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 30585-4c42182400) Lines: 2553 2925 87.3 %
Date: 2025-12-23 09:21:19 Functions: 304 363 83.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 448758
Fl2_inv_pre 196839
Fl2_mul_pre 1950071
Fl2_norm_pre 127383
Fl2_pow_pre 670038
Fl2_sqr_pre 4903083
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 75910
Fl_Flxq_log 35540
Fl_Xp1_powu 0
Fl_to_Flx 21936226
Flm_to_FlxV 2772
FlvV_polint_tree 2587927
Flv_Flm_polint 104466
Flv_inv 1745595
Flv_invVandermonde 153445
Flv_inv_i 1757603
Flv_inv_indir 52115
Flv_inv_inplace 12017
Flv_inv_pre 9646
Flv_inv_pre_indir 20995598
Flv_inv_pre_inplace 19270814
Flv_polint 1486414
Flv_prod 0
Flv_prod_pre 3719
Flv_producttree 1746796
Flv_roots_to_pol 841051
Flv_to_Flx 25486927
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 325155
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 294632
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28962
FlxV_factorback 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171882
FlxV_to_Flm_lg 12967895
FlxV_to_FlxX 397977
FlxV_to_ZXV 606749
FlxV_to_ZXV_inplace 3031651
Flx_Fl2_eval_pre 10773
Flx_Fl_add 9847087
Flx_Fl_mul 7327299
Flx_Fl_mul_pre 18292253
Flx_Fl_mul_to_monic 11856231
Flx_Fl_sub 151683
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1787105
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13166581
Flx_Flxq_eval 791316
Flx_Flxq_eval_pre 2444606
Flx_Frobenius 86484
Flx_Frobenius_pre 13811148
Flx_Laplace 27341
Flx_Newton 54096
Flx_add 66127189
Flx_addmulmul 416805
Flx_addshift 3726367
Flx_addspec 7254264
Flx_blocks 516720
Flx_blocks_Flm 12967314
Flx_composedprod 0
Flx_composedsum 27548
Flx_convol 0
Flx_deflate 420788
Flx_deriv 22982235
Flx_diff1 14448
Flx_digits 0
Flx_div_by_X_x 36528906
Flx_divrem 30445132
Flx_divrem_Barrett 604724
Flx_divrem_Barrettspec 905947
Flx_divrem_basecase 62277183
Flx_divrem_pre 79715158
Flx_double 2445177
Flx_equal 26438552
Flx_eval 20421390
Flx_eval2BILspec 603311
Flx_eval_powers_pre 48495625
Flx_eval_pre 136423769
Flx_extgcd 856689
Flx_extgcd_basecase 6286960
Flx_extgcd_halfgcd 146656
Flx_extgcd_pre 6286925
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109400
Flx_gcd 35016257
Flx_gcd_basecase 85759988
Flx_gcd_pre 87414778
Flx_get_red 14502692
Flx_get_red_pre 96661098
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1127059
Flx_halfgcd_all_pre 1127064
Flx_halfgcd_pre 873347
Flx_halfres_basecase 1134137
Flx_halfres_i 1154102
Flx_halfres_pre 1044
Flx_halfres_split 19963
Flx_halfres_update_pre 9405
Flx_halve 14026
Flx_inflate 160273
Flx_integ 0
Flx_integXn 422728
Flx_invBarrett 0
Flx_invBarrett_Newton 23160
Flx_invBarrett_basecase 134392
Flx_invBarrett_pre 158852
Flx_invLaplace 54353
Flx_is_l_pow 8135
Flx_is_smooth 74256
Flx_is_smooth_pre 118140
Flx_is_smooth_squarefree 126262
Flx_is_squarefree 9180583
Flx_lgrenormalizespec 2134320
Flx_matFrobenius 0
Flx_matFrobenius_pre 86569
Flx_mod_Xn1 31487
Flx_mod_Xnm1 4907399
Flx_mul 27807251
Flx_mul_pre 378252985
Flx_mulhigh_i 938161
Flx_mullimb 1187514526
Flx_mullimb_ok 3353537104
Flx_mulspec 383844809
Flx_mulspec_Kronecker 7351320
Flx_mulspec_basecase 346349458
Flx_mulspec_halfmulii 5463
Flx_mulspec_mulii 10147
Flx_mulspec_mulii_inflate 294054
Flx_mulspec_quartmulii 97166
Flx_neg 3264538
Flx_neg_inplace 1778721
Flx_negspec 3264542
Flx_normalize 64787996
Flx_powu 0
Flx_powu_pre 3921
Flx_recip 0
Flx_recipspec 7288750
Flx_red 1880326
Flx_rem 42223767
