# Rational#hash **URL:** \ **Category:** Development\ **Created:** [July 22, 2009, 1:53pm UTC](https://www.ruby-forum.com/t/rational-hash/172499 "2009-07-22T13:53:20Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![Tadayoshi\_F](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/2bfe46/32.png) [@Tadayoshi\_F](https://www.ruby-forum.com/u/Tadayoshi_F)\ **Post date:** [July 22, 2009, 1:53pm UTC](https://www.ruby-forum.com/t/rational-hash/172499/1 "2009-07-22T13:53:20Z")
e$B$$$D$@$C$?$+!"e(Brational e$B$J$I$Ne(B hash e$B$,JQ$C$?$h$&$G$9$,!“0UL#$,2r$C$F$$$Je(B e$B$$$s$G$9$,!”$_$F$_$k$H!"e(B ``` h[0] = rb_hash(rb_obj_class(self)); n = rb_hash(dat->num); h[1] = NUM2LONG(n); n = rb_hash(dat->den); h[2] = NUM2LONG(n); ``` rb\_hash e$B$rET9ge(B3e$B2s8F$s$G$$$F!“8e$Ne(B2e$B2s$Oe(B NUM2LONG e$B$7$F$$$F!”:G=i$N$O$=$&e(B e$B$8$c$J$$$s$G$9$,!"$3$l$O$3$&$$$&$b$N$H$$$&$3$H$G$$$$$s$G$9$+!#e(B ---
**Author:** ![Tadayoshi\_F](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/2bfe46/32.png) [@Tadayoshi\_F](https://www.ruby-forum.com/u/Tadayoshi_F)\ **Post date:** [July 25, 2009, 3:25am UTC](https://www.ruby-forum.com/t/rational-hash/172499/2 "2009-07-25T03:25:44Z")
r22317 | mame | 2009-02-15 04:55:34 +0900 (Sun, 15 Feb 2009) | 8 lines - string.c (rb\_hash\_uint32, rb\_hash\_uint, rb\_hash\_start, rb\_hash\_end), include/ruby/intern.h: add Murmurhash API. [ruby-dev:37784] - complex.c (nucomp\_hash), array.c (rb\_ary\_hash), time.c (time\_hash), string.c (rb\_str\_hsah), object.c (rb\_obj\_hash), range.c (range\_hash), struct.c (rb\_struct\_hash), hash.c (rb\_any\_hash), rational.c (nurat\_hash): use Murmurhash. [ruby-dev:37784] e$B$3$l$\_$?$$$G$9$,!"H?1~$,$J$$$h$&$J$iE,Ev$KD\>$9$+!"85$KLa$7$^$9!#e(B ---
**Author:** ![Tadayoshi\_F](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/2bfe46/32.png) [@Tadayoshi\_F](https://www.ruby-forum.com/u/Tadayoshi_F)\ **Post date:** [July 25, 2009, 6:05am UTC](https://www.ruby-forum.com/t/rational-hash/172499/3 "2009-07-25T06:05:30Z")
e$B$J$+$@$G$9!#e(B At Wed, 22 Jul 2009 20:52:46 +0900, Tadayoshi F. wrote in [ruby-dev:38850]: > e$B$$$D$@$C$?$+!"e(Brational e$B$J$I$Ne(B hash e$B$,JQ$C$?$h$&$G$9$,!“0UL#$,2r$C$F$$$Je(B > e$B$$$s$G$9$,!”$_$F$_$k$H!"e(B e$BJQ99$NM}M3$Oe(B[ruby-dev:37777]e$B$N8eH\>$K$"$k$h$&$K!"e(Bhashe$BCM$N\>WFM$,B?e(B e$B$$$H$$$&LdBj$N$?$a$G$9!#e(B At Fri, 16 Jan 2009 20:00:08 +0900, Keiju ISHITSUKA wrote in [ruby-dev:37777]: > e$B$1$$$8$e!w$$$7$D$+$G$9e(B. > (snip) > e$BF1MM$G$9e(B. e$B$^$?e(B, Fixnum#hashe$B$He(BObject#hashe$B$bJL$Ne(Bseede$B$rM?$($k$N$b$h$5$=$&e(B > e$B$J5$$,$7$^$9e(B. > ``` > h[0] = rb_hash(rb_obj_class(self)); > n = rb_hash(dat->num); > h[1] = NUM2LONG(n); > n = rb_hash(dat->den); > h[2] = NUM2LONG(n); > > ``` > > rb\_hash e$B$rET9ge(B3e$B2s8F$s$G$$$F!“8e$Ne(B2e$B2s$Oe(B NUM2LONG e$B$7$F$$$F!”:G=i$N$O$=$&e(B > e$B$8$c$J$$$s$G$9$,!"$3$l$O$3$&$$$&$b$N$H$$$&$3$H$G$$$$$s$G$9$+!#e(B e$B$?$7$+$K!"e(BBignume$B$,JV$5$l$k$He(Bhashe$BCM$,JQ$o$C$F$7$^$C$F$^$:$$$N$G:Ge(B e$B=i$be(BNUM2LONG()e$B$9$Y$-$G$7$g$&$,!“e(BArraye$B$J$IB\>$N%/%i%9$G$O%5%V%/%ie(B e$B%9$G$bF1$8e(Bhashe$BCM$K$J$k$h$&$K$J$C$F$$$k$N$G!”:G=i$Ne(Brb\_hash() e$B$r=|e(B e$B$/$[$&$,$$$$$H;W$$$^$9!