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 30540-a74e376001) Lines: 2553 2914 87.6 %
Date: 2025-11-08 09:22:52 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 462177
Fl2_inv_pre 201950
Fl2_mul_pre 2012142
Fl2_norm_pre 128153
Fl2_pow_pre 689605
Fl2_sqr_pre 5068064
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78355
Fl_Flxq_log 35549
Fl_Xp1_powu 0
Fl_to_Flx 21227289
Flm_to_FlxV 2772
FlvV_polint_tree 2540791
Flv_Flm_polint 103479
Flv_inv 1744783
Flv_invVandermonde 153445
Flv_inv_i 1756794
Flv_inv_indir 51281
Flv_inv_inplace 12017
Flv_inv_pre 10048
Flv_inv_pre_indir 21394783
Flv_inv_pre_inplace 19676315
Flv_polint 1486583
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1745994
Flv_roots_to_pol 795681
Flv_to_Flx 25485535
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 325150
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 296215
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 171889
FlxV_to_Flm_lg 12970192
FlxV_to_FlxX 397977
FlxV_to_ZXV 606915
FlxV_to_ZXV_inplace 3031345
Flx_Fl2_eval_pre 10773
Flx_Fl_add 10024168
Flx_Fl_mul 7326452
Flx_Fl_mul_pre 18290987
Flx_Fl_mul_to_monic 12027067
Flx_Fl_sub 151843
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786287
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13168960
Flx_Flxq_eval 790625
Flx_Flxq_eval_pre 2444584
Flx_Frobenius 86485
Flx_Frobenius_pre 13811340
Flx_Laplace 27366
Flx_Newton 54147
Flx_add 64863896
Flx_addmulmul 416636
Flx_addshift 3684967
Flx_addspec 7170354
Flx_blocks 517029
Flx_blocks_Flm 12969428
Flx_composedprod 0
Flx_composedsum 27576
Flx_convol 0
Flx_deflate 421004
Flx_deriv 22988400
Flx_diff1 14448
Flx_digits 0
Flx_div_by_X_x 34758856
Flx_divrem 30453153
Flx_divrem_Barrett 605186
Flx_divrem_Barrettspec 905864
Flx_divrem_basecase 62301694
Flx_divrem_pre 79744186
Flx_double 2445177
Flx_equal 26923111
Flx_eval 20405988
Flx_eval2BILspec 579081
Flx_eval_powers_pre 48532857
Flx_eval_pre 136382281
Flx_extgcd 857239
Flx_extgcd_basecase 6286237
Flx_extgcd_halfgcd 146585
Flx_extgcd_pre 6286245
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109429
Flx_gcd 34267356
Flx_gcd_basecase 85213956
Flx_gcd_pre 86879555
Flx_get_red 14502058
Flx_get_red_pre 97285993
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1128487
Flx_halfgcd_all_pre 1128492
Flx_halfgcd_pre 874444
Flx_halfres_basecase 1135566
Flx_halfres_i 1155531
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160576
Flx_integ 0
Flx_integXn 422821
Flx_invBarrett 0
Flx_invBarrett_Newton 23161
Flx_invBarrett_basecase 134338
Flx_invBarrett_pre 158800
Flx_invLaplace 54420
Flx_is_l_pow 8205
Flx_is_smooth 74256
Flx_is_smooth_pre 118943
Flx_is_smooth_squarefree 127163
Flx_is_squarefree 9184049
Flx_lgrenormalizespec 2134273
Flx_matFrobenius 0
Flx_matFrobenius_pre 86566
Flx_mod_Xn1 31765
Flx_mod_Xnm1 5056706
Flx_mul 27831612
Flx_mul_pre 377095008
Flx_mulhigh_i 938914
Flx_mullimb 1183200102
Flx_mullimb_ok 3380918100
Flx_mulspec 382640179
Flx_mulspec_Kronecker 7266268
Flx_mulspec_basecase 345089109
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10144
Flx_mulspec_mulii_inflate 282085
Flx_mulspec_quartmulii 97166
Flx_neg 3265027
Flx_neg_inplace 1756920
Flx_negspec 3265019
Flx_normalize 63988429
Flx_powu 0
Flx_powu_pre 3946
