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 30317-3ce82218f7) Lines: 2553 2914 87.6 %
Date: 2025-06-05 09:19:38 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 440636
Fl2_inv_pre 192999
Fl2_mul_pre 1909867
Fl2_norm_pre 124428
Fl2_pow_pre 657428
Fl2_sqr_pre 4807011
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 73931
Fl_Flxq_log 35541
Fl_Xp1_powu 0
Fl_to_Flx 19864698
Flm_to_FlxV 2324
FlvV_polint_tree 1387248
Flv_Flm_polint 101400
Flv_inv 624262
Flv_invVandermonde 153162
Flv_inv_i 636275
Flv_inv_indir 49970
Flv_inv_inplace 12017
Flv_inv_pre 10491
Flv_inv_pre_indir 19097628
Flv_inv_pre_inplace 18494274
Flv_polint 368429
Flv_prod 0
Flv_prod_pre 3627
Flv_producttree 625467
Flv_roots_to_pol 744001
Flv_to_Flx 25248727
FlxC_FlxqV_eval 0
FlxC_FlxqV_eval_pre 0
FlxC_Flxq_eval 0
FlxC_Flxq_eval_pre 0
FlxC_eval_powers_pre 254968
FlxC_neg 0
FlxC_sub 0
FlxC_to_ZXC 104060
FlxC_translate 0
FlxM_Flx_add_shallow 0
FlxM_Flx_mul2 26000
FlxM_eval_powers_pre 20038
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
FlxM_translate 0
FlxT_red 294080
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28989
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171903
FlxV_to_Flm_lg 12803507
FlxV_to_FlxX 397977
FlxV_to_ZXV 605884
FlxV_to_ZXV_inplace 2926252
Flx_Fl2_eval_pre 10528
Flx_Fl_add 9887749
Flx_Fl_mul 7321589
Flx_Fl_mul_pre 18250239
Flx_Fl_mul_to_monic 11905378
Flx_Fl_sub 151679
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 665769
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13002204
Flx_Flxq_eval 789621
Flx_Flxq_eval_pre 2403374
Flx_Frobenius 86486
Flx_Frobenius_pre 13703046
Flx_Laplace 27371
Flx_Newton 54165
Flx_add 62591059
Flx_addmulmul 416641
Flx_addshift 3664597
Flx_addspec 7130769
Flx_blocks 517339
Flx_blocks_Flm 12802748
Flx_composedprod 0
Flx_composedsum 27583
Flx_convol 0
Flx_deflate 420497
Flx_deriv 21150660
Flx_diff1 13482
Flx_digits 0
Flx_div_by_X_x 33001071
Flx_divrem 30290801
Flx_divrem_Barrett 604165
Flx_divrem_Barrettspec 904833
Flx_divrem_basecase 61726208
Flx_divrem_pre 79162621
Flx_double 2444871
Flx_equal 27666538
Flx_eval 20385416
Flx_eval2BILspec 581627
Flx_eval_powers_pre 43508578
Flx_eval_pre 100667965
Flx_extgcd 854967
Flx_extgcd_basecase 6267508
Flx_extgcd_halfgcd 146589
Flx_extgcd_pre 6267515
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109432
Flx_gcd 32467487
Flx_gcd_basecase 82891324
Flx_gcd_pre 84529391
Flx_get_red 14286975
Flx_get_red_pre 97143242
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1099254
Flx_halfgcd_all_pre 1099253
Flx_halfgcd_pre 845707
Flx_halfres_basecase 1106332
Flx_halfres_i 1126298
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14117
Flx_inflate 160158
Flx_integ 0
Flx_integXn 422894
Flx_invBarrett 0
Flx_invBarrett_Newton 23161
Flx_invBarrett_basecase 134264
Flx_invBarrett_pre 158725
Flx_invLaplace 54427
Flx_is_l_pow 8121
Flx_is_smooth 74256
Flx_is_smooth_pre 118123
Flx_is_smooth_squarefree 126221
Flx_is_squarefree 8531825
Flx_lgrenormalizespec 2132053
Flx_matFrobenius 0
Flx_matFrobenius_pre 86584
Flx_mod_Xn1 30124
Flx_mod_Xnm1 5053689
Flx_mul 27623292
Flx_mul_pre 370492701
Flx_mulhigh_i 939327
Flx_mullimb 1164199353
Flx_mullimb_ok 3361906219
Flx_mulspec 376125412
Flx_mulspec_Kronecker 7221248
Flx_mulspec_basecase 338763345
Flx_mulspec_halfmulii 5460
Flx_mulspec_mulii 10143
Flx_mulspec_mulii_inflate 283370
Flx_mulspec_quartmulii 97167
Flx_neg 3264827
Flx_neg_inplace 1747890
