266
Flx_splitting 147098
Flx_sqr 354602
Flx_sqr_pre 279084521
Flx_sqrspec 279429664
Flx_sqrspec_Kronecker 691120
Flx_sqrspec_basecase 279496173
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2069
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138710741
Flx_subspec 897122
Flx_to_Flv 66712314
Flx_to_FlxX 71643
Flx_to_ZX 38306718
Flx_to_ZX_inplace 36573105
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204548
Flx_translate1 17020
Flx_translate1_basecase 29103
Flx_triple 1049887
Flx_unscale 0
Flx_val 4486190
Flx_valrem 27429183
Flxn_div 55137
Flxn_div_pre 55162
Flxn_exp 0
Flxn_expint 109398
Flxn_inv 1037
Flxn_mul 75840
Flxn_mul_pre 5167174
Flxn_mulhigh 516570
Flxn_recip 217253
Flxn_red 6337806
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 69448
Flxq_autpow_sqr 47313
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112472
Flxq_autsum_pre 98768
Flxq_autsum_sqr 105110
Flxq_auttrace 0
Flxq_auttrace_mul 782990
Flxq_auttrace_pre 962898
Flxq_auttrace_sqr 655445
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519371
Flxq_inv 335769
Flxq_inv_pre 4287563
Flxq_invsafe 670626
Flxq_invsafe_pre 5432405
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 170656
Flxq_minpoly 45993
Flxq_minpoly_pre 812457
Flxq_mul 13192404
Flxq_mul_pre 190222355
Flxq_norm 443320
Flxq_order 97328
Flxq_pow 948330
Flxq_pow_Frobenius 22992219
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 24055750
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232045
Flxq_powers_pre 22453581
Flxq_powu 488417
Flxq_powu_pre 24365214
Flxq_sqr 2763155
Flxq_sqr_pre 278107225
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_sqrtl_spec_pre 37667
Flxq_sqrtn 23094
Flxq_sqrtn_spec_pre 21901
Flxq_sumautsum_msqr 40915
Flxq_sumautsum_pre 210713
Flxq_sumautsum_sqr 295314
Flxq_trace 4696
Flxq_transmul 4227637
Flxq_transmul_init 1752474
RgXV_to_FlxV 7
RgX_to_Flx 2250311
Rg_to_F2 1710299
Rg_to_Fl 73223206
Rg_to_Flxq 3598775
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3812848
ZXV_to_FlxV 0
ZX_to_Flx 171015558
Z_mod2BIL_Flx 293609
Z_mod2BIL_Flx_2 296539
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561623
ZpX_invLaplace_init 497
_Fl2_mul 1986953
_Fl2_pow 691294
_Fl2_rand 118378
_Fl2_sqr 5075073
_Flx_add 0
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 11010682
_Flx_one 0
_Flx_pow 0
_Flx_sqr 0
_Flxq_add 389834
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 149011723
_Flxq_neg 366572
_Flxq_one 22453424
_Flxq_pow 22984813
_Flxq_powu 68
_Flxq_powu_i 23110082
_Flxq_rand 6552
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 270281294
bounded_order 395371
gener_Flxq 7201
get_Fl_threshold 2333147077
get_Flx_red 991307088
get_Flxq_field 68902
get_Flxq_star 283445
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 20870415
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 5655548
kron_unpack_Flx_bits_wide 5610356
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8406496
mkF2 7562091
monomial_Flx 944589
random_Flx 2652212
set_Flxq 68922
set_Flxq_pre 70168914
translate_basecase 42270
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6517507

Generated by: LCOV version 1.16