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Fix6.4example #51

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Fix6.4example #51

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17dc6b7
fix 6.4 example
Jan 4, 2025
c895398
fix 6.4 example more line srcfile
Jan 4, 2025
3f48820
fix 6.4 example (delete continue)
Jan 7, 2025
a04c1b5
fix 6.4 example
Jan 7, 2025
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6 changes: 3 additions & 3 deletions latex_src/little_languages.tex
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Original file line number Diff line number Diff line change
Expand Up @@ -690,7 +690,7 @@ \section{逆波兰式计算器}
top = 0
next
}
if (top == 1)
if (top == 1 && i == NF)
printf("\t%.8g\n", stack[top--])
else if (top > 1) {
printf("error: too many operands\n")
Expand Down Expand Up @@ -729,7 +729,7 @@ \section{逆波兰式计算器}

{ for (i = 1; i <= NF; i++)
if ($i ~ /^[+-]?([0-9]+[.]?[0-9]*|[.][0-9]+)$/) {
stack[++top] = $i
stack[++top] = $i
} else if ($i == "+" && top > 1) {
stack[top-1] += stack[top]; top--
} else if ($i == "-" && top > 1) {
Expand Down Expand Up @@ -763,7 +763,7 @@ \section{逆波兰式计算器}
top = 0
next
}
if (top == 1 && $NF !~ /\=$/)
if (top == 1 && i == NF && $NF !~ /\=$/)
printf("\t%.8g\n", stack[top--])
else if (top > 1) {
printf("error: too many operands\n")
Expand Down