Flx_rem_basecase 797311253
Flx_rem_pre 921114036
Flx_renormalize 2148081524
Flx_rescale 1117
Flx_resultant 4735360
Flx_resultant_basecase_pre 14620547
Flx_resultant_pre 14622499
Flx_shift 27377470
Flx_shiftip 630566222
Flx_splitting 147380
Flx_sqr 354623
Flx_sqr_pre 275249212
Flx_sqrspec 275536111
Flx_sqrspec_Kronecker 695057
Flx_sqrspec_basecase 275652552
Flx_sqrspec_halfsqri 136
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2064
Flx_sqrspec_sqri_inflate 11814
Flx_sub 138628139
Flx_subspec 898361
Flx_to_Flv 66643660
Flx_to_FlxX 71405
Flx_to_ZX 38297202
Flx_to_ZX_inplace 36565231
Flx_to_int_halfspec 468590
Flx_to_int_quartspec 204550
Flx_translate1 17108
Flx_translate1_basecase 29202
Flx_triple 1049887
Flx_unscale 0
Flx_val 4465134
Flx_valrem 28447046
Flxn_div 55128
Flxn_div_pre 55176
Flxn_exp 0
Flxn_expint 109396
Flxn_inv 1037
Flxn_mul 75842
Flxn_mul_pre 5157244
Flxn_mulhigh 516592
Flxn_recip 217259
Flxn_red 6327315
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 69455
Flxq_autpow_sqr 47318
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112474
Flxq_autsum_pre 98770
Flxq_autsum_sqr 105112
Flxq_auttrace 0
Flxq_auttrace_mul 780421
Flxq_auttrace_pre 960099
Flxq_auttrace_sqr 653058
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519360
Flxq_inv 335768
Flxq_inv_pre 4287405
Flxq_invsafe 670318
Flxq_invsafe_pre 5430253
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 170669
Flxq_minpoly 45937
Flxq_minpoly_pre 809762
Flxq_mul 13192511
Flxq_mul_pre 187032909
Flxq_norm 443318
Flxq_order 97328
Flxq_pow 948231
Flxq_pow_Frobenius 21944806
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23008189
Flxq_pow_table 0
Flxq_pow_table_pre 4392
Flxq_powers 232019
Flxq_powers_pre 22434471
Flxq_powu 488338
Flxq_powu_pre 24174248
Flxq_sqr 2763154
Flxq_sqr_pre 274288472
Flxq_sqrt 230463
Flxq_sqrt_pre 230463
Flxq_sqrtl_spec_pre 37666
Flxq_sqrtn 23093
Flxq_sqrtn_spec_pre 21901
Flxq_sumautsum_msqr 40915
Flxq_sumautsum_pre 210713
Flxq_sumautsum_sqr 295314
Flxq_trace 4696
Flxq_transmul 4213379
Flxq_transmul_init 1746664
RgXV_to_FlxV 7
RgX_to_Flx 2249942
Rg_to_F2 1710350
Rg_to_Fl 73210476
Rg_to_Flxq 3588251
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3812945
ZXV_to_FlxV 0
ZX_to_Flx 171002769
Z_mod2BIL_Flx 305868
Z_mod2BIL_Flx_2 308798
Z_mod2BIL_Flx_3 0
Z_to_Flx 7556858
ZpX_invLaplace_init 497
_Fl2_mul 1921035
_Fl2_pow 670036
_Fl2_rand 113646
_Fl2_sqr 4903124
_Flx_add 0
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 11782735
_Flx_one 0
_Flx_pow 0
_Flx_sqr 0
_Flxq_add 389834
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 145844761
_Flxq_neg 366572
_Flxq_one 22435825
_Flxq_pow 21937397
_Flxq_powu 68
_Flxq_powu_i 22919312
_Flxq_rand 6544
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 266437411
bounded_order 395365
gener_Flxq 7201
get_Fl_threshold 2319148686
get_Flx_red 985098232
get_Flxq_field 68902
get_Flxq_star 283444
init_invlaplace 12514
int_to_Flx 12216
int_to_Flx_half 507058
int_to_Flx_quart 107384
kron_pack_Flx_spec 53168
kron_pack_Flx_spec_2 3389
kron_pack_Flx_spec_3 0
kron_pack_Flx_spec_bits 20990372
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 5657961
kron_unpack_Flx_bits_wide 5669988
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8480561
mkF2 7311694
monomial_Flx 941401
random_Flx 2646465
set_Flxq 68922
set_Flxq_pre 68914066
translate_basecase 42367
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6389083

Generated by: LCOV version 1.16