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 30548-ec77dc363d) Lines: 2553 2914 87.6 %
Date: 2025-11-15 09:22:38 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 462201
Fl2_inv_pre 201802
Fl2_mul_pre 2012830
Fl2_norm_pre 128204
Fl2_pow_pre 689530
Fl2_sqr_pre 5071399
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78353
Fl_Flxq_log 35547
Fl_Xp1_powu 0
Fl_to_Flx 21228403
Flm_to_FlxV 2772
FlvV_polint_tree 2540649
Flv_Flm_polint 103476
Flv_inv 1744771
Flv_invVandermonde 153445
Flv_inv_i 1756781
Flv_inv_indir 51285
Flv_inv_inplace 12017
Flv_inv_pre 10048
Flv_inv_pre_indir 21418486
Flv_inv_pre_inplace 19698289
Flv_polint 1486568
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1745965
Flv_roots_to_pol 795659
Flv_to_Flx 25485839
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 325150
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 295131
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28991
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171883
FlxV_to_Flm_lg 12970415
FlxV_to_FlxX 397977
FlxV_to_ZXV 606903
FlxV_to_ZXV_inplace 3031339
Flx_Fl2_eval_pre 10773
Flx_Fl_add 10024128
Flx_Fl_mul 7327053
Flx_Fl_mul_pre 18291146
Flx_Fl_mul_to_monic 12026729
Flx_Fl_sub 151843
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786272
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13169216
Flx_Flxq_eval 790601
Flx_Flxq_eval_pre 2444550
Flx_Frobenius 86483
Flx_Frobenius_pre 13812035
Flx_Laplace 27362
Flx_Newton 54141
Flx_add 64863526
Flx_addmulmul 416638
Flx_addshift 3684967
Flx_addspec 7170354
Flx_blocks 517289
Flx_blocks_Flm 12969864
Flx_composedprod 0
Flx_composedsum 27571
Flx_convol 0
Flx_deflate 421005
Flx_deriv 22987958
Flx_diff1 14448
Flx_digits 0
Flx_div_by_X_x 34791930
Flx_divrem 30451616
Flx_divrem_Barrett 604908
Flx_divrem_Barrettspec 905796
Flx_divrem_basecase 62298257
Flx_divrem_pre 79739366
Flx_double 2445177
Flx_equal 26495701
Flx_eval 20406089
Flx_eval2BILspec 579073
Flx_eval_powers_pre 48580906
Flx_eval_pre 136385843
Flx_extgcd 857250
Flx_extgcd_basecase 6286235
Flx_extgcd_halfgcd 146587
Flx_extgcd_pre 6286243
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109427
Flx_gcd 34269355
Flx_gcd_basecase 85218506
Flx_gcd_pre 86882591
Flx_get_red 14503343
Flx_get_red_pre 96864687
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1128246
Flx_halfgcd_all_pre 1128246
Flx_halfgcd_pre 874532
Flx_halfres_basecase 1135323
Flx_halfres_i 1155289
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160717
Flx_integ 0
Flx_integXn 422870
Flx_invBarrett 0
Flx_invBarrett_Newton 23160
Flx_invBarrett_basecase 134335
Flx_invBarrett_pre 158797
Flx_invLaplace 54404
Flx_is_l_pow 8193
Flx_is_smooth 74256
Flx_is_smooth_pre 118726
Flx_is_smooth_squarefree 126958
Flx_is_squarefree 9184053
Flx_lgrenormalizespec 2133975
Flx_matFrobenius 0
Flx_matFrobenius_pre 86570
Flx_mod_Xn1 31764
Flx_mod_Xnm1 5057196
Flx_mul 27825183
Flx_mul_pre 376225633
Flx_mulhigh_i 939218
Flx_mullimb 1182878567
Flx_mullimb_ok 3367699213
Flx_mulspec 381778960
Flx_mulspec_Kronecker 7264498
Flx_mulspec_basecase 344213707
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10138
Flx_mulspec_mulii_inflate 282081
Flx_mulspec_quartmulii 97177
Flx_neg 3264674
Flx_neg_inplace 1756920
Flx_negspec 3264672
Flx_normalize 64008488
Flx_powu 0
Flx_powu_pre 3932
Flx_recip 0
Flx_recipspec 7295842
Flx_red 1881578
Flx_rem 42211525
Flx_rem_basecase 799852902
Flx_rem_pre 924502305
