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 30418-83092bf331) Lines: 2553 2914 87.6 %
Date: 2025-07-29 09:22:49 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 462852
Fl2_inv_pre 202043
Fl2_mul_pre 2014779
Fl2_norm_pre 128101
Fl2_pow_pre 690479
Fl2_sqr_pre 5076212
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78450
Fl_Flxq_log 35518
Fl_Xp1_powu 0
Fl_to_Flx 21220947
Flm_to_FlxV 2772
FlvV_polint_tree 2540707
Flv_Flm_polint 103476
Flv_inv 1744757
Flv_invVandermonde 153445
Flv_inv_i 1756769
Flv_inv_indir 51282
Flv_inv_inplace 12017
Flv_inv_pre 10047
Flv_inv_pre_indir 21400693
Flv_inv_pre_inplace 19668218
Flv_polint 1486561
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1745955
Flv_roots_to_pol 795686
Flv_to_Flx 25483830
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 293633
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28988
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171877
FlxV_to_Flm_lg 12969421
FlxV_to_FlxX 397977
FlxV_to_ZXV 606888
FlxV_to_ZXV_inplace 3028158
Flx_Fl2_eval_pre 10528
Flx_Fl_add 10024628
Flx_Fl_mul 7326045
Flx_Fl_mul_pre 18290346
Flx_Fl_mul_to_monic 12023322
Flx_Fl_sub 151846
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786260
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13168180
Flx_Flxq_eval 790617
Flx_Flxq_eval_pre 2444084
Flx_Frobenius 86486
Flx_Frobenius_pre 13805676
Flx_Laplace 27358
Flx_Newton 54154
Flx_add 64857780
Flx_addmulmul 416644
Flx_addshift 3684967
Flx_addspec 7170354
Flx_blocks 517132
Flx_blocks_Flm 12968468
Flx_composedprod 0
Flx_composedsum 27572
Flx_convol 0
Flx_deflate 420969
Flx_deriv 22980581
Flx_diff1 13482
Flx_digits 0
Flx_div_by_X_x 34761635
Flx_divrem 30449856
Flx_divrem_Barrett 604489
Flx_divrem_Barrettspec 905427
Flx_divrem_basecase 62285414
Flx_divrem_pre 79727248
Flx_double 2445177
Flx_equal 26962971
Flx_eval 20423352
Flx_eval2BILspec 579103
Flx_eval_powers_pre 48655850
Flx_eval_pre 136392929
Flx_extgcd 857186
Flx_extgcd_basecase 6286193
Flx_extgcd_halfgcd 146592
Flx_extgcd_pre 6286197
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109432
Flx_gcd 34237771
Flx_gcd_basecase 85164975
Flx_gcd_pre 86826744
Flx_get_red 14493440
Flx_get_red_pre 97282370
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1128012
Flx_halfgcd_all_pre 1128016
Flx_halfgcd_pre 874227
Flx_halfres_basecase 1135091
Flx_halfres_i 1155056
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160295
Flx_integ 0
Flx_integXn 422810
Flx_invBarrett 0
Flx_invBarrett_Newton 23161
Flx_invBarrett_basecase 134341
Flx_invBarrett_pre 158802
Flx_invLaplace 54398
Flx_is_l_pow 8207
Flx_is_smooth 74256
Flx_is_smooth_pre 118745
Flx_is_smooth_squarefree 126936
Flx_is_squarefree 9183239
Flx_lgrenormalizespec 2132702
Flx_matFrobenius 0
Flx_matFrobenius_pre 86562
Flx_mod_Xn1 31762
Flx_mod_Xnm1 5057458
Flx_mul 27823863
Flx_mul_pre 377156651
Flx_mulhigh_i 938678
Flx_mullimb 1185412331
Flx_mullimb_ok 3374239164
Flx_mulspec 382708534
Flx_mulspec_Kronecker 7262662
Flx_mulspec_basecase 345073071
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10142
Flx_mulspec_mulii_inflate 282096
Flx_mulspec_quartmulii 97165
Flx_neg 3264403
Flx_neg_inplace 1756920
Flx_negspec 3264395
