add many many number primitive functions

This commit is contained in:
Yuichi Nishiwaki 2013-10-22 17:24:07 +09:00
parent d696339577
commit 779199d571
2 changed files with 186 additions and 5 deletions

View File

@ -82,6 +82,7 @@ pic_value pic_float_value(double);
#define pic_true_p(v) ((v).type == PIC_VTYPE_TRUE)
#define pic_false_p(v) ((v).type == PIC_VTYPE_FALSE)
#define pic_undef_p(v) ((v).type == PIC_VTYPE_UNDEF)
#define pic_float_p(v) ((v).type == PIC_VTYPE_FLOAT)
#define pic_pair_p(v) (pic_type(v) == PIC_TT_PAIR)
#endif

View File

@ -2,6 +2,59 @@
#include "picrin.h"
static pic_value
pic_number_real_p(pic_state *pic)
{
pic_value v;
pic_get_args(pic, "o", &v);
return pic_bool_value(pic_float_p(v));
}
static pic_value
pic_number_integer_p(pic_state *pic)
{
pic_value v;
pic_get_args(pic, "o", &v);
if (pic_float_p(v)) {
double f = pic_float(v);
if (f == round(f)) {
return pic_true_value();
}
}
return pic_false_value();
}
static pic_value
pic_number_infinite_p(pic_state *pic)
{
pic_value v;
pic_get_args(pic, "o", &v);
if (pic_float_p(v) && isinf(pic_float(v)))
return pic_true_value();
else
return pic_false_value();
}
static pic_value
pic_number_nan_p(pic_state *pic)
{
pic_value v;
pic_get_args(pic, "o", &v);
if (pic_float_p(v) && isnan(pic_float(v)))
return pic_true_value();
else
return pic_false_value();
}
static pic_value
pic_number_lt(pic_state *pic)
{
@ -17,13 +70,76 @@ pic_number_lt(pic_state *pic)
}
static pic_value
pic_number_sqrt(pic_state *pic)
pic_number_abs(pic_state *pic)
{
double f;
pic_get_args(pic, "f", &f);
f = sqrt(f);
return pic_float_value(f);
return pic_float_value(fabs(f));
}
static pic_value
pic_number_floor(pic_state *pic)
{
double f;
pic_get_args(pic, "f", &f);
return pic_float_value(floor(f));
}
static pic_value
pic_number_ceiling(pic_state *pic)
{
double f;
pic_get_args(pic, "f", &f);
return pic_float_value(ceil(f));
}
static pic_value
pic_number_truncate(pic_state *pic)
{
double f;
pic_get_args(pic, "f", &f);
return pic_float_value(trunc(f));
}
static pic_value
pic_number_round(pic_state *pic)
{
double f;
pic_get_args(pic, "f", &f);
return pic_float_value(round(f));
}
static pic_value
pic_number_exp(pic_state *pic)
{
double f;
pic_get_args(pic, "f", &f);
return pic_float_value(exp(f));
}
static pic_value
pic_number_log(pic_state *pic)
{
double f,g;
int argc;
argc = pic_get_args(pic, "f|f", &f, &g);
if (argc == 1) {
return pic_float_value(log(f));
}
else {
return pic_float_value(log(f) / log(g));
}
}
static pic_value
@ -78,23 +194,87 @@ pic_number_asin(pic_state *pic)
static pic_value
pic_number_atan(pic_state *pic)
{
double f,g;
int argc;
argc = pic_get_args(pic, "f|g", &f, &g);
if (argc == 1) {
f = atan(f);
return pic_float_value(f);
}
else {
return pic_float_value(atan2(f,g));
}
}
static pic_value
pic_number_square(pic_state *pic)
{
double f;
pic_get_args(pic, "f", &f);
f = atan(f);
return pic_float_value(f * f);
}
static pic_value
pic_number_sqrt(pic_state *pic)
{
double f;
pic_get_args(pic, "f", &f);
f = sqrt(f);
return pic_float_value(f);
}
static pic_value
pic_number_expt(pic_state *pic)
{
double f,g;
pic_get_args(pic, "ff", &f, &g);
return pic_float_value(pow(f,g));
}
void
pic_init_number(pic_state *pic)
{
int ai = pic_gc_arena_preserve(pic);
pic_defun(pic, "number?", pic_number_real_p);
pic_defun(pic, "complex?", pic_number_real_p);
pic_defun(pic, "real?", pic_number_real_p);
pic_defun(pic, "rational?", pic_number_integer_p);
pic_defun(pic, "integer?", pic_number_integer_p);
pic_gc_arena_restore(pic, ai);
pic_defun(pic, "infinite?", pic_number_infinite_p);
pic_defun(pic, "nan?", pic_number_nan_p);
pic_gc_arena_restore(pic, ai);
pic_defun(pic, "<", pic_number_lt);
pic_defun(pic, "sqrt", pic_number_sqrt);
pic_defun(pic, "abs", pic_number_abs);
pic_defun(pic, "floor", pic_number_floor);
pic_defun(pic, "ceiling", pic_number_ceiling);
pic_defun(pic, "truncate", pic_number_truncate);
pic_defun(pic, "round", pic_number_round);
pic_gc_arena_restore(pic, ai);
pic_defun(pic, "exp", pic_number_exp);
pic_defun(pic, "log", pic_number_log);
pic_defun(pic, "sin", pic_number_sin);
pic_defun(pic, "cos", pic_number_cos);
pic_defun(pic, "tan", pic_number_tan);
pic_defun(pic, "acos", pic_number_acos);
pic_defun(pic, "asin", pic_number_asin);
pic_defun(pic, "atan", pic_number_atan);
pic_gc_arena_restore(pic, ai);
pic_defun(pic, "square", pic_number_square);
pic_defun(pic, "sqrt", pic_number_sqrt);
pic_defun(pic, "expt", pic_number_expt);
pic_gc_arena_restore(pic, ai);
}