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Revert r357246

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I have no idea what this code is trying to do, leave it be.

Reported by:	lwhsu
This commit is contained in:
Conrad Meyer 2020-01-29 22:37:01 +00:00
parent 69285066e6
commit 037d75302e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=357273
1 changed files with 52 additions and 17 deletions
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69
tests/sys/sys/qmath_test.c
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@ -47,7 +47,25 @@
#define QTEST_QITRUNC(q, iv) ((iv) >> Q_RPSHFT(q))
#define QTEST_FFACTOR 32.0
#define GENRAND(a) arc4random_buf((a), sizeof(*(a)))
#define bitsperrand 31
#define GENRAND(a, lb, ub) \
({ \
int _rembits; \
do { \
_rembits = Q_BITSPERBASEUP(ub) + Q_LTZ(lb); \
*(a) = (__typeof(*(a)))0; \
while (_rembits > 0) { \
*(a) |= (((uint64_t)random()) & \
((1ULL << (_rembits > bitsperrand ? \
bitsperrand : _rembits)) - 1)); \
*(a) <<= (_rembits - (_rembits > bitsperrand ? \
bitsperrand : _rembits)); \
_rembits -= bitsperrand; \
} \
*(a) += lb; \
} while (*(a) < (lb) || (uint64_t)*(a) > (ub)); \
*(a); \
})
/*
* Smoke tests for basic qmath operations, such as initialization
@ -195,9 +213,11 @@ ATF_TC_BODY(qmulq_s64q, tc)
#endif
int error;
srandomdev();
for (int i = 0; i < 10;) {
GENRAND(&a_s64q);
GENRAND(&b_s64q);
GENRAND(&a_s64q, INT64_MIN, UINT64_MAX);
GENRAND(&b_s64q, INT64_MIN, UINT64_MAX);
/*
* XXX: We cheat a bit, to stand any chance of multiplying
@ -258,9 +278,12 @@ ATF_TC_BODY(qdivq_s64q, tc)
if (atf_tc_get_config_var_as_bool_wd(tc, "ci", false))
atf_tc_skip("https://bugs.freebsd.org/240219");
srandomdev();
for (int i = 0; i < 10; i++) {
GENRAND(&a_s64q);
GENRAND(&b_s64q);
GENRAND(&a_s64q, INT64_MIN, UINT64_MAX);
GENRAND(&b_s64q, INT64_MIN, UINT64_MAX);
/*
* XXXLAS: Until Qmath handles precision normalisation, only
* test with equal precision.
@ -301,9 +324,11 @@ ATF_TC_BODY(qaddq_s64q, tc)
double a_dbl, b_dbl, r_dbl, maxe_dbl, delta_dbl;
int error;
srandomdev();
for (int i = 0; i < 10;) {
GENRAND(&a_s64q);
GENRAND(&b_s64q);
GENRAND(&a_s64q, INT64_MIN, UINT64_MAX);
GENRAND(&b_s64q, INT64_MIN, UINT64_MAX);
/*
* XXXLAS: Until Qmath handles precision normalisation, only
* test with equal precision.
@ -347,9 +372,11 @@ ATF_TC_BODY(qsubq_s64q, tc)
double a_dbl, b_dbl, r_dbl, maxe_dbl, delta_dbl;
int error;
srandomdev();
for (int i = 0; i < 10; i++) {
GENRAND(&a_s64q);
GENRAND(&b_s64q);
GENRAND(&a_s64q, INT64_MIN, UINT64_MAX);
GENRAND(&b_s64q, INT64_MIN, UINT64_MAX);
/*
* XXXLAS: Until Qmath handles precision normalisation, only
* test with equal precision.
@ -391,9 +418,11 @@ ATF_TC_BODY(qfraci_s64q, tc)
int64_t a_int, b_int;
int error;
srandomdev();
for (int i = 0; i < 10;) {
GENRAND(&a_s64q);
GENRAND(&b_s64q);
GENRAND(&a_s64q, INT64_MIN, UINT64_MAX);
GENRAND(&b_s64q, INT64_MIN, UINT64_MAX);
/*
* XXXLAS: Until Qmath handles precision normalisation, only
* test with equal precision.
@ -436,9 +465,11 @@ ATF_TC_BODY(qmuli_s64q, tc)
int64_t a_int, b_int;
int error;
srandomdev();
for (int i = 0; i < 10;) {
GENRAND(&a_s64q);
GENRAND(&b_s64q);
GENRAND(&a_s64q, INT64_MIN, UINT64_MAX);
GENRAND(&b_s64q, INT64_MIN, UINT64_MAX);
/*
* XXXLAS: Until Qmath handles precision normalisation, only
* test with equal precision.
@ -481,9 +512,11 @@ ATF_TC_BODY(qaddi_s64q, tc)
int64_t a_int, b_int;
int error;
srandomdev();
for (int i = 0; i < 10;) {
GENRAND(&a_s64q);
GENRAND(&b_s64q);
GENRAND(&a_s64q, INT64_MIN, UINT64_MAX);
GENRAND(&b_s64q, INT64_MIN, UINT64_MAX);
/*
* XXXLAS: Until Qmath handles precision normalisation, only
* test with equal precision.
@ -530,9 +563,11 @@ ATF_TC_BODY(qsubi_s64q, tc)
int64_t a_int, b_int;
int error;
srandomdev();
for (int i = 0; i < 10; i++) {
GENRAND(&a_s64q);
GENRAND(&b_s64q);
GENRAND(&a_s64q, INT64_MIN, UINT64_MAX);
GENRAND(&b_s64q, INT64_MIN, UINT64_MAX);
/*
* XXXLAS: Until Qmath handles precision normalisation, only
* test with equal precision.