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add exact/inexact function

This commit is contained in:
Yuichi Nishiwaki 2013-10-28 00:33:10 +09:00
parent 350f4d1abd
commit 90b691be67
1 changed files with 24 additions and 0 deletions
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24
src/number.c
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@ -360,6 +360,26 @@ pic_number_expt(pic_state *pic)
return pic_float_value(h);
}
static pic_value
pic_number_inexact(pic_state *pic)
{
double f;
pic_get_args(pic, "f", &f);
return pic_float_value(f);
}
static pic_value
pic_number_exact(pic_state *pic)
{
double f;
pic_get_args(pic, "f", &f);
return pic_int_value((int)round(f));
}
void
pic_init_number(pic_state *pic)
{
@ -407,4 +427,8 @@ pic_init_number(pic_state *pic)
pic_defun(pic, "sqrt", pic_number_sqrt);
pic_defun(pic, "expt", pic_number_expt);
pic_gc_arena_restore(pic, ai);
pic_defun(pic, "inexact", pic_number_inexact);
pic_defun(pic, "exact", pic_number_exact);
pic_gc_arena_restore(pic, ai);
}