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 30472-f680168c62) Lines: 2553 2914 87.6 %
Date: 2025-08-17 09:23:55 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 462717
Fl2_inv_pre 202048
Fl2_mul_pre 2014656
Fl2_norm_pre 128069
Fl2_pow_pre 690343
Fl2_sqr_pre 5075880
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78435
Fl_Flxq_log 35538
Fl_Xp1_powu 0
Fl_to_Flx 21210341
Flm_to_FlxV 2772
FlvV_polint_tree 2540817
Flv_Flm_polint 103477
Flv_inv 1744786
Flv_invVandermonde 153445
Flv_inv_i 1756800
Flv_inv_indir 51283
Flv_inv_inplace 12017
Flv_inv_pre 10048
Flv_inv_pre_indir 21396636
Flv_inv_pre_inplace 19665686
Flv_polint 1486586
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1745992
Flv_roots_to_pol 795655
Flv_to_Flx 25485157
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 325159
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 296180
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28993
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171890
FlxV_to_Flm_lg 12970085
FlxV_to_FlxX 397977
FlxV_to_ZXV 606895
FlxV_to_ZXV_inplace 3029127
Flx_Fl2_eval_pre 10528
Flx_Fl_add 10026884
Flx_Fl_mul 7326593
Flx_Fl_mul_pre 18289985
Flx_Fl_mul_to_monic 12027743
Flx_Fl_sub 151845
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786292
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13168617
Flx_Flxq_eval 790630
Flx_Flxq_eval_pre 2444611
Flx_Frobenius 86485
Flx_Frobenius_pre 13811597
Flx_Laplace 27358
Flx_Newton 54157
Flx_add 64850590
Flx_addmulmul 416636
Flx_addshift 3684967
Flx_addspec 7170354
Flx_blocks 517180
Flx_blocks_Flm 12969214
Flx_composedprod 0
Flx_composedsum 27582
Flx_convol 0
Flx_deflate 420973
Flx_deriv 22986255
Flx_diff1 13482
Flx_digits 0
Flx_div_by_X_x 34739700
Flx_divrem 30449633
Flx_divrem_Barrett 605187
Flx_divrem_Barrettspec 905697
Flx_divrem_basecase 62295694
Flx_divrem_pre 79733939
Flx_double 2445177
Flx_equal 26940462
Flx_eval 20420439
Flx_eval2BILspec 579085
Flx_eval_powers_pre 48626495
Flx_eval_pre 136383984
Flx_extgcd 857247
Flx_extgcd_basecase 6286311
Flx_extgcd_halfgcd 146588
Flx_extgcd_pre 6286295
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109420
Flx_gcd 34247395
Flx_gcd_basecase 85184613
Flx_gcd_pre 86846082
Flx_get_red 14500846
Flx_get_red_pre 97289756
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1128119
Flx_halfgcd_all_pre 1128123
Flx_halfgcd_pre 874517
Flx_halfres_basecase 1135197
Flx_halfres_i 1155163
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160570
Flx_integ 0
Flx_integXn 422838
Flx_invBarrett 0
Flx_invBarrett_Newton 23160
Flx_invBarrett_basecase 134339
Flx_invBarrett_pre 158799
Flx_invLaplace 54415
Flx_is_l_pow 8176
Flx_is_smooth 74256
Flx_is_smooth_pre 118386
Flx_is_smooth_squarefree 126534
Flx_is_squarefree 9184016
Flx_lgrenormalizespec 2133967
Flx_matFrobenius 0
Flx_matFrobenius_pre 86572
Flx_mod_Xn1 31765
Flx_mod_Xnm1 5057011
Flx_mul 27823621
Flx_mul_pre 376932057
Flx_mulhigh_i 938984
Flx_mullimb 1185302828
Flx_mullimb_ok 3372593638
Flx_mulspec 382577817
Flx_mulspec_Kronecker 7264517
Flx_mulspec_basecase 345250142
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10141
Flx_mulspec_mulii_inflate 282087
Flx_mulspec_quartmulii 97178
Flx_neg 3264972
Flx_neg_inplace 1756920
Flx_negspec 3264958
Flx_normalize 63964586
Flx_powu 0
Flx_powu_pre 3947
Flx_recip 0
Flx_recipspec 7295186
Flx_red 1882514
Flx_rem 42213293
Flx_rem_basecase 801040020
Flx_rem_pre 925309141
