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 30582-6e9af8ee1d) Lines: 2553 2925 87.3 %
Date: 2025-12-20 09:23:49 Functions: 304 363 83.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 463865
Fl2_inv_pre 202488
Fl2_mul_pre 2024307
Fl2_norm_pre 129547
Fl2_pow_pre 692350
Fl2_sqr_pre 5099555
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78888
Fl_Flxq_log 35542
Fl_Xp1_powu 0
Fl_to_Flx 21377204
Flm_to_FlxV 2772
FlvV_polint_tree 2586731
Flv_Flm_polint 104893
Flv_inv 1746356
Flv_invVandermonde 153445
Flv_inv_i 1758367
Flv_inv_indir 52463
Flv_inv_inplace 12017
Flv_inv_pre 9971
Flv_inv_pre_indir 21608351
Flv_inv_pre_inplace 19886150
Flv_polint 1486748
Flv_prod 0
Flv_prod_pre 3206
Flv_producttree 1747569
Flv_roots_to_pol 843057
Flv_to_Flx 25524186
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 325154
FlxC_neg 0
FlxC_sub 0
FlxC_to_ZXC 104060
FlxM_Fl_translate 0
FlxM_Flx_add_shallow 0
FlxM_Flx_mul2 25999
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 294630
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 171883
FlxV_to_Flm_lg 12990989
FlxV_to_FlxX 397977
FlxV_to_ZXV 606946
FlxV_to_ZXV_inplace 3032343
Flx_Fl2_eval_pre 10773
Flx_Fl_add 10042882
Flx_Fl_mul 7327303
Flx_Fl_mul_pre 18297278
Flx_Fl_mul_to_monic 12036781
Flx_Fl_sub 151915
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1787871
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13189637
Flx_Flxq_eval 791896
Flx_Flxq_eval_pre 2450835
Flx_Frobenius 86486
Flx_Frobenius_pre 13820757
Flx_Laplace 27352
Flx_Newton 54115
Flx_add 65646272
Flx_addmulmul 416806
Flx_addshift 3726530
Flx_addspec 7254540
Flx_blocks 516902
Flx_blocks_Flm 12990411
Flx_composedprod 0
Flx_composedsum 27552
Flx_convol 0
Flx_deflate 421174
Flx_deriv 22992939
Flx_diff1 14448
Flx_digits 0
Flx_div_by_X_x 36342245
Flx_divrem 30458256
Flx_divrem_Barrett 604792
Flx_divrem_Barrettspec 905947
Flx_divrem_basecase 62340091
Flx_divrem_pre 79782366
Flx_double 2445177
Flx_equal 26955481
Flx_eval 20415595
Flx_eval2BILspec 581953
Flx_eval_powers_pre 49699312
Flx_eval_pre 136427889
Flx_extgcd 857380
Flx_extgcd_basecase 6289823
Flx_extgcd_halfgcd 146656
Flx_extgcd_pre 6289823
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109403
Flx_gcd 34894889
Flx_gcd_basecase 85869796
Flx_gcd_pre 87529832
Flx_get_red 14514048
Flx_get_red_pre 97472882
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1130049
Flx_halfgcd_all_pre 1130055
Flx_halfgcd_pre 876426
Flx_halfres_basecase 1137126
Flx_halfres_i 1157092
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14026
Flx_inflate 160621
Flx_integ 0
Flx_integXn 422776
Flx_invBarrett 0
Flx_invBarrett_Newton 23160
Flx_invBarrett_basecase 134364
Flx_invBarrett_pre 158824
Flx_invLaplace 54392
Flx_is_l_pow 8133
Flx_is_smooth 74256
Flx_is_smooth_pre 118278
Flx_is_smooth_squarefree 126360
Flx_is_squarefree 9185005
Flx_lgrenormalizespec 2134181
Flx_matFrobenius 0
Flx_matFrobenius_pre 86568
Flx_mod_Xn1 31699
Flx_mod_Xnm1 5054445
Flx_mul 27831984
Flx_mul_pre 379483231
Flx_mulhigh_i 938693
Flx_mullimb 1192078606
Flx_mullimb_ok 3387303902
Flx_mulspec 385074747
Flx_mulspec_Kronecker 7332652
Flx_mulspec_basecase 347572778
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10141
Flx_mulspec_mulii_inflate 283521
Flx_mulspec_quartmulii 97166
Flx_neg 3264596
Flx_neg_inplace 1778763
