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Full Discussion: Simple arithmetic in shell
Operating Systems Linux Fedora Simple arithmetic in shell Post 302318657 by pludi on Friday 22nd of May 2009 04:12:05 AM
Old 05-22-2009
What did you try to execute?
Code:
$ echo "(120/220)*100" | bc
54.54545454545454545400
$ VAR=$( echo "(120/220)*100" | bc )
$ echo $VAR
54.54545454545454545400
$ div1=120
$ div2=220
$ VAR=$( echo "($div1/$div2)*100" | bc )
$ echo $VAR
54.54545454545454545400

 

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GMP_DIV_Q(3)								 1							      GMP_DIV_Q(3)

gmp_div_q - Divide numbers

SYNOPSIS
GMP gmp_div_q (GMP $a, GMP $b, [int $round = GMP_ROUND_ZERO]) DESCRIPTION
Divides $a by $b and returns the integer result. PARAMETERS
o $a - The number being divided. Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number. o $b - The number that $a is being divided by. Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number. o $round - The result rounding is defined by the $round, which can have the following values: o GMP_ROUND_ZERO: The result is truncated towards 0. o GMP_ROUND_PLUSINF: The result is rounded towards +infinity. o GMP_ROUND_MINUSINF: The result is rounded towards -infinity. Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is pos- sible to convert the latter to a number. RETURN VALUES
A GMP number resource in PHP 5.5 and earlier, or a GMP object in PHP 5.6 and later. EXAMPLES
Example #1 gmp_div_q(3) example <?php $div1 = gmp_div_q("100", "5"); echo gmp_strval($div1) . " "; $div2 = gmp_div_q("1", "3"); echo gmp_strval($div2) . " "; $div3 = gmp_div_q("1", "3", GMP_ROUND_PLUSINF); echo gmp_strval($div3) . " "; $div4 = gmp_div_q("-1", "4", GMP_ROUND_PLUSINF); echo gmp_strval($div4) . " "; $div5 = gmp_div_q("-1", "4", GMP_ROUND_MINUSINF); echo gmp_strval($div5) . " "; ?> The above example will output: 20 0 1 0 -1 NOTES
Note This function can also be called as gmp_div(3). SEE ALSO
gmp_div_r(3), gmp_div_qr(3). PHP Documentation Group GMP_DIV_Q(3)
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