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 30558-88b7dc3357) Lines: 2553 2925 87.3 %
Date: 2025-11-27 09:21:46 Functions: 304 363 83.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 462872
Fl2_inv_pre 202137
Fl2_mul_pre 2016075
Fl2_norm_pre 128202
Fl2_pow_pre 690539
Fl2_sqr_pre 5078874
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78446
Fl_Flxq_log 35535
Fl_Xp1_powu 0
Fl_to_Flx 21230312
Flm_to_FlxV 2772
FlvV_polint_tree 2540735
Flv_Flm_polint 103491
Flv_inv 1744768
Flv_invVandermonde 153445
Flv_inv_i 1756777
Flv_inv_indir 51281
Flv_inv_inplace 12017
Flv_inv_pre 10047
Flv_inv_pre_indir 21408266
Flv_inv_pre_inplace 19670085
Flv_polint 1486553
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1745967
Flv_roots_to_pol 795681
Flv_to_Flx 25513873
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 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 297707
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28968
FlxV_factorback 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171873
FlxV_to_Flm_lg 12984314
FlxV_to_FlxX 397977
FlxV_to_ZXV 606904
FlxV_to_ZXV_inplace 3031441
Flx_Fl2_eval_pre 10773
Flx_Fl_add 10029615
Flx_Fl_mul 7328871
Flx_Fl_mul_pre 18300534
Flx_Fl_mul_to_monic 12028781
Flx_Fl_sub 151841
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786273
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13182943
Flx_Flxq_eval 791687
Flx_Flxq_eval_pre 2448932
Flx_Frobenius 86485
Flx_Frobenius_pre 13814413
Flx_Laplace 27339
Flx_Newton 54094
Flx_add 64930132
Flx_addmulmul 416803
Flx_addshift 3728641
Flx_addspec 7257702
Flx_blocks 516892
Flx_blocks_Flm 12982935
Flx_composedprod 0
Flx_composedsum 27549
Flx_convol 0
Flx_deflate 421035
Flx_deriv 22987868
Flx_diff1 14448
Flx_digits 0
Flx_div_by_X_x 34740024
Flx_divrem 30451444
Flx_divrem_Barrett 605604
Flx_divrem_Barrettspec 906687
Flx_divrem_basecase 62326111
Flx_divrem_pre 79762024
Flx_double 2445177
Flx_equal 28069572
Flx_eval 20408512
Flx_eval2BILspec 579103
Flx_eval_powers_pre 48574984
Flx_eval_pre 136376636
Flx_extgcd 857237
Flx_extgcd_basecase 6289633
Flx_extgcd_halfgcd 146654
Flx_extgcd_pre 6289630
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109400
Flx_gcd 34256906
Flx_gcd_basecase 85178649
Flx_gcd_pre 86851237
Flx_get_red 14505070
Flx_get_red_pre 98463781
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1130226
Flx_halfgcd_all_pre 1130226
Flx_halfgcd_pre 875855
Flx_halfres_basecase 1137306
Flx_halfres_i 1157270
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160900
Flx_integ 0
Flx_integXn 422699
Flx_invBarrett 0
Flx_invBarrett_Newton 23160
Flx_invBarrett_basecase 134339
Flx_invBarrett_pre 158800
Flx_invLaplace 54364
Flx_is_l_pow 8236
Flx_is_smooth 74256
Flx_is_smooth_pre 119229
Flx_is_smooth_squarefree 127462
Flx_is_squarefree 9184064
Flx_lgrenormalizespec 2135261
Flx_matFrobenius 0
Flx_matFrobenius_pre 86561
Flx_mod_Xn1 31763
Flx_mod_Xnm1 5056577
Flx_mul 27839304
Flx_mul_pre 379654004
Flx_mulhigh_i 938409
Flx_mullimb 1190455866
Flx_mullimb_ok 3410921625
Flx_mulspec 385248521
Flx_mulspec_Kronecker 7296821
Flx_mulspec_basecase 347553827
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10137
Flx_mulspec_mulii_inflate 282096
Flx_mulspec_quartmulii 97164
Flx_neg 3265251
Flx_neg_inplace 1778757
Flx_negspec 3265246
Flx_normalize 63965158
Flx_powu 0
Flx_powu_pre 3972
