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 30370-b9c4b6d044) Lines: 2553 2914 87.6 %
Date: 2025-07-05 09:22:59 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 464138
Fl2_inv_pre 202540
Fl2_mul_pre 2024529
Fl2_norm_pre 127097
Fl2_pow_pre 692357
Fl2_sqr_pre 5105949
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78704
Fl_Flxq_log 35545
Fl_Xp1_powu 0
Fl_to_Flx 20354455
Flm_to_FlxV 2772
FlvV_polint_tree 1424515
Flv_Flm_polint 103575
Flv_inv 626811
Flv_invVandermonde 153445
Flv_inv_i 638820
Flv_inv_indir 51385
Flv_inv_inplace 12017
Flv_inv_pre 10037
Flv_inv_pre_indir 20234611
Flv_inv_pre_inplace 19618719
Flv_polint 368516
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 628011
Flv_roots_to_pol 797608
Flv_to_Flx 25484322
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 325160
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 294699
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28990
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171887
FlxV_to_Flm_lg 12969548
FlxV_to_FlxX 397977
FlxV_to_ZXV 606876
FlxV_to_ZXV_inplace 3028147
Flx_Fl2_eval_pre 10528
Flx_Fl_add 10145258
Flx_Fl_mul 7325580
Flx_Fl_mul_pre 18289650
Flx_Fl_mul_to_monic 12139342
Flx_Fl_sub 151838
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 668314
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13168050
Flx_Flxq_eval 790621
Flx_Flxq_eval_pre 2444099
Flx_Frobenius 86486
Flx_Frobenius_pre 13805543
Flx_Laplace 27364
Flx_Newton 54168
Flx_add 63376280
Flx_addmulmul 416642
Flx_addshift 3684621
Flx_addspec 7169811
Flx_blocks 516863
Flx_blocks_Flm 12968551
Flx_composedprod 0
Flx_composedsum 27582
Flx_convol 0
Flx_deflate 420975
Flx_deriv 21862813
Flx_diff1 13482
Flx_digits 0
Flx_div_by_X_x 34731621
Flx_divrem 30449809
Flx_divrem_Barrett 604485
Flx_divrem_Barrettspec 905271
Flx_divrem_basecase 62278208
Flx_divrem_pre 79717637
Flx_double 2445177
Flx_equal 26960241
Flx_eval 20423359
Flx_eval2BILspec 583187
Flx_eval_powers_pre 48377439
Flx_eval_pre 100774184
Flx_extgcd 857200
Flx_extgcd_basecase 6286204
Flx_extgcd_halfgcd 146592
Flx_extgcd_pre 6286195
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109432
Flx_gcd 34058825
Flx_gcd_basecase 85106088
Flx_gcd_pre 86762957
Flx_get_red 14493730
Flx_get_red_pre 97398200
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1128051
Flx_halfgcd_all_pre 1128056
Flx_halfgcd_pre 874266
Flx_halfres_basecase 1135127
Flx_halfres_i 1155093
Flx_halfres_pre 1044
Flx_halfres_split 19963
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160434
Flx_integ 0
Flx_integXn 422809
Flx_invBarrett 0
Flx_invBarrett_Newton 23161
Flx_invBarrett_basecase 134326
Flx_invBarrett_pre 158788
Flx_invLaplace 54409
Flx_is_l_pow 8213
Flx_is_smooth 74256
Flx_is_smooth_pre 118702
Flx_is_smooth_squarefree 126883
Flx_is_squarefree 9183365
Flx_lgrenormalizespec 2132937
Flx_matFrobenius 0
Flx_matFrobenius_pre 86570
Flx_mod_Xn1 31763
Flx_mod_Xnm1 5177698
Flx_mul 27780761
Flx_mul_pre 373218609
Flx_mulhigh_i 938409
Flx_mullimb 1171730599
Flx_mullimb_ok 3378429385
Flx_mulspec 378890489
Flx_mulspec_Kronecker 7266013
Flx_mulspec_basecase 341608596
Flx_mulspec_halfmulii 5481
Flx_mulspec_mulii 10145
Flx_mulspec_mulii_inflate 284150
