version 1.16, 2009/09/25 18:52:29
|
version 1.20, 2011/12/31 15:29:26
|
Line 1
|
Line 1
|
\ test some gforth extension words |
\ test some gforth extension words |
|
|
\ Copyright (C) 2003,2004,2005,2006,2007 Free Software Foundation, Inc. |
\ Copyright (C) 2003,2004,2005,2006,2007,2009,2011 Free Software Foundation, Inc. |
|
|
\ This file is part of Gforth. |
\ This file is part of Gforth. |
|
|
Line 95 t{ -5e 1e fcopysign -> 5e }t
|
Line 95 t{ -5e 1e fcopysign -> 5e }t
|
t{ 5e -1e fcopysign -> -5e }t |
t{ 5e -1e fcopysign -> -5e }t |
t{ -5e -1e fcopysign -> -5e }t |
t{ -5e -1e fcopysign -> -5e }t |
\ tests involving -0e? |
\ tests involving -0e? |
|
|
|
\ ?of nextcase contof |
|
|
|
: mysgn ( n1 -- n2 ) |
|
case |
|
dup 0< ?of drop -1 endof |
|
dup 0> ?of drop 1 endof |
|
dup |
|
endcase ; |
|
|
|
t{ 5 mysgn -> 1 } |
|
t{ -3 mysgn -> -1 } |
|
t{ 0 mysgn -> 0 } |
|
|
|
: myscan ( addr1 n1 char -- addr2 n2 ) |
|
>r case |
|
dup 0= ?of endof |
|
over c@ r@ = ?of endof |
|
1 /string |
|
dup nextcase |
|
rdrop ; |
|
|
|
t{ s" dhfa;jfsdk" 2dup ';' myscan 2swap 4 /string d= -> true } |
|
t{ s" abcdef" 2dup 'g' myscan 2swap 6 /string d= -> true } |
|
|
|
|
|
: gcd ( n1 n2 -- n ) |
|
case |
|
2dup > ?of tuck - contof |
|
2dup < ?of over - contof |
|
endcase ; |
|
|
|
t{ 48 42 gcd -> 6 } |
|
t{ 42 48 gcd -> 6 } |
|
|
|
|
|
|