* Added bytevector-s16-ref and bytevector-s16-native-ref.
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src/ikarus.boot
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src/ikarus.boot
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@ -5,6 +5,8 @@
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bytevector-copy! u8-list->bytevector bytevector->u8-list
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bytevector-copy! u8-list->bytevector bytevector->u8-list
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bytevector-u16-native-ref
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bytevector-u16-native-ref
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bytevector-u16-ref
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bytevector-u16-ref
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bytevector-s16-native-ref
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bytevector-s16-ref
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bytevector-fill! bytevector-copy bytevector=?
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bytevector-fill! bytevector-copy bytevector=?
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bytevector-uint-ref bytevector-sint-ref
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bytevector-uint-ref bytevector-sint-ref
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bytevector-uint-set! bytevector-sint-set!
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bytevector-uint-set! bytevector-sint-set!
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@ -17,6 +19,8 @@
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bytevector-copy! u8-list->bytevector bytevector->u8-list
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bytevector-copy! u8-list->bytevector bytevector->u8-list
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bytevector-u16-native-ref
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bytevector-u16-native-ref
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bytevector-u16-ref
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bytevector-u16-ref
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bytevector-s16-native-ref
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bytevector-s16-ref
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bytevector-fill! bytevector-copy bytevector=?
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bytevector-fill! bytevector-copy bytevector=?
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bytevector-uint-ref bytevector-sint-ref
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bytevector-uint-ref bytevector-sint-ref
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bytevector-uint-set! bytevector-sint-set!
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bytevector-uint-set! bytevector-sint-set!
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@ -104,29 +108,65 @@
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($fx<= 0 i)
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($fx<= 0 i)
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($fx< i ($fxsub1 ($bytevector-length x)))
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($fx< i ($fxsub1 ($bytevector-length x)))
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($fxzero? ($fxlogand i 1)))
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($fxzero? ($fxlogand i 1)))
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($fx+ ($fxsll ($bytevector-u8-ref x i) 8)
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($fxlogor
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($bytevector-u8-ref x ($fxadd1 i)))
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($fxsll ($bytevector-u8-ref x i) 8)
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($bytevector-u8-ref x ($fxadd1 i)))
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(error 'bytevector-u16-native-ref "invalid index ~s" i))
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(error 'bytevector-u16-native-ref "invalid index ~s" i))
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(error 'bytevector-u16-native-ref "~s is not a bytevector" x))))
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(error 'bytevector-u16-native-ref "~s is not a bytevector" x))))
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(define bytevector-s16-native-ref
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(lambda (x i)
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(if (bytevector? x)
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(if (and (fixnum? i)
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($fx<= 0 i)
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($fx< i ($fxsub1 ($bytevector-length x)))
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($fxzero? ($fxlogand i 1)))
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($fxlogor
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($fxsll ($bytevector-s8-ref x i) 8)
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($bytevector-u8-ref x ($fxadd1 i)))
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(error 'bytevector-s16-native-ref "invalid index ~s" i))
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(error 'bytevector-s16-native-ref "~s is not a bytevector" x))))
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(define bytevector-u16-ref
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(define bytevector-u16-ref
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(lambda (x i end)
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(lambda (x i end)
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(if (bytevector? x)
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(if (bytevector? x)
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(if (and (fixnum? i)
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(if (and (fixnum? i)
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($fx<= 0 i)
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($fx<= 0 i)
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($fx< i ($fxsub1 ($bytevector-length x)))
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($fx< i ($fxsub1 ($bytevector-length x))))
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($fxzero? ($fxlogand i 1)))
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(case end
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(case end
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[(big)
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[(big)
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($fx+ ($fxsll ($bytevector-u8-ref x i) 8)
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($fxlogor
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($bytevector-u8-ref x ($fxadd1 i)))]
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($fxsll ($bytevector-u8-ref x i) 8)
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($bytevector-u8-ref x ($fxadd1 i)))]
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[(little)
