Sha256: 2d182ec68abbcf3d3cb58fd482fbf08a6c4230bc4de7086652ca2620a669e4d8
Contents?: true
Size: 620 Bytes
Versions: 31
Compression:
Stored size: 620 Bytes
Contents
// Returns the arctangent of a number.
// @param {Number} $x
// @example
// atan(0.1) // 0.09967
// atan(-1) // -0.7854
@use "sass:math";
@function atan ($x){
$i: 24;
$sgn: 0;
$a: 0;
@if $x > 1{
$sgn: 1;
$x: math.div(1, $x);
}
@else if $x < -1{
$sgn: -1;
$x: math.div(1, $x);
}
@while $i > 0{
$a: math.div($i * $i * $x * $x, 2 * $i + 1 + $a);
$i: $i - 1;
}
@if $sgn > 0{
@return $PI * .5 - math.div($x, 1 + $a);
}
@else if $sgn < 0{
@return -$PI * .5 - math.div($x, 1 + $a);
}
@else{
@return math.div($x, 1 + $a);
}
}
Version data entries
31 entries across 31 versions & 1 rubygems