Flx_recip 0
Flx_recipspec 7304932
Flx_red 1883832
Flx_rem 42222446
Flx_rem_basecase 804877292
Flx_rem_pre 929509794
Flx_renormalize 2159123205
Flx_rescale 1117
Flx_resultant 4735388
Flx_resultant_basecase_pre 14621831
Flx_resultant_pre 14623794
Flx_shift 27414160
Flx_shiftip 636618040
Flx_splitting 147720
Flx_sqr 354684
Flx_sqr_pre 280633718
Flx_sqrspec 280810431
Flx_sqrspec_Kronecker 691236
Flx_sqrspec_basecase 280011907
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2070
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138713212
Flx_subspec 898936
Flx_to_Flv 66696114
Flx_to_FlxX 71629
Flx_to_ZX 38304314
Flx_to_ZX_inplace 36572699
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204546
Flx_translate1 17108
Flx_translate1_basecase 29202
Flx_triple 1049887
Flx_unscale 0
Flx_val 4485619
Flx_valrem 27431022
Flxn_div 55151
Flxn_div_pre 55174
Flxn_exp 0
Flxn_expint 109401
Flxn_inv 1037
Flxn_mul 75843
Flxn_mul_pre 5167425
Flxn_mulhigh 516798
Flxn_recip 217307
Flxn_red 6337605
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 47314
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112473
Flxq_autsum_pre 98769
Flxq_autsum_sqr 105111
Flxq_auttrace 0
Flxq_auttrace_mul 782822
Flxq_auttrace_pre 962581
Flxq_auttrace_sqr 655312
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519355
Flxq_inv 335768
Flxq_inv_pre 4287536
Flxq_invsafe 670721
Flxq_invsafe_pre 5432403
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 170658
Flxq_minpoly 45979
Flxq_minpoly_pre 812088
Flxq_mul 13192514
Flxq_mul_pre 191461444
Flxq_norm 443322
Flxq_order 97328
Flxq_pow 948392
Flxq_pow_Frobenius 23520140
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 24583745
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232063
Flxq_powers_pre 22451128
Flxq_powu 488406
Flxq_powu_pre 24363854
Flxq_sqr 2763153
Flxq_sqr_pre 279618423
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
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 4225626
Flxq_transmul_init 1751693
RgXV_to_FlxV 7
RgX_to_Flx 2250301
Rg_to_F2 1710419
Rg_to_Fl 73223283
Rg_to_Flxq 3598597
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3814398
ZXV_to_FlxV 0
ZX_to_Flx 171021456
Z_mod2BIL_Flx 293618
Z_mod2BIL_Flx_2 296548
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561388
ZpX_invLaplace_init 497
_Fl2_mul 1987038
_Fl2_pow 690533
_Fl2_rand 118397
_Fl2_sqr 5078854
_Flx_add 0
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 11009356
_Flx_one 0
_Flx_pow 0
_Flx_sqr 0
_Flxq_add 389834
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 150201155
_Flxq_neg 366572
_Flxq_one 22444307
_Flxq_pow 23512731
_Flxq_powu 68
_Flxq_powu_i 23108829
_Flxq_rand 6543
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 271584989
bounded_order 395362
gener_Flxq 7201
get_Fl_threshold 2340073620
get_Flx_red 993553652
get_Flxq_field 68902
get_Flxq_star 283445
init_invlaplace 12514
int_to_Flx 12213
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 20878264
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 5660263
kron_unpack_Flx_bits_wide 5611315
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8410890
mkF2 7567310
monomial_Flx 944197
random_Flx 2651513
set_Flxq 68922
set_Flxq_pre 70692410
translate_basecase 42367
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6532640

Generated by: LCOV version 1.16