Flx_mulspec_quartmulii 97163
Flx_neg 3264620
Flx_neg_inplace 1756902
Flx_negspec 3264609
Flx_normalize 64185489
Flx_powu 0
Flx_powu_pre 7859
Flx_recip 0
Flx_recipspec 7292982
Flx_red 1881201
Flx_rem 42209257
Flx_rem_basecase 792734503
Flx_rem_pre 917013577
Flx_renormalize 2127013314
Flx_rescale 1117
Flx_resultant 4734168
Flx_resultant_basecase_pre 10272514
Flx_resultant_pre 10274521
Flx_shift 27387638
Flx_shiftip 630588254
Flx_splitting 147382
Flx_sqr 354632
Flx_sqr_pre 280305283
Flx_sqrspec 280650082
Flx_sqrspec_Kronecker 690226
Flx_sqrspec_basecase 280815734
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2264
Flx_sqrspec_sqri_inflate 11498
Flx_sub 138666513
Flx_subspec 897770
Flx_to_Flv 66629081
Flx_to_FlxX 71629
Flx_to_ZX 37308998
Flx_to_ZX_inplace 36556879
Flx_to_int_halfspec 468815
Flx_to_int_quartspec 204543
Flx_translate1 16142
Flx_translate1_basecase 28236
Flx_triple 1049887
Flx_unscale 0
Flx_val 4468943
Flx_valrem 27564730
Flxn_div 55207
Flxn_div_pre 55233
Flxn_exp 0
Flxn_expint 109429
Flxn_inv 1030
Flxn_mul 75867
Flxn_mul_pre 5161961
Flxn_mulhigh 516755
Flxn_recip 217423
Flxn_red 6332671
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 782897
Flxq_auttrace_pre 962211
Flxq_auttrace_sqr 655370
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519213
Flxq_inv 335767
Flxq_inv_pre 4284258
Flxq_invsafe 670639
Flxq_invsafe_pre 5429007
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 170663
Flxq_minpoly 44915
Flxq_minpoly_pre 810653
Flxq_mul 13191067
Flxq_mul_pre 189677850
Flxq_norm 443318
Flxq_order 97328
Flxq_pow 932589
Flxq_pow_Frobenius 22410127
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23451591
Flxq_pow_table 0
Flxq_pow_table_pre 4394
Flxq_powers 232055
Flxq_powers_pre 22426593
Flxq_powu 488414
Flxq_powu_pre 24474255
Flxq_sqr 2759490
Flxq_sqr_pre 279305163
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 4217884
Flxq_transmul_init 1748507
RgXV_to_FlxV 7
RgX_to_Flx 2250311
Rg_to_F2 1706817
Rg_to_Fl 73222293
Rg_to_Flxq 3598630
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3797854
ZXV_to_FlxV 0
ZX_to_Flx 169937596
Z_mod2BIL_Flx 295648
Z_mod2BIL_Flx_2 298578
Z_mod2BIL_Flx_3 0
Z_to_Flx 2631527
ZpX_invLaplace_init 497
_Fl2_mul 1996001
_Fl2_pow 692349
_Fl2_rand 118780
_Fl2_sqr 5105955
_Flx_add 389834
_Flx_composedsum 3910
_Flx_divrem 0
_Flx_mul 11018899
_Flx_sqr 0
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 148500237
_Flxq_neg 366572
_Flxq_one 22425733
_Flxq_pow 22402720
_Flxq_powu 68
_Flxq_powu_i 23218836
_Flxq_rand 5574
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 271517016
bounded_order 394035
gener_Flxq 7201
get_Fl_threshold 2310816933
get_Flx_red 981066282
get_Flxq_field 68902
get_Flxq_star 280807
init_invlaplace 12514
int_to_Flx 12412
int_to_Flx_half 507265
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 20815394
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 5656531
kron_unpack_Flx_bits_wide 5580933
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8380782
mkF2 7603040
monomial_Flx 942683
random_Flx 2646514
set_Flxq 68922
set_Flxq_pre 69652760
translate_basecase 41401
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6475246

Generated by: LCOV version 1.16