Function toFloat [src]

Convert self to float type T.

Prototype

pub fn toFloat(self: Const, comptime T: type) T

Parameters

self: ConstT: type

Source

  pub fn toFloat(self: Const, comptime T: type) T {
    if (self.limbs.len == 0) return 0;

    const base = std.math.maxInt(std.math.big.Limb) + 1;
    var result: f128 = 0;
    var i: usize = self.limbs.len;
    while (i != 0) {
        i -= 1;
        const limb: f128 = @floatFromInt(self.limbs[i]);
        result = @mulAdd(f128, base, result, limb);
    }
    if (self.positive) {
        return @floatCast(result);
    } else {
        return @floatCast(-result);
    }
}  