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v3.15.0

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This commit is contained in:
Jay D Dee
2020-10-02 10:48:37 -04:00
parent cdd587537e
commit c85fb3842b
44 changed files with 1351 additions and 747 deletions
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11
util.c
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@@ -1096,9 +1096,10 @@ bool fulltest( const uint32_t *hash, const uint32_t *target )
// increases the effective precision. Due to the floating nature of the
// decimal point leading zeros aren't counted.
//
// Unfortunately I can't get float128 to work so long double it is.
// Unfortunately I can't get float128 to work so long double (float80) is
// as precise as it gets.
// All calculations will be done using long double then converted to double.
// This prevent introducing significant new error while taking advantage
// This prevents introducing significant new error while taking advantage
// of HW rounding.
#if defined(GCC_INT128)
@@ -1107,7 +1108,8 @@ void diff_to_hash( uint32_t *target, const double diff )
{
uint128_t *targ = (uint128_t*)target;
register long double m = 1. / diff;
targ[0] = 0;
// targ[0] = 0;
targ[0] = -1;
targ[1] = (uint128_t)( m * exp96 );
}
@@ -1135,7 +1137,8 @@ void diff_to_hash( uint32_t *target, const double diff )
{
uint64_t *targ = (uint64_t*)target;
register long double m = ( 1. / diff ) * exp32;
targ[1] = targ[0] = 0;
// targ[1] = targ[0] = 0;
targ[1] = targ[0] = -1;
targ[3] = (uint64_t)m;
targ[2] = (uint64_t)( ( m - (long double)targ[3] ) * exp64 );
}