factor/native/arithmetic.c

178 lines
2.9 KiB
C

#include "factor.h"
BIGNUM* fixnum_to_bignum(CELL n)
{
return bignum((BIGNUM_2)untag_fixnum_fast(n));
}
RATIO* fixnum_to_ratio(CELL n)
{
return ratio(n,tag_fixnum(1));
}
FLOAT* fixnum_to_float(CELL n)
{
return make_float((double)untag_fixnum_fast(n));
}
FIXNUM bignum_to_fixnum(CELL tagged)
{
return (FIXNUM)(((BIGNUM*)UNTAG(tagged))->n);
}
RATIO* bignum_to_ratio(CELL n)
{
return ratio(n,tag_fixnum(1));
}
FLOAT* bignum_to_float(CELL tagged)
{
return make_float((double)((BIGNUM*)UNTAG(tagged))->n);
}
FLOAT* ratio_to_float(CELL tagged)
{
RATIO* r = (RATIO*)UNTAG(tagged);
return (FLOAT*)UNTAG(divfloat(r->numerator,r->denominator));
}
bool realp(CELL tagged)
{
switch(type_of(tagged))
{
case FIXNUM_TYPE:
case BIGNUM_TYPE:
case RATIO_TYPE:
case FLOAT_TYPE:
return true;
break;
default:
return false;
break;
}
}
bool numberp(CELL tagged)
{
return realp(tagged) || type_of(tagged) == COMPLEX_TYPE;
}
void primitive_numberp(void)
{
check_non_empty(env.dt);
env.dt = tag_boolean(numberp(env.dt));
}
bool zerop(CELL tagged)
{
switch(type_of(tagged))
{
case FIXNUM_TYPE:
return tagged == 0;
case BIGNUM_TYPE:
return ((BIGNUM*)UNTAG(tagged))->n == 0;
case FLOAT_TYPE:
return ((FLOAT*)UNTAG(tagged))->n == 0.0;
case RATIO_TYPE:
return false;
default:
critical_error("Bad parameter to zerop",tagged);
return false; /* Can't happen */
}
}
CELL to_integer(CELL tagged)
{
RATIO* r;
switch(type_of(tagged))
{
case FIXNUM_TYPE:
case BIGNUM_TYPE:
return tagged;
case RATIO_TYPE:
r = (RATIO*)UNTAG(tagged);
return divint(r->numerator,r->denominator);
default:
type_error(INTEGER_TYPE,tagged);
return NULL; /* can't happen */
}
}
void primitive_to_integer(void)
{
env.dt = to_integer(env.dt);
}
/* EQUALITY */
CELL number_eq_anytype(CELL x, CELL y)
{
return F;
}
BINARY_OP(number_eq)
BINARY_OP_NUMBER_ONLY(add)
BINARY_OP(add)
BINARY_OP_NUMBER_ONLY(subtract)
BINARY_OP(subtract)
BINARY_OP_NUMBER_ONLY(multiply)
BINARY_OP(multiply)
BINARY_OP_NUMBER_ONLY(divide)
BINARY_OP(divide)
BINARY_OP_INTEGER_ONLY(divint)
BINARY_OP_NUMBER_ONLY(divint)
BINARY_OP(divint)
BINARY_OP_NUMBER_ONLY(divfloat)
BINARY_OP(divfloat)
BINARY_OP_INTEGER_ONLY(divmod)
BINARY_OP_NUMBER_ONLY(divmod)
BINARY_OP(divmod)
BINARY_OP_INTEGER_ONLY(mod)
BINARY_OP_NUMBER_ONLY(mod)
BINARY_OP(mod)
BINARY_OP_INTEGER_ONLY(and)
BINARY_OP_NUMBER_ONLY(and)
BINARY_OP(and)
BINARY_OP_INTEGER_ONLY(or)
BINARY_OP_NUMBER_ONLY(or)
BINARY_OP(or)
BINARY_OP_INTEGER_ONLY(xor)
BINARY_OP_NUMBER_ONLY(xor)
BINARY_OP(xor)
BINARY_OP_INTEGER_ONLY(shiftleft)
BINARY_OP_NUMBER_ONLY(shiftleft)
BINARY_OP(shiftleft)
BINARY_OP_INTEGER_ONLY(shiftright)
BINARY_OP_NUMBER_ONLY(shiftright)
BINARY_OP(shiftright)
BINARY_OP_NUMBER_ONLY(less)
BINARY_OP(less)
BINARY_OP_NUMBER_ONLY(lesseq)
BINARY_OP(lesseq)
BINARY_OP_NUMBER_ONLY(greater)
BINARY_OP(greater)
BINARY_OP_NUMBER_ONLY(greatereq)
BINARY_OP(greatereq)
BINARY_OP_INTEGER_ONLY(gcd)
BINARY_OP_NUMBER_ONLY(gcd)
BINARY_OP(gcd)