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 - polarit2.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30364-8108102770) Lines: 2267 2508 90.4 %
Date: 2025-06-30 09:21:07 Functions: 214 224 95.5 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Q_mul_to_int 0
RgXQ_sqr_FpXQXQ 0
RgX_chinese_coprime 0
RgX_extgcd_simple 0
RgX_gcd_simple 0
RgX_halfgcd 0
RgX_halfgcd_all_FpXQX 0
pol_approx0 0
s_centermod 0
subresext 0
RgXQ_inv_FpXQXQ 7
RgX_extgcd_FpXQX 7
RgX_gcd_FpXQX 7
reduceddiscsmith 7
roots_to_pol_FqV 7
scalar_res 7
sylvestermatrix 7
FqV_factorback 14
RgXQ_charpoly_FpXQ 14
RgXQ_sqr_FpXQ 14
RgX_halfgcd_all_i 14
roots_to_pol_FpV 14
CX_factor 21
RgX_resultant_FpXQX 21
RX_factor 28
RgX_disc_FpXQX 28
RgX_halfgcd_all_FpX 28
RgX_resultant_FpX 28
newtonpoly 28
resultant2 28
Qi_factor_p 42
RgX_disc_FpX 42
Qi_factor 49
Qi_primpart 49
polfromroots 56
RgX_halfgcd_all 63
RgX_halfgcd_all_fast 63
zero_bezout 63
Qi_primpart_try 70
RgX_extresultant_FpX 77
Qi_cmp 91
ghalfgcd 91
RgX_fix_quadratic 98
RgXQ_ratlift 112
random_FpX_monic 112
scalar_bezout 112
caract_const 126
RgX_extgcd_FpX 133
qgcd 154
primpart 161
RgV_type2 203
gc_gcdext 217
rnfcharpoly 224
RgXQ_factor 252
RgXQ_factor_i 252
FE_matconcat 259
RgXY_factor 259
RgXY_squff 259
RgXY_factor_squarefree 273
RgX_Frobenius_deflate 343
fix_pol 343
RgXQ_mul_FpXQXQ 385
gen_cmp_RgXY 385
sturmpart 385
Qi_gcd 399
RgX_disc_i 413
quadratic_to_RgX 420
gbezout 427
gcdext0 427
ok_bloc 434
zero_extgcd 434
Zi_rem 448
Qi_normal 469
polresultant0 504
R_to_Q_down 525
R_to_Q_up 525
RgX_gcd_FpXk 595
RgX_sturmpart 763
RgXQ_inv_i 848
Zi_mul3 896
sturmpart_i 1148
c_zero_gcd 1386
padic_gcd 1435
polresultantext 1463
RgX_extresultant_fast 1568
polresultantext0 1575
isinexactall 2198
RgX_gcd_ZXQX 2261
subresext_i 2346
FlxqV_factorback 2499
cont_gcd_gen 2635
glcm0 2898
RgX_gcd_QXQX 3003
c_is_rational 3269
triv_cont_gcd 3276
glcm 3297
ZV_lcm 3575
fix_lcm 3680
gcdmonome 3717
must_negate 4368
RgX_extgcd_fast 4529
poldisc0 4714
RgX_extgcd 4970
gcd3 6390
RgX_cmbf 6475
vecprod 10003
cont_gcd_rfrac 10115
RgX_liftred 10528
RgX_is_irred 11165
RgX_is_irred_i 11165
polisirreducible 11165
inexact 11424
subres_step 11790
RgXQ_inv_FpXQ 12054
RgXQ_charpoly 13012
RgXQ_charpoly_fast 13012
ZX_content 13146
Q_factor_limit 13794
RgX_factor 13832
row_Q_primpart 17815
Q_factor 21615
ginvmod 35322
RgX_rescale_to_int 37485
factor0 59403
factor 62371
factor_domain 63064
roots_from_deg1 63896
Flv_factorback 108623
RgX_gcd_FpX 111909
polsym 114373
vec_Q_primpart 116715
RgX_disc 124168
RgX_disc_fast 124168
polsym_gen 131789
RgXQ_inv 135258
RgXQ_inv_fast 135258
deg1_from_roots 157140
RgX_resultant_sylvester 169893
RgX_sylvestermatrix 169893
syl_RgM 169900
Fppow 244411
roots_to_pol_r1 264669
RgXQ_mul_FpXQ 274309
syl_RgC 371755
RgXQ_sqr 458376
RgXQ_sqr_fast 458376
Q_div_to_int 490130
Lazard 662794
roots_to_pol_fast 774521
roots_to_pol 774595
RgV_type 774605
RgM_type 784652
RgX_neg_i 898233
Lazard2 898235
nextSousResultant 898235
normalized_to_RgX 1039152
RgXQ_charpoly_i 1228761
RgX_pseudodenom 1314119
RgX_resultant_all 1318740
resultant 1400659
resultant_fast 1400659
init_resultant 1400687
factorback 1497589
RgXQ_mul 1528412
RgXQ_mul_fast 1528413
RgX_type3 1528413
normalized_mul 1719209
Q_content 1843381
cont_gcd_pol 1912226
cont_gcd_pol_i 1912226
cont_gcd 1924955
Z_content_v 2296044
RgX_type 2545492
reductum_lg 2637212
RgX_Rg_mul_i 2643231
primitive_part 2897343
Q_denom 3274430
RgM_rescale_to_int 4705381
ggcd0 5203644
RgX_Rg_type 6064532
RgM_type2 7666094
zero_gcd 8258411
FpV_factorback 8551716
zero_gcd2 8879841
Z_content 9929487
Q_primpart 10030592
Q_divq_to_int 10377278
RgX_gcd 10414765
RgX_gcd_fast 10414765
centermod 11235426
Q_divmuli_to_int 11573917
RgX_type_decode 11719209
gcdiq 12775853
centermod_i 14749862
factorback2 25036302
ggcd 27702201
gcdqq 27757670
gdivexact 28479175
Fpmul 28824414
rescale_init 30065647
RgM_RgC_type 32806050
gen_factorback 33931898
choosesubtype 38388897
RgM_settype 48922558
mul 54745942
Q_denom_v 55542466
Q_remove_denom 57165898
content 72564131
powi 79320119
centermodii 89867407
Q_primitive_part 90679377
Q_muli_to_int 142688966
RgX_type2 150001730
RgX_type_is_composite 163892326
Rg_type 171952631
Q_divi_to_int 173876574
Q_content_v 182031032
Q_denom_safe 251592854
RgC_settype 271097074
choosetype 373576489
RgX_settype 666145882
Q_gcd 1012581737
Q_content_safe 1286942029
settype 3822191752

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