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dev-r1076: log gap penalty

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Heng Li
2021-07-17 18:23:59 -04:00
parent 52fafe0fed
commit 2546999639
5 changed files with 27 additions and 20 deletions
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lchain.c
-10
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@@ -6,16 +6,6 @@
#include "kalloc.h"
#include "krmq.h"
static inline float mg_log2(float x) // NB: this doesn't work when x<2
{
union { float f; uint32_t i; } z = { x };
float log_2 = ((z.i >> 23) & 255) - 128;
z.i &= ~(255 << 23);
z.i += 127 << 23;
log_2 += (-0.34484843f * z.f + 2.02466578f) * z.f - 0.67487759f;
return log_2;
}
uint64_t *mg_chain_backtrack(void *km, int64_t n, const int32_t *f, const int64_t *p, int32_t *v, int32_t *t, int32_t min_cnt, int32_t min_sc, int32_t *n_u_, int32_t *n_v_)
{
mm128_t *z;