factor/native/float.c

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#include "factor.h"
void primitive_floatp(void)
{
check_non_empty(env.dt);
env.dt = tag_boolean(typep(FLOAT_TYPE,env.dt));
}
FLOAT* to_float(CELL tagged)
{
switch(type_of(tagged))
{
case FIXNUM_TYPE:
return fixnum_to_float(tagged);
case BIGNUM_TYPE:
return bignum_to_float(tagged);
case RATIO_TYPE:
return ratio_to_float(tagged);
case FLOAT_TYPE:
return (FLOAT*)UNTAG(tagged);
default:
type_error(FLOAT_TYPE,tagged);
return NULL; /* can't happen */
}
}
void primitive_to_float(void)
{
env.dt = tag_object(to_float(env.dt));
}
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void primitive_str_to_float(void)
{
STRING* str = untag_string(env.dt);
char* c_str = to_c_string(str);
char* end = c_str;
double f = strtod(c_str,&end);
if(end != c_str + str->capacity)
general_error(ERROR_FLOAT_FORMAT,tag_object(str));
env.dt = tag_object(make_float(f));
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}
void primitive_float_to_str(void)
{
char tmp[33];
snprintf(&tmp,32,"%.16g",to_float(env.dt)->n);
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tmp[32] = '\0';
env.dt = tag_object(from_c_string(tmp));
}
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void primitive_float_to_bits(void)
{
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double f = untag_float(env.dt);
BIGNUM_2 f_raw = *(BIGNUM_2*)&f;
env.dt = tag_object(bignum(f_raw));
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}
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CELL number_eq_float(CELL x, CELL y)
{
return tag_boolean(((FLOAT*)UNTAG(x))->n
== ((FLOAT*)UNTAG(y))->n);
}
CELL add_float(CELL x, CELL y)
{
return tag_object(make_float(((FLOAT*)UNTAG(x))->n
+ ((FLOAT*)UNTAG(y))->n));
}
CELL subtract_float(CELL x, CELL y)
{
return tag_object(make_float(((FLOAT*)UNTAG(x))->n
- ((FLOAT*)UNTAG(y))->n));
}
CELL multiply_float(CELL x, CELL y)
{
return tag_object(make_float(((FLOAT*)UNTAG(x))->n
* ((FLOAT*)UNTAG(y))->n));
}
CELL divide_float(CELL x, CELL y)
{
return tag_object(make_float(((FLOAT*)UNTAG(x))->n
/ ((FLOAT*)UNTAG(y))->n));
}
CELL divfloat_float(CELL x, CELL y)
{
return tag_object(make_float(((FLOAT*)UNTAG(x))->n
/ ((FLOAT*)UNTAG(y))->n));
}
CELL less_float(CELL x, CELL y)
{
return tag_boolean(((FLOAT*)UNTAG(x))->n
< ((FLOAT*)UNTAG(y))->n);
}
CELL lesseq_float(CELL x, CELL y)
{
return tag_boolean(((FLOAT*)UNTAG(x))->n
<= ((FLOAT*)UNTAG(y))->n);
}
CELL greater_float(CELL x, CELL y)
{
return tag_boolean(((FLOAT*)UNTAG(x))->n
> ((FLOAT*)UNTAG(y))->n);
}
CELL greatereq_float(CELL x, CELL y)
{
return tag_boolean(((FLOAT*)UNTAG(x))->n
>= ((FLOAT*)UNTAG(y))->n);
}
void primitive_facos(void)
{
env.dt = tag_object(make_float(acos(to_float(env.dt)->n)));
}
void primitive_fasin(void)
{
env.dt = tag_object(make_float(asin(to_float(env.dt)->n)));
}
void primitive_fatan(void)
{
env.dt = tag_object(make_float(atan(to_float(env.dt)->n)));
}
void primitive_fatan2(void)
{
double x = to_float(env.dt)->n;
double y = to_float(dpop())->n;
env.dt = tag_object(make_float(atan2(y,x)));
}
void primitive_fcos(void)
{
env.dt = tag_object(make_float(cos(to_float(env.dt)->n)));
}
void primitive_fexp(void)
{
env.dt = tag_object(make_float(exp(to_float(env.dt)->n)));
}
void primitive_fcosh(void)
{
env.dt = tag_object(make_float(cosh(to_float(env.dt)->n)));
}
void primitive_flog(void)
{
env.dt = tag_object(make_float(log(to_float(env.dt)->n)));
}
void primitive_fpow(void)
{
double x = to_float(env.dt)->n;
double y = to_float(dpop())->n;
env.dt = tag_object(make_float(pow(y,x)));
}
void primitive_fsin(void)
{
env.dt = tag_object(make_float(sin(to_float(env.dt)->n)));
}
void primitive_fsinh(void)
{
env.dt = tag_object(make_float(sinh(to_float(env.dt)->n)));
}
void primitive_fsqrt(void)
{
env.dt = tag_object(make_float(sqrt(to_float(env.dt)->n)));
}