prelude-ls
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prelude.ls is a functionally oriented utility library. It is powerful and flexible. Almost all of its functions are curried. It is written in, and is the recommended base library for, LiveScript.
130 lines • 2.47 kB
JavaScript
// Generated by LiveScript 1.6.0
var max, min, negate, abs, signum, quot, rem, div, mod, recip, pi, tau, exp, sqrt, ln, pow, sin, tan, cos, asin, acos, atan, atan2, truncate, round, ceiling, floor, isItNaN, even, odd, gcd, lcm;
max = curry$(function(x$, y$){
return x$ > y$ ? x$ : y$;
});
min = curry$(function(x$, y$){
return x$ < y$ ? x$ : y$;
});
negate = function(x){
return -x;
};
abs = Math.abs;
signum = function(x){
if (x < 0) {
return -1;
} else if (x > 0) {
return 1;
} else {
return 0;
}
};
quot = curry$(function(x, y){
return ~~(x / y);
});
rem = curry$(function(x$, y$){
return x$ % y$;
});
div = curry$(function(x, y){
return Math.floor(x / y);
});
mod = curry$(function(x$, y$){
var ref$;
return ((x$) % (ref$ = y$) + ref$) % ref$;
});
recip = (function(it){
return 1 / it;
});
pi = Math.PI;
tau = pi * 2;
exp = Math.exp;
sqrt = Math.sqrt;
ln = Math.log;
pow = curry$(function(x$, y$){
return Math.pow(x$, y$);
});
sin = Math.sin;
tan = Math.tan;
cos = Math.cos;
asin = Math.asin;
acos = Math.acos;
atan = Math.atan;
atan2 = curry$(function(x, y){
return Math.atan2(x, y);
});
truncate = function(x){
return ~~x;
};
round = Math.round;
ceiling = Math.ceil;
floor = Math.floor;
isItNaN = function(x){
return x !== x;
};
even = function(x){
return x % 2 === 0;
};
odd = function(x){
return x % 2 !== 0;
};
gcd = curry$(function(x, y){
var z;
x = Math.abs(x);
y = Math.abs(y);
while (y !== 0) {
z = x % y;
x = y;
y = z;
}
return x;
});
lcm = curry$(function(x, y){
return Math.abs(Math.floor(x / gcd(x, y) * y));
});
module.exports = {
max: max,
min: min,
negate: negate,
abs: abs,
signum: signum,
quot: quot,
rem: rem,
div: div,
mod: mod,
recip: recip,
pi: pi,
tau: tau,
exp: exp,
sqrt: sqrt,
ln: ln,
pow: pow,
sin: sin,
tan: tan,
cos: cos,
acos: acos,
asin: asin,
atan: atan,
atan2: atan2,
truncate: truncate,
round: round,
ceiling: ceiling,
floor: floor,
isItNaN: isItNaN,
even: even,
odd: odd,
gcd: gcd,
lcm: lcm
};
function curry$(f, bound){
var context,
_curry = function(args) {
return f.length > 1 ? function(){
var params = args ? args.concat() : [];
context = bound ? context || this : this;
return params.push.apply(params, arguments) <
f.length && arguments.length ?
_curry.call(context, params) : f.apply(context, params);
} : f;
};
return _curry();
}