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Release calc version 2.11.0t10

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Landon Curt Noll
1999-11-11 05:15:39 -08:00
parent 86c8e6dcf1
commit 96c34adee3
283 changed files with 2380 additions and 3032 deletions
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@@ -15,7 +15,7 @@ Using objects
where D is a fixed integer, and 'a' and 'b' are arbitrary rational
numbers. Addition, subtraction, multiplication, and division can be
performed on such numbers, and the result can be put unambiguously
into the same form. (Complex numbers are an example of surds, where
into the same form. (Complex numbers are an example of surds, where
D is -1.)
The "obj" statement defines either an object type or an actual
@@ -53,8 +53,8 @@ Using objects
called.
The user function is called with the necessary arguments for that
operation. For example, for "surd_mul", there are two arguments,
which are the two numbers. The order of the arguments is always
operation. For example, for "surd_mul", there are two arguments,
which are the two numbers. The order of the arguments is always
the order of the binary operands. If only one of the operands to
a binary operator is an object, then the user function for that
object type is still called. If the two operands are of different
@@ -64,7 +64,7 @@ Using objects
The above rules mean that for full generality, user functions
should detect that one of their arguments is not of its own object
type by using the 'istype' function, and then handle these cases
specially. In this way, users can mix normal numbers with object
specially. In this way, users can mix normal numbers with object
types. (Functions which only have one operand don't have to worry
about this.) The following example of "surd_mul" demonstrates how
to handle regular numbers when used together with surds:
@@ -88,13 +88,13 @@ Using objects
x.b = a.a * b.b + a.b * b.a;
}
if (x.b == 0)
return x.a; /* normal number */
return x.a; /* normal number */
return x; /* return surd */
}
In order to print the value of an object nicely, a user defined
routine can be provided. For small amounts of output, the print
routine should not print a newline. Also, it is most convenient
routine should not print a newline. Also, it is most convenient
if the printed object looks like the call to the creation routine.
For output to be correctly collected within nested output calls,
output should only go to stdout. This means use the 'print'
@@ -121,50 +121,50 @@ Using objects
in order to make object calls quicker in general.
The double-bracket operator can be used to reference the elements
of any object in a generic manner. When this is done, index 0
of any object in a generic manner. When this is done, index 0
corresponds to the first element name, index 1 to the second name,
and so on. The 'size' function will return the number of elements
and so on. The 'size' function will return the number of elements
in an object.
The following is a list of the operations possible for objects.
The 'xx' in each function name is replaced with the actual object
type name. This table is displayed by the 'show objfuncs' command.
type name. This table is displayed by the 'show objfuncs' command.
Name Args Comments
xx_print 1 print value, default prints elements
xx_one 1 multiplicative identity, default is 1
xx_test 1 logical test (false,true => 0,1),
xx_print 1 print value, default prints elements
xx_one 1 multiplicative identity, default is 1
xx_test 1 logical test (false,true => 0,1),
default tests elements
xx_add 2
xx_sub 2 subtraction, default adds negative
xx_neg 1 negative
xx_mul 2
xx_div 2 non-integral division, default multiplies
xx_add 2
xx_sub 2 subtraction, default adds negative
xx_neg 1 negative
xx_mul 2
xx_div 2 non-integral division, default multiplies
by inverse
xx_inv 1 multiplicative inverse
xx_abs 2 absolute value within given error
xx_norm 1 square of absolute value
xx_conj 1 conjugate
xx_pow 2 integer power, default does multiply,
xx_inv 1 multiplicative inverse
xx_abs 2 absolute value within given error
xx_norm 1 square of absolute value
xx_conj 1 conjugate
xx_pow 2 integer power, default does multiply,
square, inverse
xx_sgn 1 sign of value (-1, 0, 1)
xx_cmp 2 equality (equal,non-equal => 0,1),
xx_sgn 1 sign of value (-1, 0, 1)
xx_cmp 2 equality (equal,non-equal => 0,1),
default tests elements
xx_rel 2 inequality (less,equal,greater => -1,0,1)
xx_quo 2 integer quotient
xx_mod 2 remainder of division
xx_int 1 integer part
xx_frac 1 fractional part
xx_inc 1 increment, default adds 1
xx_dec 1 decrement, default subtracts 1
xx_square 1 default multiplies by itself
xx_scale 2 multiply by power of 2
xx_shift 2 shift left by n bits (right if negative)
xx_round 2 round to given number of decimal places
xx_bround 2 round to given number of binary places
xx_root 3 root of value within given error
xx_sqrt 2 square root within given error
xx_rel 2 inequality (less,equal,greater => -1,0,1)
xx_quo 2 integer quotient
xx_mod 2 remainder of division
xx_int 1 integer part
xx_frac 1 fractional part
xx_inc 1 increment, default adds 1
xx_dec 1 decrement, default subtracts 1
xx_square 1 default multiplies by itself
xx_scale 2 multiply by power of 2
xx_shift 2 shift left by n bits (right if negative)
xx_round 2 round to given number of decimal places
xx_bround 2 round to given number of binary places
xx_root 3 root of value within given error
xx_sqrt 2 square root within given error
xx_or 2 boolean or
xx_and 2 boolean and
xx_not 1 boolean not