Flx_renormalize 2152387782
Flx_rescale 1117
Flx_resultant 4734205
Flx_resultant_basecase_pre 14620349
Flx_resultant_pre 14622423
Flx_shift 27394759
Flx_shiftip 632086173
Flx_splitting 147550
Flx_sqr 354662
Flx_sqr_pre 278207121
Flx_sqrspec 278521865
Flx_sqrspec_Kronecker 691208
Flx_sqrspec_basecase 278564210
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2070
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138675948
Flx_subspec 898133
Flx_to_Flv 66634335
Flx_to_FlxX 71629
Flx_to_ZX 38303202
Flx_to_ZX_inplace 36573140
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204574
Flx_translate1 16142
Flx_translate1_basecase 28236
Flx_triple 1049887
Flx_unscale 0
Flx_val 4493905
Flx_valrem 27422966
Flxn_div 55207
Flxn_div_pre 55241
Flxn_exp 0
Flxn_expint 109416
Flxn_inv 1037
Flxn_mul 75869
Flxn_mul_pre 5164440
Flxn_mulhigh 517083
Flxn_recip 217466
Flxn_red 6335798
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 20698
Flxq_autpow_pre 67499
Flxq_autpow_sqr 46263
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112490
Flxq_autsum_pre 98774
Flxq_autsum_sqr 105124
Flxq_auttrace 0
Flxq_auttrace_mul 782819
Flxq_auttrace_pre 962474
Flxq_auttrace_sqr 655320
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519230
Flxq_inv 335770
Flxq_inv_pre 4284283
Flxq_invsafe 670651
Flxq_invsafe_pre 5429057
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 170665
Flxq_minpoly 44915
Flxq_minpoly_pre 810915
Flxq_mul 13191063
Flxq_mul_pre 188917903
Flxq_norm 443327
Flxq_order 97328
Flxq_pow 948342
Flxq_pow_Frobenius 22383483
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23440721
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232072
Flxq_powers_pre 22437548
Flxq_powu 488424
Flxq_powu_pre 24357654
Flxq_sqr 2759492
Flxq_sqr_pre 277250865
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_sqrtl_spec_pre 35707
Flxq_sqrtn 20454
Flxq_sqrtn_spec_pre 19262
Flxq_sumautsum_msqr 40558
Flxq_sumautsum_pre 208704
Flxq_sumautsum_sqr 292682
Flxq_trace 4696
Flxq_transmul 4218743
Flxq_transmul_init 1748995
RgXV_to_FlxV 7
RgX_to_Flx 2250316
Rg_to_F2 1706957
Rg_to_Fl 73224291
Rg_to_Flxq 3598650
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3814042
ZXV_to_FlxV 0
ZX_to_Flx 171025278
Z_mod2BIL_Flx 293609
Z_mod2BIL_Flx_2 296539
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561428
ZpX_invLaplace_init 497
_Fl2_mul 1986246
_Fl2_pow 690333
_Fl2_rand 118361
_Fl2_sqr 5075900
_Flx_add 389834
_Flx_composedsum 3910
_Flx_divrem 0
_Flx_mul 11008370
_Flx_sqr 0
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 147745827
_Flxq_neg 366572
_Flxq_one 22436858
_Flxq_pow 22376071
_Flxq_powu 68
_Flxq_powu_i 23102051
_Flxq_rand 5571
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 269469612
bounded_order 394041
gener_Flxq 7201
get_Fl_threshold 2326654207
get_Flx_red 989319870
get_Flxq_field 68902
get_Flxq_star 280807
init_invlaplace 12514
int_to_Flx 12217
int_to_Flx_half 507268
int_to_Flx_quart 107396
kron_pack_Flx_spec 53168
kron_pack_Flx_spec_2 3389
kron_pack_Flx_spec_3 0
kron_pack_Flx_spec_bits 20813494
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 5659069
kron_unpack_Flx_bits_wide 5578481
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8378529
mkF2 7561848
monomial_Flx 942937
random_Flx 2647060
set_Flxq 68922
set_Flxq_pre 69535298
translate_basecase 41401
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6531527

Generated by: LCOV version 1.16