diff options
Diffstat (limited to 'numeric.c')
-rw-r--r-- | numeric.c | 57 |
1 files changed, 57 insertions, 0 deletions
@@ -869,6 +869,63 @@ rb_num2fix(val) return INT2FIX(v); } +#if HAVE_LONG_LONG + +long long +rb_num2ll(val) + VALUE val; +{ + if (NIL_P(val)) { + rb_raise(rb_eTypeError, "no implicit conversion from nil"); + } + + if (FIXNUM_P(val)) return (long long)FIX2LONG(val); + + switch (TYPE(val)) { + case T_FLOAT: + if (RFLOAT(val)->value <= (double)LLONG_MAX + && RFLOAT(val)->value >= (double)LLONG_MIN) { + return (long long)(RFLOAT(val)->value); + } + else { + char buf[24]; + char *s; + + sprintf(buf, "%-.10g", RFLOAT(val)->value); + if (s = strchr(buf, ' ')) *s = '\0'; + rb_raise(rb_eRangeError, "float %s out of range of long long", buf); + } + + case T_BIGNUM: + return rb_big2ll(val); + + case T_STRING: + rb_raise(rb_eTypeError, "no implicit conversion from string"); + return Qnil; /* not reached */ + + case T_TRUE: + case T_FALSE: + rb_raise(rb_eTypeError, "no implicit conversion from boolean"); + return Qnil; /* not reached */ + + default: + val = rb_to_int(val); + return NUM2LL(val); + } +} + +unsigned long long +rb_num2ull(val) + VALUE val; +{ + if (TYPE(val) == T_BIGNUM) { + return rb_big2ull(val); + } + return (unsigned long long)rb_num2ll(val); +} + +#endif /* HAVE_LONG_LONG */ + static VALUE int_to_i(num) VALUE num; |