Flx_negspec 3264594
Flx_normalize 65108544
Flx_powu 0
Flx_powu_pre 3924
Flx_recip 0
Flx_recipspec 7307440
Flx_red 1881542
Flx_rem 42230590
Flx_rem_basecase 803314062
Flx_rem_pre 927919929
Flx_renormalize 2159370556
Flx_rescale 1117
Flx_resultant 4735769
Flx_resultant_basecase_pre 14622999
Flx_resultant_pre 14625228
Flx_shift 27430051
Flx_shiftip 635277947
Flx_splitting 147384
Flx_sqr 354636
Flx_sqr_pre 278879170
Flx_sqrspec 279174782
Flx_sqrspec_Kronecker 695696
Flx_sqrspec_basecase 279290247
Flx_sqrspec_halfsqri 136
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2066
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138714475
Flx_subspec 898328
Flx_to_Flv 66722449
Flx_to_FlxX 71657
Flx_to_ZX 38312159
Flx_to_ZX_inplace 36582826
Flx_to_int_halfspec 468632
Flx_to_int_quartspec 204547
Flx_translate1 17108
Flx_translate1_basecase 29202
Flx_triple 1049887
Flx_unscale 0
Flx_val 4613438
Flx_valrem 28415548
Flxn_div 55170
Flxn_div_pre 55187
Flxn_exp 0
Flxn_expint 109404
Flxn_inv 1037
Flxn_mul 75850
Flxn_mul_pre 5170005
Flxn_mulhigh 516824
Flxn_recip 217332
Flxn_red 6341090
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 69449
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 783444
Flxq_auttrace_pre 963575
Flxq_auttrace_sqr 656072
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519371
Flxq_inv 335767
Flxq_inv_pre 4287566
Flxq_invsafe 670752
Flxq_invsafe_pre 5432472
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 170659
Flxq_minpoly 45965
Flxq_minpoly_pre 812742
Flxq_mul 13192514
Flxq_mul_pre 189307871
Flxq_norm 443324
Flxq_order 97328
Flxq_pow 948261
Flxq_pow_Frobenius 22473236
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23536700
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232048
Flxq_powers_pre 22459474
Flxq_powu 488493
Flxq_powu_pre 24383295
Flxq_sqr 2763153
Flxq_sqr_pre 277935803
Flxq_sqrt 230463
Flxq_sqrt_pre 230463
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 4228694
Flxq_transmul_init 1752836
RgXV_to_FlxV 7
RgX_to_Flx 2250784
Rg_to_F2 1710354
Rg_to_Fl 73223346
Rg_to_Flxq 3597485
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3813926
ZXV_to_FlxV 0
ZX_to_Flx 171065203
Z_mod2BIL_Flx 295043
Z_mod2BIL_Flx_2 297973
Z_mod2BIL_Flx_3 0
Z_to_Flx 7562079
ZpX_invLaplace_init 497
_Fl2_mul 1995277
_Fl2_pow 692338
_Fl2_rand 118754
_Fl2_sqr 5099584
_Flx_add 0
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 11641067
_Flx_one 0
_Flx_pow 0
_Flx_sqr 0
_Flxq_add 389834
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 148091477
_Flxq_neg 366572
_Flxq_one 22460116
_Flxq_pow 22465830
_Flxq_powu 68
_Flxq_powu_i 23128241
_Flxq_rand 6574
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 270098690
bounded_order 395395
gener_Flxq 7201
get_Fl_threshold 2335786181
get_Flx_red 991960664
get_Flxq_field 68902
get_Flxq_star 283445
init_invlaplace 12514
int_to_Flx 12215
int_to_Flx_half 507079
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 20954698
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 5656115
kron_unpack_Flx_bits_wide 5654228
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8452037
mkF2 7595097
monomial_Flx 944672
random_Flx 2653075
set_Flxq 68922
set_Flxq_pre 69679094
translate_basecase 42367
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6603711

Generated by: LCOV version 1.16