Flx_negspec 3264820
Flx_normalize 62073308
Flx_powu 0
Flx_powu_pre 7844
Flx_recip 0
Flx_recipspec 7121173
Flx_red 1878586
Flx_rem 41851259
Flx_rem_basecase 784962765
Flx_rem_pre 908265634
Flx_renormalize 2106590044
Flx_rescale 1117
Flx_resultant 4732990
Flx_resultant_basecase_pre 10269501
Flx_resultant_pre 10271586
Flx_shift 26788786
Flx_shiftip 624738005
Flx_splitting 147320
Flx_sqr 354646
Flx_sqr_pre 277253595
Flx_sqrspec 277437375
Flx_sqrspec_Kronecker 683343
Flx_sqrspec_basecase 277186452
Flx_sqrspec_halfsqri 136
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2262
Flx_sqrspec_sqri_inflate 11498
Flx_sub 138065703
Flx_subspec 897330
Flx_to_Flv 65838828
Flx_to_FlxX 71244
Flx_to_ZX 37107266
Flx_to_ZX_inplace 36385693
Flx_to_int_halfspec 468584
Flx_to_int_quartspec 204552
Flx_translate 0
Flx_translate1 16142
Flx_translate1_basecase 28236
Flx_triple 1049734
Flx_unscale 0
Flx_val 4137701
Flx_valrem 26296430
Flxn_div 55233
Flxn_div_pre 55255
Flxn_exp 0
Flxn_expint 109430
Flxn_inv 1030
Flxn_mul 75401
Flxn_mul_pre 5062088
Flxn_mulhigh 517258
Flxn_recip 217524
Flxn_red 6233876
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 67489
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 764136
Flxq_auttrace_pre 935384
Flxq_auttrace_sqr 636781
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417569
Flxq_easylog 519201
Flxq_inv 335768
Flxq_inv_pre 4283944
Flxq_invsafe 669601
Flxq_invsafe_pre 5412570
Flxq_is2npower 0
Flxq_issquare 404492
Flxq_log 164216
Flxq_lroot 0
Flxq_lroot_fast 0
Flxq_lroot_fast_pre 113589
Flxq_lroot_pre 25053
Flxq_matrix_pow 399
Flxq_matrix_pow_pre 170684
Flxq_minpoly 44467
Flxq_minpoly_pre 783887
Flxq_mul 13190436
Flxq_mul_pre 189428303
Flxq_norm 443341
Flxq_order 97328
Flxq_pow 930725
Flxq_pow_Frobenius 23118541
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 24158210
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232078
Flxq_powers_pre 22210338
Flxq_powu 488331
Flxq_powu_pre 24110959
Flxq_sqr 2759491
Flxq_sqr_pre 276312801
Flxq_sqrt 230554
Flxq_sqrt_pre 230554
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 4082248
Flxq_transmul_init 1691384
RgXV_to_FlxV 7
RgX_to_Flx 2241610
Rg_to_F2 1706808
Rg_to_Fl 73126089
Rg_to_Flxq 3563166
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3794243
ZXV_to_FlxV 0
ZX_to_Flx 167486191
Z_mod2BIL_Flx 294868
Z_mod2BIL_Flx_2 297798
Z_mod2BIL_Flx_3 0
Z_to_Flx 2600979
ZpX_invLaplace_init 497
_Fl2_mul 1881435
_Fl2_pow 657410
_Fl2_rand 111001
_Fl2_sqr 4807040
_Flx_add 389834
_Flx_composedsum 3910
_Flx_divrem 0
_Flx_mul 10470702
_Flx_sqr 0
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 148352723
_Flxq_neg 366572
_Flxq_one 22208970
_Flxq_pow 23111134
_Flxq_powu 68
_Flxq_powu_i 22860275
_Flxq_rand 5566
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 268427486
bounded_order 394030
gener_Flxq 7201
get_Fl_threshold 2288202994
get_Flx_red 971639914
get_Flxq_field 68902
get_Flxq_star 280806
init_invlaplace 12514
int_to_Flx 12412
int_to_Flx_half 507055
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 20719022
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 5654524
kron_unpack_Flx_bits_wide 5531484
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8327940
mkF2 7167222
monomial_Flx 912538
random_Flx 2591229
set_Flxq 68922
set_Flxq_pre 69757773
translate_basecase 41401
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6037922

Generated by: LCOV version 1.16