bcscale
(PHP 3, PHP 4, PHP 5)
bcscale --
Set default scale parameter for all bc math functions
Description
bool
bcscale ( int scale )
This function sets the default scale parameter for all subsequent
bc math functions that do not explicitly specify a scale
parameter. 如果成功则返回 TRUE，失败则返回 FALSE。
范例
例子 1. bcscale() example
<?php
// default scale : 3
bcscale(3);
echo bcdiv('105', '6.55957'); // 16.007
// this is the same without bcscale()
echo bcdiv('105', '6.55957', 3); // 16.007
?>
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