mirror of
https://github.com/ziglang/zig.git
synced 2025-12-07 14:53:08 +00:00
d29871977f
We already have a LICENSE file that covers the Zig Standard Library. We no longer need to remind everyone that the license is MIT in every single file. Previously this was introduced to clarify the situation for a fork of Zig that made Zig's LICENSE file harder to find, and replaced it with their own license that required annual payments to their company. However that fork now appears to be dead. So there is no need to reinforce the copyright notice in every single file.
153 lines
6.4 KiB
Zig
153 lines
6.4 KiB
Zig
const is_test = @import("builtin").is_test;
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const std = @import("std");
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const math = std.math;
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const testing = std.testing;
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const warn = std.debug.warn;
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const fixint = @import("fixint.zig").fixint;
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fn test__fixint(comptime fp_t: type, comptime fixint_t: type, a: fp_t, expected: fixint_t) !void {
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const x = fixint(fp_t, fixint_t, a);
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//warn("a={} x={}:{x} expected={}:{x})\n", .{a, x, x, expected, expected});
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try testing.expect(x == expected);
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}
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test "fixint.i1" {
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try test__fixint(f32, i1, -math.inf_f32, -1);
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try test__fixint(f32, i1, -math.f32_max, -1);
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try test__fixint(f32, i1, -2.0, -1);
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try test__fixint(f32, i1, -1.1, -1);
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try test__fixint(f32, i1, -1.0, -1);
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try test__fixint(f32, i1, -0.9, 0);
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try test__fixint(f32, i1, -0.1, 0);
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try test__fixint(f32, i1, -math.f32_min, 0);
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try test__fixint(f32, i1, -0.0, 0);
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try test__fixint(f32, i1, 0.0, 0);
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try test__fixint(f32, i1, math.f32_min, 0);
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try test__fixint(f32, i1, 0.1, 0);
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try test__fixint(f32, i1, 0.9, 0);
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try test__fixint(f32, i1, 1.0, 0);
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try test__fixint(f32, i1, 2.0, 0);
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try test__fixint(f32, i1, math.f32_max, 0);
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try test__fixint(f32, i1, math.inf_f32, 0);
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}
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test "fixint.i2" {
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try test__fixint(f32, i2, -math.inf_f32, -2);
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try test__fixint(f32, i2, -math.f32_max, -2);
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try test__fixint(f32, i2, -2.0, -2);
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try test__fixint(f32, i2, -1.9, -1);
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try test__fixint(f32, i2, -1.1, -1);
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try test__fixint(f32, i2, -1.0, -1);
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try test__fixint(f32, i2, -0.9, 0);
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try test__fixint(f32, i2, -0.1, 0);
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try test__fixint(f32, i2, -math.f32_min, 0);
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try test__fixint(f32, i2, -0.0, 0);
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try test__fixint(f32, i2, 0.0, 0);
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try test__fixint(f32, i2, math.f32_min, 0);
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try test__fixint(f32, i2, 0.1, 0);
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try test__fixint(f32, i2, 0.9, 0);
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try test__fixint(f32, i2, 1.0, 1);
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try test__fixint(f32, i2, 2.0, 1);
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try test__fixint(f32, i2, math.f32_max, 1);
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try test__fixint(f32, i2, math.inf_f32, 1);
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}
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test "fixint.i3" {
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try test__fixint(f32, i3, -math.inf_f32, -4);
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try test__fixint(f32, i3, -math.f32_max, -4);
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try test__fixint(f32, i3, -4.0, -4);
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try test__fixint(f32, i3, -3.0, -3);
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try test__fixint(f32, i3, -2.0, -2);
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try test__fixint(f32, i3, -1.9, -1);
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try test__fixint(f32, i3, -1.1, -1);
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try test__fixint(f32, i3, -1.0, -1);
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try test__fixint(f32, i3, -0.9, 0);
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try test__fixint(f32, i3, -0.1, 0);
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try test__fixint(f32, i3, -math.f32_min, 0);
