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authorDerek Buitenhuis <derek.buitenhuis@gmail.com>2016-05-11 19:10:10 +0100
committerDerek Buitenhuis <derek.buitenhuis@gmail.com>2016-05-11 19:13:03 +0100
commit96d616052b3d39678e477fa10610ca688f46fff9 (patch)
tree8bd31d06318bc786ea8f1d84f92090c9c860bc11 /libavutil/rational.c
parent27506aceda8115f82f89691a4441d62a8cf24a6e (diff)
parentd12b5b2f135aade4099f4b26b0fe678656158c13 (diff)
downloadffmpeg-96d616052b3d39678e477fa10610ca688f46fff9.tar.gz
Merge commit 'd12b5b2f135aade4099f4b26b0fe678656158c13'
* commit 'd12b5b2f135aade4099f4b26b0fe678656158c13': build: Split test programs off into separate files Some conversions done by: James Almer <jamrial@gmail.com> Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Diffstat (limited to 'libavutil/rational.c')
-rw-r--r--libavutil/rational.c116
1 files changed, 0 insertions, 116 deletions
diff --git a/libavutil/rational.c b/libavutil/rational.c
index cab443818a..35ee08877f 100644
--- a/libavutil/rational.c
+++ b/libavutil/rational.c
@@ -182,119 +182,3 @@ uint32_t av_q2intfloat(AVRational q) {
return sign<<31 | (150-shift)<<23 | (n - (1<<23));
}
-
-#ifdef TEST
-
-#include "integer.h"
-
-int main(void)
-{
- AVRational a,b,r;
- int i,j,k;
- static const int64_t numlist[] = {
- INT64_MIN, INT64_MIN+1, INT64_MAX, INT32_MIN, INT32_MAX, 1,0,-1,
- 123456789, INT32_MAX-1, INT32_MAX+1LL, UINT32_MAX-1, UINT32_MAX, UINT32_MAX+1LL
- };
-
- for (a.num = -2; a.num <= 2; a.num++) {
- for (a.den = -2; a.den <= 2; a.den++) {
- for (b.num = -2; b.num <= 2; b.num++) {
- for (b.den = -2; b.den <= 2; b.den++) {
- int c = av_cmp_q(a,b);
- double d = av_q2d(a) == av_q2d(b) ?
- 0 : (av_q2d(a) - av_q2d(b));
- if (d > 0) d = 1;
- else if (d < 0) d = -1;
- else if (d != d) d = INT_MIN;
- if (c != d)
- av_log(NULL, AV_LOG_ERROR, "%d/%d %d/%d, %d %f\n", a.num,
- a.den, b.num, b.den, c,d);
- r = av_sub_q(av_add_q(b,a), b);
- if(b.den && (r.num*a.den != a.num*r.den || !r.num != !a.num || !r.den != !a.den))
- av_log(NULL, AV_LOG_ERROR, "%d/%d ", r.num, r.den);
- }
- }
- }
- }
-
- for (i = 0; i < FF_ARRAY_ELEMS(numlist); i++) {
- int64_t a = numlist[i];
-
- for (j = 0; j < FF_ARRAY_ELEMS(numlist); j++) {
- int64_t b = numlist[j];
- if (b<=0)
- continue;
- for (k = 0; k < FF_ARRAY_ELEMS(numlist); k++) {
- int64_t c = numlist[k];
- int64_t res;
- AVInteger ai;
-
- if (c<=0)
- continue;
- res = av_rescale_rnd(a,b,c, AV_ROUND_ZERO);
-
- ai = av_mul_i(av_int2i(a), av_int2i(b));
- ai = av_div_i(ai, av_int2i(c));
-
- if (av_cmp_i(ai, av_int2i(INT64_MAX)) > 0 && res == INT64_MIN)
- continue;
- if (av_cmp_i(ai, av_int2i(INT64_MIN)) < 0 && res == INT64_MIN)
- continue;
- if (av_cmp_i(ai, av_int2i(res)) == 0)
- continue;
-
- // Special exception for INT64_MIN, remove this in case INT64_MIN is handled without off by 1 error
- if (av_cmp_i(ai, av_int2i(res-1)) == 0 && a == INT64_MIN)
- continue;
-
- av_log(NULL, AV_LOG_ERROR, "%"PRId64" * %"PRId64" / %"PRId64" = %"PRId64" or %"PRId64"\n", a,b,c, res, av_i2int(ai));
- }
- }
- }
-
- for (a.num = 1; a.num <= 10; a.num++) {
- for (a.den = 1; a.den <= 10; a.den++) {
- if (av_gcd(a.num, a.den) > 1)
- continue;
- for (b.num = 1; b.num <= 10; b.num++) {
- for (b.den = 1; b.den <= 10; b.den++) {
- int start;
- if (av_gcd(b.num, b.den) > 1)
- continue;
- if (av_cmp_q(b, a) < 0)
- continue;
- for (start = 0; start < 10 ; start++) {
- int acc= start;
- int i;
-
- for (i = 0; i<100; i++) {
- int exact = start + av_rescale_q(i+1, b, a);
- acc = av_add_stable(a, acc, b, 1);
- if (FFABS(acc - exact) > 2) {
- av_log(NULL, AV_LOG_ERROR, "%d/%d %d/%d, %d %d\n", a.num,
- a.den, b.num, b.den, acc, exact);
- return 1;
- }
- }
- }
- }
- }
- }
- }
-
- for (a.den = 1; a.den < 0x100000000U/3; a.den*=3) {
- for (a.num = -1; a.num < (1<<27); a.num += 1 + a.num/100) {
- float f = av_int2float(av_q2intfloat(a));
- float f2 = av_q2d(a);
- if (fabs(f - f2) > fabs(f)/5000000) {
- av_log(NULL, AV_LOG_ERROR, "%d/%d %f %f\n", a.num,
- a.den, f, f2);
- return 1;
- }
-
- }
- }
-
- return 0;
-}
-#endif