mirror of
https://github.com/swc-project/swc.git
synced 2024-12-22 13:11:31 +03:00
c6b22c57f8
Co-authored-by: Fábio Santos <fabiosantosart@gmail.com>
46 lines
1.4 KiB
JavaScript
46 lines
1.4 KiB
JavaScript
function asm_GeometricMean(stdlib, foreign, buffer) {
|
|
"use asm";
|
|
var exp = stdlib.Math.exp;
|
|
var log = stdlib.Math.log;
|
|
var values = new stdlib.Float64Array(buffer);
|
|
function logSum(start, end) {
|
|
start = start | 0;
|
|
end = end | 0;
|
|
var sum = 0.0,
|
|
p = 0,
|
|
q = 0;
|
|
for (p = start << 3, q = end << 3; (p | 0) < (q | 0); p = (p + 8) | 0) {
|
|
sum = sum + +log(values[p >> 3]);
|
|
}
|
|
return +sum;
|
|
}
|
|
function geometricMean(start, end) {
|
|
start = start | 0;
|
|
end = end | 0;
|
|
return +exp(+logSum(start, end) / +((end - start) | 0));
|
|
}
|
|
return { geometricMean: geometricMean };
|
|
}
|
|
function no_asm_GeometricMean(stdlib, foreign, buffer) {
|
|
var exp = stdlib.Math.exp;
|
|
var log = stdlib.Math.log;
|
|
var values = new stdlib.Float64Array(buffer);
|
|
function logSum(start, end) {
|
|
start = start | 0;
|
|
end = end | 0;
|
|
var sum = 0,
|
|
p = 0,
|
|
q = 0;
|
|
for (p = start << 3, q = end << 3; (p | 0) < (q | 0); p = (p + 8) | 0) {
|
|
sum = sum + +log(values[p >> 3]);
|
|
}
|
|
return +sum;
|
|
}
|
|
function geometricMean(start, end) {
|
|
start = start | 0;
|
|
end = end | 0;
|
|
return +exp(+logSum(start, end) / +((end - start) | 0));
|
|
}
|
|
return { geometricMean: geometricMean };
|
|
}
|