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v3.12.5

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This commit is contained in:
Jay D Dee
2020-03-01 13:18:17 -05:00
parent 720610cce5
commit 3da149418a
8 changed files with 122 additions and 117 deletions
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41
util.c
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@@ -1041,16 +1041,19 @@ bool fulltest( const uint32_t *hash, const uint32_t *target )
return rc;
}
/*
void diff_to_target(uint32_t *target, double diff)
{
uint64_t m;
int k;
for (k = 6; k > 0 && diff > 1.0; k--)
diff /= 4294967296.0;
diff /= exp32;
m = (uint64_t)(4294901760.0 / diff);
// diff /= 4294967296.0;
// m = (uint64_t)(4294901760.0 / diff);
m = (uint64_t)(exp32 / diff);
if (m == 0 && k == 6)
memset(target, 0xff, 32);
@@ -1060,29 +1063,8 @@ void diff_to_target(uint32_t *target, double diff)
target[k + 1] = (uint32_t)(m >> 32);
}
}
*/
void diff_to_target(uint32_t *target, double diff)
{
uint64_t *t = (uint64_t*)target;
uint64_t m;
int k;
for ( k = 3; k > 0 && diff > 1.0; k-- )
diff /= exp64;
m = (uint64_t)( 0xffff0000 / diff );
if unlikely( m == 0 && k == 3 )
memset( t, 0xff, 32 );
else
{
memset( t, 0, 32 );
t[k] = m;
}
}
// deprecated
void work_set_target(struct work* work, double diff)
{
@@ -1090,6 +1072,16 @@ void work_set_target(struct work* work, double diff)
work->targetdiff = diff;
}
double target_to_diff( uint32_t* target )
{
uint64_t *targ = (uint64_t*)target;
return target ? 1. / ( ( (double)targ[3] / exp32 )
+ ( (double)targ[2] )
+ ( (double)targ[1] * exp32 )
+ ( (double)targ[0] * exp64 ) )
: 0.;
}
/*
double target_to_diff(uint32_t* target)
{
uchar* tgt = (uchar*) target;
@@ -1108,6 +1100,7 @@ double target_to_diff(uint32_t* target)
else
return (double)0x0000ffff00000000/m;
}
*/
#ifdef WIN32
#define socket_blocks() (WSAGetLastError() == WSAEWOULDBLOCK)