Flx_renormalize 2149863212
Flx_rescale 1117
Flx_resultant 4735285
Flx_resultant_basecase_pre 14621760
Flx_resultant_pre 14623733
Flx_shift 27398911
Flx_shiftip 630995060
Flx_splitting 147437
Flx_sqr 354636
Flx_sqr_pre 278538559
Flx_sqrspec 278635315
Flx_sqrspec_Kronecker 691184
Flx_sqrspec_basecase 277918715
Flx_sqrspec_halfsqri 324
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2068
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138682349
Flx_subspec 898282
Flx_to_Flv 66640955
Flx_to_FlxX 71629
Flx_to_ZX 38306977
Flx_to_ZX_inplace 36577143
Flx_to_int_halfspec 468820
Flx_to_int_quartspec 204574
Flx_translate1 17108
Flx_translate1_basecase 29202
Flx_triple 1049887
Flx_unscale 0
Flx_val 4490530
Flx_valrem 27478966
Flxn_div 55221
Flxn_div_pre 55243
Flxn_exp 0
Flxn_expint 109414
Flxn_inv 1037
Flxn_mul 75860
Flxn_mul_pre 5165374
Flxn_mulhigh 517197
Flxn_recip 217466
Flxn_red 6337214
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 67490
Flxq_autpow_sqr 46249
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112472
Flxq_autsum_pre 98768
Flxq_autsum_sqr 105110
Flxq_auttrace 0
Flxq_auttrace_mul 782934
Flxq_auttrace_pre 962550
Flxq_auttrace_sqr 655401
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519217
Flxq_inv 335767
Flxq_inv_pre 4284249
Flxq_invsafe 670624
Flxq_invsafe_pre 5429006
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 170665
Flxq_minpoly 44915
Flxq_minpoly_pre 810940
Flxq_mul 13191094
Flxq_mul_pre 188141251
Flxq_norm 443327
Flxq_order 97328
Flxq_pow 948396
Flxq_pow_Frobenius 21947356
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23004653
Flxq_pow_table 0
Flxq_pow_table_pre 4394
Flxq_powers 232060
Flxq_powers_pre 22437885
Flxq_powu 488421
Flxq_powu_pre 24360688
Flxq_sqr 2759494
Flxq_sqr_pre 277535124
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_sqrtl_spec_pre 35707
Flxq_sqrtn 20456
Flxq_sqrtn_spec_pre 19262
Flxq_sumautsum_msqr 40558
Flxq_sumautsum_pre 208704
Flxq_sumautsum_sqr 292682
Flxq_trace 4696
Flxq_transmul 4218854
Flxq_transmul_init 1749015
RgXV_to_FlxV 7
RgX_to_Flx 2250315
Rg_to_F2 1710363
Rg_to_Fl 73222559
Rg_to_Flxq 3598598
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3813864
ZXV_to_FlxV 0
ZX_to_Flx 171031355
Z_mod2BIL_Flx 293603
Z_mod2BIL_Flx_2 296533
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561404
ZpX_invLaplace_init 497
_Fl2_mul 1983799
_Fl2_pow 689517
_Fl2_rand 118217
_Fl2_sqr 5071354
_Flx_add 389834
_Flx_composedsum 3910
_Flx_divrem 0
_Flx_mul 11009239
_Flx_sqr 0
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 146933412
_Flxq_neg 366572
_Flxq_one 22438465
_Flxq_pow 21939950
_Flxq_powu 68
_Flxq_powu_i 23104498
_Flxq_rand 5577
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 269554904
bounded_order 394037
gener_Flxq 7201
get_Fl_threshold 2324051752
get_Flx_red 988535682
get_Flxq_field 68902
get_Flxq_star 280807
init_invlaplace 12514
int_to_Flx 12213
int_to_Flx_half 507268
int_to_Flx_quart 107397
kron_pack_Flx_spec 53168
kron_pack_Flx_spec_2 3389
kron_pack_Flx_spec_3 0
kron_pack_Flx_spec_bits 20813673
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 5658170
kron_unpack_Flx_bits_wide 5580290
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8377761
mkF2 7555396
monomial_Flx 942955
random_Flx 2647154
set_Flxq 68922
set_Flxq_pre 69104732
translate_basecase 42367
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6528498

Generated by: LCOV version 1.16