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 30573-61accf17c8) Lines: 2553 2925 87.3 %
Date: 2025-12-15 09:22:15 Functions: 304 363 83.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 462979
Fl2_inv_pre 202132
Fl2_mul_pre 2015441
Fl2_norm_pre 128213
Fl2_pow_pre 690647
Fl2_sqr_pre 5076150
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78441
Fl_Flxq_log 35538
Fl_Xp1_powu 0
Fl_to_Flx 21221933
Flm_to_FlxV 2772
FlvV_polint_tree 2540733
Flv_Flm_polint 103488
Flv_inv 1744811
Flv_invVandermonde 153445
Flv_inv_i 1756822
Flv_inv_indir 51279
Flv_inv_inplace 12017
Flv_inv_pre 10046
Flv_inv_pre_indir 21424785
Flv_inv_pre_inplace 19695343
Flv_polint 1486602
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1746018
Flv_roots_to_pol 795597
Flv_to_Flx 25522273
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 325157
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 294162
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28961
FlxV_factorback 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171880
FlxV_to_Flm_lg 12989746
FlxV_to_FlxX 397977
FlxV_to_ZXV 606929
FlxV_to_ZXV_inplace 3032236
Flx_Fl2_eval_pre 10773
Flx_Fl_add 10030477
Flx_Fl_mul 7326724
Flx_Fl_mul_pre 18297458
Flx_Fl_mul_to_monic 12030663
Flx_Fl_sub 151854
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786319
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13188365
Flx_Flxq_eval 791720
Flx_Flxq_eval_pre 2449850
Flx_Frobenius 86485
Flx_Frobenius_pre 13819263
Flx_Laplace 27338
Flx_Newton 54091
Flx_add 64932751
Flx_addmulmul 416797
Flx_addshift 3728641
Flx_addspec 7257702
Flx_blocks 517031
Flx_blocks_Flm 12988851
Flx_composedprod 0
Flx_composedsum 27551
Flx_convol 0
Flx_deflate 421063
Flx_deriv 22990990
Flx_diff1 14448
Flx_digits 0
Flx_div_by_X_x 34769892
Flx_divrem 30452805
Flx_divrem_Barrett 604619
Flx_divrem_Barrettspec 905547
Flx_divrem_basecase 62336781
Flx_divrem_pre 79770840
Flx_double 2445177
Flx_equal 26927561
Flx_eval 20417425
Flx_eval2BILspec 579083
Flx_eval_powers_pre 48576417
Flx_eval_pre 136376134
Flx_extgcd 857316
Flx_extgcd_basecase 6289754
Flx_extgcd_halfgcd 146649
Flx_extgcd_pre 6289734
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109391
Flx_gcd 34269006
Flx_gcd_basecase 85217444
Flx_gcd_pre 86882818
Flx_get_red 14511931
Flx_get_red_pre 97347341
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1130364
Flx_halfgcd_all_pre 1130367
Flx_halfgcd_pre 876206
Flx_halfres_basecase 1137444
Flx_halfres_i 1157408
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160253
Flx_integ 0
Flx_integXn 422762
Flx_invBarrett 0
Flx_invBarrett_Newton 23161
Flx_invBarrett_basecase 134338
Flx_invBarrett_pre 158799
Flx_invLaplace 54365
Flx_is_l_pow 8176
Flx_is_smooth 74256
Flx_is_smooth_pre 118748
Flx_is_smooth_squarefree 126872
Flx_is_squarefree 9184860
Flx_lgrenormalizespec 2133443
Flx_matFrobenius 0
Flx_matFrobenius_pre 86565
Flx_mod_Xn1 31769
Flx_mod_Xnm1 5056807
Flx_mul 27837323
Flx_mul_pre 377176886
Flx_mulhigh_i 938877
Flx_mullimb 1188229873
Flx_mullimb_ok 3379409048
Flx_mulspec 382877626
Flx_mulspec_Kronecker 7291472
Flx_mulspec_basecase 345496600
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10135
Flx_mulspec_mulii_inflate 282086
Flx_mulspec_quartmulii 97165
Flx_neg 3264433
Flx_neg_inplace 1778757
Flx_negspec 3264447
Flx_normalize 64000089
Flx_powu 0
Flx_powu_pre 3915
Flx_recip 0
Flx_recipspec 7305047
Flx_red 1880849
Flx_rem 42218414
