/* intl = bytes for integer part (1, 2, or 4) */
void init_bf_length(int bnl)
{
bnlength = bnl;
if (fractype == FPMANDELZPOWER || fractype == FPJULIAZPOWER)
intlength = 2;
/* the bailout tests need greater dynamic range */
else if(bailoutest == Real || bailoutest == Imag || bailoutest == And)
intlength = 2;
else
intlength = 1;
/* conservative estimate */
decimals = (int)((bnlength-intlength)*LOG10_256);
init_bf_2();
}
void init_bf_dec(int dec)
{
if(bfdigits)
decimals=bfdigits; /* blindly force */
else
decimals = dec;
if (fractype == FPMANDELZPOWER || fractype == FPJULIAZPOWER)
intlength = 2;
/* the bailout tests need greater dynamic range */
else if(bailoutest == Real || bailoutest == Imag || bailoutest == And)
intlength = 2;
else
intlength = 1;
/* conservative estimate */
bnlength = intlength + (int)(decimals/LOG10_256) + 1; /* round up */
init_bf_2();
}
/* intl = bytes for integer part (1, 2, or 4) */
void init_bf_length(int bnl)
{
bnlength = bnl;
if(bailout > 10) /* arbitrary value */
/* using 2 doesn't gain much and requires another test */
intlength = 4;
else if (fractype == FPMANDELZPOWER || fractype == FPJULIAZPOWER ||
fractype == DIVIDEBROT5)
intlength = 4; /* 2 leaves artifacts in the center of the lakes */
/* the bailout tests need greater dynamic range */
else if(bailoutest == Real || bailoutest == Imag || bailoutest == And ||
bailoutest == Manr)
intlength = 2;
else
intlength = 1;
/* conservative estimate */
decimals = (int)((bnlength-intlength)*LOG10_256);
init_bf_2();
}
void init_bf_dec(int dec)
{
if(bfdigits)
decimals=bfdigits; /* blindly force */
else
decimals = dec;
if(bailout > 10) /* arbitrary value */
/* using 2 doesn't gain much and requires another test */
intlength = 4;
else if (fractype == FPMANDELZPOWER || fractype == FPJULIAZPOWER ||
fractype == DIVIDEBROT5)
intlength = 4; /* 2 leaves artifacts in the center of the lakes */
/* the bailout tests need greater dynamic range */
else if(bailoutest == Real || bailoutest == Imag || bailoutest == And ||
bailoutest == Manr)
intlength = 2;
else
intlength = 1;
/* conservative estimate */
bnlength = intlength + (int)(decimals/LOG10_256) + 1; /* round up */
init_bf_2();
}
