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Siebel Product Administration Guide > Siebel Configurator Rule Assembly Language > About Operators in Rule Assembly Language >
Arithmetic Operators in Rule Assembly Language
Arithmetic operators expect numeric operands and produce a numeric result. They are most frequently used in sub-expressions. The following top-level expression means that the quantity of item C in the solution must be the same as the sum of the quantities of items A and B. ==(+([A],[B]),[C])
Assuming no other constraints on item A, B, or C; if you add A or B to the solution, then C will be added as well to match the sum. If you add a large number of C's, the Siebel Configurator engine will add A and B in arbitrary quantities so that their sum equals the amount of C. When used in sub-expressions, these operators must return a numeric result. If a sub-expression returns a logical result, true is interpreted as a 1, and false is interpreted as a 0. In the example above, if B is an expression that returns the logical result true, then the expression is equivalent to the following: ==(+([A],1),[C])
Arithmetic operators are shown in Table 33.
Table 33. Arithmetic Operators
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Addition |
+(A, B)
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Sum of A and B. A and B can be items or sub-expressions. Result is floating point if A or B is floating point. |
Subtraction |
-(A, B)
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Subtracts B from A. A and B can be items or sub-expressions. Result is floating point if A or B is floating point. |
Negation |
-(A)
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Additive inverse of A. Uses only one operand. A can be an item or expression. |
Multiplication |
*(A, B)
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Product of A and B. Result is floating point if A or B is floating point. A and B can be items or sub-expressions. |
Division |
/(A, B)
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Quotient of A divided by B. Truncates ratio to integer if both A and B are integers. Result is floating point if A or B is floating point. A and B can be items or sub-expressions. |
Modulo |
%(A, B)
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Remainder of A divided by B. For example, %(1900, 72) results in 28. If A or B is floating point, the value is first rounded to the nearest integer; then the remainder is computed as for integers. A and B can be items or sub-expressions. |
Minimum |
min(A, B)
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Result is the smaller of A and B and is floating point if A or B is floating point. A and B can be items or sub-expressions. |
Maximum |
max(A, B)
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Result is the larger of A and B and is floating point if A or B is floating point. A and B can be items or sub-expressions. |
The following operators, shown in Table 34, also take numeric arguments and produce numeric results. Use them to control numeric accuracy or change numeric characteristics.
Table 34. Additional Arithmetic Operators
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Quantity |
qty(A)
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Result is the quantity of A rounded to nearest integer. For example, if A is 6.7, returns 7. If A is 6.3, returns 6. A can be an item or sub-expression. Useful only with resources. |
Integer |
int(A)
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Truncates A down to an integer. For example, if operand is 6.7, returns 6. A can be an item or sub-expression. |
Float |
flo(A)
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Converts A to floating point. Same as multiplying operand by 1.0. A can be a sub-expression. Not useful with resources. |
Absolute value |
abs(A)
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Returns the absolute value of A. A can be an item or sub-expression. |
Sign test |
sgn(A)
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Returns -1 if the quantity of A <0, 0 if A=0, 1 if A>0. A can be a sub-expression. |
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