gmp_div_q

(PHP 4 >= 4.0.4, PHP 5)

gmp_div_q -- Divide numbers

Description

resource gmp_div_q ( resource a, resource b [, int round] )

Divides a by b and returns the integer result. The result rounding is defined by the round, which can have the following values:

  • GMP_ROUND_ZERO: The result is truncated towards 0.

  • GMP_ROUND_PLUSINF: The result is rounded towards +infinity.

  • GMP_ROUND_MINUSINF: The result is rounded towards -infinity.

This function can also be called as gmp_div().

例子 1. gmp_div_q() example

<?php
$div1
= gmp_div_q("100", "5");
echo
gmp_strval($div1) . "\n";

$div2 = gmp_div_q("1", "3");
echo
gmp_strval($div2) . "\n";

$div3 = gmp_div_q("1", "3", GMP_ROUND_PLUSINF);
echo
gmp_strval($div3) . "\n";

$div4 = gmp_div_q("-1", "4", GMP_ROUND_PLUSINF);
echo
gmp_strval($div4) . "\n";

$div5 = gmp_div_q("-1", "4", GMP_ROUND_MINUSINF);
echo
gmp_strval($div5) . "\n";
?>

The printout of the above program will be:

20
0
1
0
1

See also gmp_div_r(), gmp_div_qr()


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