Flx_recip 0
Flx_recipspec 7295540
Flx_red 1882538
Flx_rem 42218644
Flx_rem_basecase 800972260
Flx_rem_pre 925604714
Flx_renormalize 2151945206
Flx_rescale 1117
Flx_resultant 4735299
Flx_resultant_basecase_pre 14621685
Flx_resultant_pre 14623732
Flx_shift 27396868
Flx_shiftip 632149651
Flx_splitting 147546
Flx_sqr 354657
Flx_sqr_pre 278909932
Flx_sqrspec 279008494
Flx_sqrspec_Kronecker 691211
Flx_sqrspec_basecase 278297111
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2070
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138688050
Flx_subspec 898421
Flx_to_Flv 66639735
Flx_to_FlxX 71629
Flx_to_ZX 38306945
Flx_to_ZX_inplace 36578288
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204550
Flx_translate1 17108
Flx_translate1_basecase 29202
Flx_triple 1049887
Flx_unscale 0
Flx_val 4484732
Flx_valrem 27455029
Flxn_div 55208
Flxn_div_pre 55217
Flxn_exp 0
Flxn_expint 109426
Flxn_inv 1037
Flxn_mul 75865
Flxn_mul_pre 5164173
Flxn_mulhigh 516969
Flxn_recip 217438
Flxn_red 6334961
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 67492
Flxq_autpow_sqr 46251
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112480
Flxq_autsum_pre 98770
Flxq_autsum_sqr 105116
Flxq_auttrace 0
Flxq_auttrace_mul 782802
Flxq_auttrace_pre 962419
Flxq_auttrace_sqr 655283
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519215
Flxq_inv 335769
Flxq_inv_pre 4284247
Flxq_invsafe 670639
Flxq_invsafe_pre 5429015
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 170668
Flxq_minpoly 44915
Flxq_minpoly_pre 810888
Flxq_mul 13191106
Flxq_mul_pre 189001565
Flxq_norm 443321
Flxq_order 97328
Flxq_pow 948332
Flxq_pow_Frobenius 22372646
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23429889
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232073
Flxq_powers_pre 22437562
Flxq_powu 488422
Flxq_powu_pre 24359609
Flxq_sqr 2759495
Flxq_sqr_pre 277898152
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 4218475
Flxq_transmul_init 1748860
RgXV_to_FlxV 7
RgX_to_Flx 2250315
Rg_to_F2 1710387
Rg_to_Fl 73223431
Rg_to_Flxq 3598627
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3814117
ZXV_to_FlxV 0
ZX_to_Flx 171038818
Z_mod2BIL_Flx 293607
Z_mod2BIL_Flx_2 296537
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561481
ZpX_invLaplace_init 497
_Fl2_mul 1983103
_Fl2_pow 689596
_Fl2_rand 118112
_Fl2_sqr 5068042
_Flx_add 389834
_Flx_composedsum 3910
_Flx_divrem 0
_Flx_mul 11012095
_Flx_sqr 0
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 147787328
_Flxq_neg 366572
_Flxq_one 22436819
_Flxq_pow 22365236
_Flxq_powu 68
_Flxq_powu_i 23103995
_Flxq_rand 5563
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 269891352
bounded_order 394025
gener_Flxq 7201
get_Fl_threshold 2327886254
get_Flx_red 989659254
get_Flxq_field 68902
get_Flxq_star 280807
init_invlaplace 12514
int_to_Flx 12215
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 20817250
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 5658985
kron_unpack_Flx_bits_wide 5581187
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8379770
mkF2 7551620
monomial_Flx 942871
random_Flx 2646919
set_Flxq 68922
set_Flxq_pre 69527302
translate_basecase 42367
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6522305

Generated by: LCOV version 1.16