1const std = @import("std");
2const expect = std.testing.expect;
3
4/// Returns a * FLT_RADIX ^ exp.
5///
6/// Zig only supports binary base IEEE-754 floats. Hence FLT_RADIX=2, and this is an alias for ldexp.
7pub const scalbn = @import("ldexp.zig").ldexp;
8
9test scalbn {
10 // Verify we are using base 2.
11 try expect(scalbn(@as(f16, 1.5), 4) == 24.0);
12 try expect(scalbn(@as(f32, 1.5), 4) == 24.0);
13 try expect(scalbn(@as(f64, 1.5), 4) == 24.0);
14 try expect(scalbn(@as(f128, 1.5), 4) == 24.0);
15}