Arithmetic/Rational: Difference between revisions
Content added Content deleted
m (→{{header|REXX}}: added comment about ignoring the first reciprocal (unity). -- ~~~~) |
m (→{{header|REXX}}: corrected two misspellings of numerator. -- ~~~~) |
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parse var x n '/' d; d=p(d 1) |
parse var x n '/' d; d=p(d 1) |
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if d=0 then call err 'division by zero:' x |
if d=0 then call err 'division by zero:' x |
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if \isNum(n) then call err 'a not numeric |
if \isNum(n) then call err 'a not numeric numerator:' x |
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if \isNum(d) then call err 'a not numeric denominator:' x |
if \isNum(d) then call err 'a not numeric denominator:' x |
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return n/d |
return n/d |
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do j=1 for 2 /*verification of both fractions.*/ |
do j=1 for 2 /*verification of both fractions.*/ |
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if pos('/',z.j)==0 then z.j=z.j"/1"; parse var z.j n.j '/' d.j |
if pos('/',z.j)==0 then z.j=z.j"/1"; parse var z.j n.j '/' d.j |
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if \isNum(n.j) then call err 'a not numeric |
if \isNum(n.j) then call err 'a not numeric numerator:' n.j |
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if \isNum(d.j) then call err 'a not numeric denominator:' d.j |
if \isNum(d.j) then call err 'a not numeric denominator:' d.j |
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n.j=n.j/1; d.j=d.j/1 |
n.j=n.j/1; d.j=d.j/1 |
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