Description

Operators

OR XOR EQV IMP
AND
NOT
< <= = <> >= > LE LE EQ NE GE GT
+ - unary -
  /

   ** ** Additional tests are welcome ** ** **

Contributor: Alex

Small Model of Type : GAMS

Category : GAMS Test library

Main file : eval04.gms

$title test constant compile time evaluation operators (EVAL04,SEQ=463)

$onText

Operators

OR XOR EQV IMP
AND
NOT
< <= = <> >= > LE LE EQ NE GE GT
+ - unary -
* /

** ** ** Additional tests are welcome ** ** **

Contributor: Alex
$offText

$onDollar

set f / opOR,opXOR,opEQV,opIMP,opAND,opEQ,opNE,opLE,opGE,opLT,opGT,opNOT,opPLUS,
        opMINUS,opUNARY,opMUL,opDIV /
    c / 1*10 /
    v / calculated, expected /;

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table res(f,c,v) calculated and expected function values

            calculated           expected
opOR.1      [undf or undf]       undf
opOR.2      [0 or 0]             0
opOR.3      [0 or 1]             1
opOR.4      [1 or 0]             1
opOR.5      [1 or 1]             1
opOR.6      [inf or inf]         1

opXOR.1     [undf or undf]       undf
opXOR.2     [0 xor 0]            0
opXOR.3     [0 xor 1]            1
opXOR.4     [1 xor 0]            1
opXOR.5     [1 xor 1]            0
opXOR.6     [inf xor inf]        0

opEQV.1     [undf or undf]       undf
opEQV.2     [0 eqv 0]            1
opEQV.3     [0 eqv 1]            0
opEQV.4     [1 eqv 0]            0
opEQV.5     [1 eqv 1]            1
opEQV.6     [inf eqv inf]        1

opIMP.1     [undf or undf]       undf
opIMP.2     [0 imp 0]            1
opIMP.3     [0 imp 1]            1
opIMP.4     [1 imp 0]            0
opIMP.5     [1 imp 1]            1
opIMP.6     [inf imp inf]        1

opAND.1     [undf and undf]      undf
opAND.2     [0 and 0]            0
opAnd.3     [+inf and -inf]      1

opEQ.1      [undf = undf]        1
opEQ.2      [undf = 1]           0

opNE.1      [undf <> undf]       0
opNE.2      [undf <> 1]          1

opLE.1      [undf <= inf]        undf
opLE.2      [-inf <= +inf]       1

opNOT.1     [not undf]           undf
opNOT.2     [not 0]              1
opNOT.3     [not inf]            0

opPLUS.1    [undf + 5]           undf

opMINUS.1   [undf - 3]           undf
opMINUS.2   [inf-inf]            undf
opMINUS.3   [-(inf+1)-inf]      -inf

opUNARY.1   [-(undf+1)]          undf
opUNARY.2   [-(inf+3)]          -inf

opMUL.1     [undf*3]             undf
opMUL.2     [1e200*1e200]        inf
opMUL.3     [inf*0]              undf

opDIV.1     [undf/3]             undf
opDIV.2     [0/undf]             undf
opDIV.3     [inf/inf]            undf
opDIV.4     [5/0]                inf


Parameters diff(f,c,v) differences; set fc(f,c) differences;

fc(f,c) = res(f,c,'calculated') <> res(f,c,'expected');
diff(fc,v) = res(fc,v);

display diff;

abort$card(diff) 'results do not match';