Flx_normalize 63970321
Flx_powu 0
Flx_powu_pre 3908
Flx_recip 0
Flx_recipspec 7292959
Flx_red 1880223
Flx_rem 42214641
Flx_rem_basecase 800788818
Flx_rem_pre 925579040
Flx_renormalize 2152062996
Flx_rescale 1117
Flx_resultant 4734262
Flx_resultant_basecase_pre 14620420
Flx_resultant_pre 14622370
Flx_shift 27387659
Flx_shiftip 632433151
Flx_splitting 147269
Flx_sqr 354610
Flx_sqr_pre 278986920
Flx_sqrspec 279161742
Flx_sqrspec_Kronecker 691182
Flx_sqrspec_basecase 278389580
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2067
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138667119
Flx_subspec 897776
Flx_to_Flv 66628417
Flx_to_FlxX 71629
Flx_to_ZX 38283788
Flx_to_ZX_inplace 36559460
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204550
Flx_translate1 16142
Flx_translate1_basecase 28236
Flx_triple 1049887
Flx_unscale 0
Flx_val 4494940
Flx_valrem 27439589
Flxn_div 55194
Flxn_div_pre 55226
Flxn_exp 0
Flxn_expint 109425
Flxn_inv 1030
Flxn_mul 75874
Flxn_mul_pre 5162832
Flxn_mulhigh 517051
Flxn_recip 217418
Flxn_red 6333131
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 782798
Flxq_auttrace_pre 962173
Flxq_auttrace_sqr 655277
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519202
Flxq_inv 335767
Flxq_inv_pre 4284259
Flxq_invsafe 670655
Flxq_invsafe_pre 5429032
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 44915
Flxq_minpoly_pre 810642
Flxq_mul 13191057
Flxq_mul_pre 189048629
Flxq_norm 443318
Flxq_order 97328
Flxq_pow 932610
Flxq_pow_Frobenius 22410214
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23451697
Flxq_pow_table 0
Flxq_pow_table_pre 4390
Flxq_powers 232069
Flxq_powers_pre 22425756
Flxq_powu 488424
Flxq_powu_pre 24353595
Flxq_sqr 2759490
Flxq_sqr_pre 277995344
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_sqrtl_spec_pre 35706
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 4217639
Flxq_transmul_init 1748425
RgXV_to_FlxV 7
RgX_to_Flx 2250317
Rg_to_F2 1706797
Rg_to_Fl 73222146
Rg_to_Flxq 3598604
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3797617
ZXV_to_FlxV 0
ZX_to_Flx 170951337
Z_mod2BIL_Flx 293618
Z_mod2BIL_Flx_2 296548
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561351
ZpX_invLaplace_init 497
_Fl2_mul 1986341
_Fl2_pow 690462
_Fl2_rand 118340
_Fl2_sqr 5076203
_Flx_add 389834
_Flx_composedsum 3910
_Flx_divrem 0
_Flx_mul 11012312
_Flx_sqr 0
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 147834540
_Flxq_neg 366572
_Flxq_one 22425687
_Flxq_pow 22402807
_Flxq_powu 68
_Flxq_powu_i 23098774
_Flxq_rand 5590
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 270037076
bounded_order 394052
gener_Flxq 7201
get_Fl_threshold 2327310101
get_Flx_red 989548349
get_Flxq_field 68902
get_Flxq_star 280807
init_invlaplace 12514
int_to_Flx 12215
int_to_Flx_half 507268
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 20808477
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 5656834
kron_unpack_Flx_bits_wide 5580191
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8376604
mkF2 7563256
monomial_Flx 942650
random_Flx 2646492
set_Flxq 68922
set_Flxq_pre 69532264
translate_basecase 41401
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6536765

Generated by: LCOV version 1.16