#e(B # Index: complex.c — complex.c (revision 24266) +++ complex.c (working copy) @@ -1157,13 +1157,12 @@ static VALUE nucomp\_hash(VALUE self) { - long v, h[3]; - long v, h[2]; VALUE n; - h[0] = rb\_hash(rb\_obj\_class(self)); n = rb\_hash(dat-\>real); - h[1] = NUM2LONG(n); - h[0] = NUM2LONG(n); n = rb\_hash(dat-\>imag); - h[2] = NUM2LONG(n); - h[1] = NUM2LONG(n); v = rb\_memhash(h, sizeof(h)); return LONG2FIX(v); Index: rational.c =================================================================== — rational.c (revision 24266) +++ rational.c (working copy) @@ -1361,13 +1361,12 @@ static VALUE nurat\_hash(VALUE self) { - long v, h[3]; - long v, h[2]; VALUE n; - h[0] = rb\_hash(rb\_obj\_class(self)); n = rb\_hash(dat-\>num); - h[1] = NUM2LONG(n); - h[0] = NUM2LONG(n); n = rb\_hash(dat-\>den); - h[2] = NUM2LONG(n); - h[1] = NUM2LONG(n); v = rb\_memhash(h, sizeof(h)); return LONG2FIX(v); ---
**Author:** ![Tadayoshi\_F](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/2bfe46/32.png) [@Tadayoshi\_F](https://www.ruby-forum.com/u/Tadayoshi_F)\ **Post date:** [July 25, 2009, 6:17am UTC](https://www.ruby-forum.com/t/rational-hash/172499/4 "2009-07-25T06:17:47Z")
e$B$^$D$b$He(B e$B$f$-$R$m$G$9e(B In message “Re: [ruby-dev:38897] Re: Rational#hash” on Sat, 25 Jul 2009 13:05:12 +0900, Nobuyoshi N. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) writes: |\> rb\_hash e$B$rET9ge(B3e$B2s8F$s$G$$$F!“8e$Ne(B2e$B2s$Oe(B NUM2LONG e$B$7$F$$$F!”:G=i$N$O$=$&e(B |\> e$B$8$c$J$$$s$G$9$,!"$3$l$O$3$&$$$&$b$N$H$$$&$3$H$G$$$$$s$G$9$+!#e(B | |e$B$?$7$+$K!"e(BBignume$B$,JV$5$l$k$He(Bhashe$BCM$,JQ$o$C$F$7$^$C$F$^$:$$$N$G:Ge(B |e$B=i$be(BNUM2LONG()e$B$9$Y$-$G$7$g$&$,!“e(BArraye$B$J$IB\>$N%/%i%9$G$O%5%V%/%ie(B |e$B%9$G$bF1$8e(Bhashe$BCM$K$J$k$h$&$K$J$C$F$$$k$N$G!”:G=i$Ne(Brb\_hash() e$B$r=|e(B |e$B$/$[$&$,$$$$$H;W$$$^$9!#e(B e$B%3%\_%C%H$7$F$/$@$5$$!#e(B ---
**Author:** ![Tadayoshi\_F](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/2bfe46/32.png) [@Tadayoshi\_F](https://www.ruby-forum.com/u/Tadayoshi_F)\ **Post date:** [July 26, 2009, 11:17am UTC](https://www.ruby-forum.com/t/rational-hash/172499/5 "2009-07-26T11:17:48Z")
e$BBP1~$I$&$b!#e(B e$B$J$+$@$5$s$,%Q%C%A=q$$$?$N$KJL?M$,%3%\_%C%H$7$F$?$H$O!"$A$g$C$HIT;W5D!#e(B ---
**Author:** ![Tadayoshi\_F](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/2bfe46/32.png) [@Tadayoshi\_F](https://www.ruby-forum.com/u/Tadayoshi_F)\ **Post date:** [July 25, 2009, 7:18am UTC](https://www.ruby-forum.com/t/rational-hash/172499/6 "2009-07-25T07:18:39Z")
e$B$J$+$@$G$9!#e(B At Sat, 25 Jul 2009 13:05:12 +0900, Nobuyoshi N. wrote in [ruby-dev:38897]: > e$B$?$7$+$K!"e(BBignume$B$,JV$5$l$k$He(Bhashe$BCM$,JQ$o$C$F$7$^$C$F$^$:$$$N$G:Ge(B > e$B=i$be(BNUM2LONG()e$B$9$Y$-$G$7$g$&$,!“e(BArraye$B$J$IB\>$N%/%i%9$G$O%5%V%/%ie(B > e$B%9$G$bF1$8e(Bhashe$BCM$K$J$k$h$&$K$J$C$F$$$k$N$G!”:G=i$Ne(Brb\_hash() e$B$r=|e(B > e$B$/$[$&$,$$$$$H;W$$$^$9!#e(B e$B\>/!9D{@5!#e(Brb\_hash()e$B$NLa$jCM$Oe(Bhashe$B%a%=%C%I$=$N$^$^$G$O$J$/!"\>o$Ke(B Fixnume$B$rJV$9$h$&$K$J$C$F$$$k$N$G!"A0H\>$N!Ve(BNUM2LONGe$B$7$J$1$l$P$J$ie(B e$B$J$$!W$H$$$&$N$O8m$j$G$7$?!#e(B