Flx_rem_basecase 801517515
Flx_rem_pre 925733783
Flx_renormalize 2153971118
Flx_rescale 1116
Flx_resultant 4736144
Flx_resultant_basecase_pre 14622240
Flx_resultant_pre 14624314
Flx_shift 27422617
Flx_shiftip 632689665
Flx_splitting 147327
Flx_sqr 354641
Flx_sqr_pre 278520675
Flx_sqrspec 278859181
Flx_sqrspec_Kronecker 691149
Flx_sqrspec_basecase 278891397
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2068
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138725281
Flx_subspec 897953
Flx_to_Flv 66717088
Flx_to_FlxX 71643
Flx_to_ZX 38308469
Flx_to_ZX_inplace 36573482
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204548
Flx_translate1 17108
Flx_translate1_basecase 29202
Flx_triple 1049887
Flx_unscale 0
Flx_val 4488796
Flx_valrem 27449553
Flxn_div 55163
Flxn_div_pre 55187
Flxn_exp 0
Flxn_expint 109394
Flxn_inv 1037
Flxn_mul 75840
Flxn_mul_pre 5169728
Flxn_mulhigh 516951
Flxn_recip 217325
Flxn_red 6341067
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 69451
Flxq_autpow_sqr 47315
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112480
Flxq_autsum_pre 98770
Flxq_autsum_sqr 105116
Flxq_auttrace 0
Flxq_auttrace_mul 782962
Flxq_auttrace_pre 962909
Flxq_auttrace_sqr 655428
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519347
Flxq_inv 335765
Flxq_inv_pre 4287516
Flxq_invsafe 670727
Flxq_invsafe_pre 5432443
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 170660
Flxq_minpoly 45993
Flxq_minpoly_pre 812463
Flxq_mul 13192505
Flxq_mul_pre 189038716
Flxq_norm 443321
Flxq_order 97328
Flxq_pow 948403
Flxq_pow_Frobenius 22379236
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23442744
Flxq_pow_table 0
Flxq_pow_table_pre 4392
Flxq_powers 232066
Flxq_powers_pre 22454771
Flxq_powu 488418
Flxq_powu_pre 24368222
Flxq_sqr 2763156
Flxq_sqr_pre 277569632
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_sqrtl_spec_pre 37667
Flxq_sqrtn 23095
Flxq_sqrtn_spec_pre 21901
Flxq_sumautsum_msqr 40915
Flxq_sumautsum_pre 210713
Flxq_sumautsum_sqr 295314
Flxq_trace 4696
Flxq_transmul 4227381
Flxq_transmul_init 1752387
RgXV_to_FlxV 7
RgX_to_Flx 2250309
Rg_to_F2 1710343
Rg_to_Fl 73223409
Rg_to_Flxq 3598778
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3813502
ZXV_to_FlxV 0
ZX_to_Flx 171037037
Z_mod2BIL_Flx 293608
Z_mod2BIL_Flx_2 296538
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561736
ZpX_invLaplace_init 497
_Fl2_mul 1986416
_Fl2_pow 690645
_Fl2_rand 118374
_Fl2_sqr 5076145
_Flx_add 0
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 11012186
_Flx_one 0
_Flx_pow 0
_Flx_sqr 0
_Flxq_add 389834
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 147828651
_Flxq_neg 366572
_Flxq_one 22454486
_Flxq_pow 22371826
_Flxq_powu 68
_Flxq_powu_i 23113596
_Flxq_rand 6563
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 269775375
bounded_order 395385
gener_Flxq 7201
get_Fl_threshold 2328212749
get_Flx_red 989752459
get_Flxq_field 68902
get_Flxq_star 283446
init_invlaplace 12514
int_to_Flx 12216
int_to_Flx_half 507268
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 20867608
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 5657235
kron_unpack_Flx_bits_wide 5607721
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8404831
mkF2 7562727
monomial_Flx 944551
random_Flx 2652118
set_Flxq 68922
set_Flxq_pre 69562269
translate_basecase 42367
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6539567

Generated by: LCOV version 1.16