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[(little)
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($fx+ ($fxsll ($bytevector-u8-ref x (fxadd1 i)) 8)
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($fxlogor
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($bytevector-u8-ref x i))]
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($fxsll ($bytevector-u8-ref x (fxadd1 i)) 8)
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($bytevector-u8-ref x i))]
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[else (error 'bytevector-u16-ref "invalid endianness ~s" end)])
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[else (error 'bytevector-u16-ref "invalid endianness ~s" end)])
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(error 'bytevector-u16-ref "invalid index ~s" i))
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(error 'bytevector-u16-ref "invalid index ~s" i))
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(error 'bytevector-u16-ref "~s is not a bytevector" x))))
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(error 'bytevector-u16-ref "~s is not a bytevector" x))))
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(define bytevector-s16-ref
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(lambda (x i end)
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(if (bytevector? x)
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(if (and (fixnum? i)
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($fx<= 0 i)
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($fx< i ($fxsub1 ($bytevector-length x))))
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(case end
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[(big)
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($fxlogor
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($fxsll ($bytevector-s8-ref x i) 8)
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($bytevector-u8-ref x ($fxadd1 i)))]
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[(little)
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($fxlogor
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($fxsll ($bytevector-s8-ref x (fxadd1 i)) 8)
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($bytevector-u8-ref x i))]
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[else (error 'bytevector-s16-ref "invalid endianness ~s" end)])
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(error 'bytevector-s16-ref "invalid index ~s" i))
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(error 'bytevector-s16-ref "~s is not a bytevector" x))))
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(define bytevector->u8-list
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(define bytevector->u8-list
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(lambda (x)
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(lambda (x)
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(unless (bytevector? x)
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(unless (bytevector? x)
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@ -393,6 +393,8 @@
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[bytevector-u8-set! i]
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[bytevector-u8-set! i]
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[bytevector-u16-ref i]
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[bytevector-u16-ref i]
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[bytevector-u16-native-ref i]
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[bytevector-u16-native-ref i]
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[bytevector-s16-ref i]
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[bytevector-s16-native-ref i]
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[bytevector->u8-list i]
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[bytevector->u8-list i]
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[u8-list->bytevector i]
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[u8-list->bytevector i]
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[bytevector-copy! i]
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[bytevector-copy! i]
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@ -192,6 +192,10 @@
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(bytevector-u16-ref '#vu8(255 253) 0 'little)]
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(bytevector-u16-ref '#vu8(255 253) 0 'little)]
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[(lambda (x) (= x 65533))
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[(lambda (x) (= x 65533))
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(bytevector-u16-ref '#vu8(255 253) 0 'big)]
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(bytevector-u16-ref '#vu8(255 253) 0 'big)]
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[(lambda (x) (= x -513))
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(bytevector-s16-ref '#vu8(255 253) 0 'little)]
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[(lambda (x) (= x -3))
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(bytevector-s16-ref '#vu8(255 253) 0 'big)]
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))
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))
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@ -364,9 +364,9 @@
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[bytevector-ieee-single-native-set! S bv]
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[bytevector-ieee-single-native-set! S bv]
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[bytevector-ieee-single-ref S bv]
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[bytevector-ieee-single-ref S bv]
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[bytevector-length C bv]
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[bytevector-length C bv]
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[bytevector-s16-native-ref S bv]
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[bytevector-s16-native-ref C bv]
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[bytevector-s16-native-set! S bv]
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[bytevector-s16-native-set! S bv]
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[bytevector-s16-ref S bv]
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[bytevector-s16-ref C bv]
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[bytevector-s16-set! S bv]
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[bytevector-s16-set! S bv]
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[bytevector-s32-native-ref S bv]
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[bytevector-s32-native-ref S bv]
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[bytevector-s32-native-set! S bv]
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[bytevector-s32-native-set! S bv]
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