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try test__fixint(f32, i3, -0.0, 0);
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try test__fixint(f32, i3, 0.0, 0);
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try test__fixint(f32, i3, math.f32_min, 0);
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try test__fixint(f32, i3, 0.1, 0);
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try test__fixint(f32, i3, 0.9, 0);
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try test__fixint(f32, i3, 1.0, 1);
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try test__fixint(f32, i3, 2.0, 2);
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try test__fixint(f32, i3, 3.0, 3);
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try test__fixint(f32, i3, 4.0, 3);
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try test__fixint(f32, i3, math.f32_max, 3);
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try test__fixint(f32, i3, math.inf_f32, 3);
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}
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test "fixint.i32" {
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try test__fixint(f64, i32, -math.inf_f64, math.minInt(i32));
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try test__fixint(f64, i32, -math.f64_max, math.minInt(i32));
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try test__fixint(f64, i32, @as(f64, math.minInt(i32)), math.minInt(i32));
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try test__fixint(f64, i32, @as(f64, math.minInt(i32)) + 1, math.minInt(i32) + 1);
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try test__fixint(f64, i32, -2.0, -2);
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try test__fixint(f64, i32, -1.9, -1);
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try test__fixint(f64, i32, -1.1, -1);
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try test__fixint(f64, i32, -1.0, -1);
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try test__fixint(f64, i32, -0.9, 0);
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try test__fixint(f64, i32, -0.1, 0);
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try test__fixint(f64, i32, -math.f32_min, 0);
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try test__fixint(f64, i32, -0.0, 0);
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try test__fixint(f64, i32, 0.0, 0);
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try test__fixint(f64, i32, math.f32_min, 0);
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try test__fixint(f64, i32, 0.1, 0);
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try test__fixint(f64, i32, 0.9, 0);
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try test__fixint(f64, i32, 1.0, 1);
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try test__fixint(f64, i32, @as(f64, math.maxInt(i32)) - 1, math.maxInt(i32) - 1);
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try test__fixint(f64, i32, @as(f64, math.maxInt(i32)), math.maxInt(i32));
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try test__fixint(f64, i32, math.f64_max, math.maxInt(i32));
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try test__fixint(f64, i32, math.inf_f64, math.maxInt(i32));
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}
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test "fixint.i64" {
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try test__fixint(f64, i64, -math.inf_f64, math.minInt(i64));
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try test__fixint(f64, i64, -math.f64_max, math.minInt(i64));
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try test__fixint(f64, i64, @as(f64, math.minInt(i64)), math.minInt(i64));
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try test__fixint(f64, i64, @as(f64, math.minInt(i64)) + 1, math.minInt(i64));
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try test__fixint(f64, i64, @as(f64, math.minInt(i64) / 2), math.minInt(i64) / 2);
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try test__fixint(f64, i64, -2.0, -2);
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try test__fixint(f64, i64, -1.9, -1);
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try test__fixint(f64, i64, -1.1, -1);
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try test__fixint(f64, i64, -1.0, -1);
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try test__fixint(f64, i64, -0.9, 0);
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try test__fixint(f64, i64, -0.1, 0);
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try test__fixint(f64, i64, -math.f32_min, 0);
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try test__fixint(f64, i64, -0.0, 0);
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try test__fixint(f64, i64, 0.0, 0);
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try test__fixint(f64, i64, math.f32_min, 0);
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try test__fixint(f64, i64, 0.1, 0);
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try test__fixint(f64, i64, 0.9, 0);
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try test__fixint(f64, i64, 1.0, 1);
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try test__fixint(f64, i64, @as(f64, math.maxInt(i64)) - 1, math.maxInt(i64));
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try test__fixint(f64, i64, @as(f64, math.maxInt(i64)), math.maxInt(i64));
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try test__fixint(f64, i64, math.f64_max, math.maxInt(i64));
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try test__fixint(f64, i64, math.inf_f64, math.maxInt(i64));
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}
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test "fixint.i128" {
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try test__fixint(f64, i128, -math.inf_f64, math.minInt(i128));
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try test__fixint(f64, i128, -math.f64_max, math.minInt(i128));
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try test__fixint(f64, i128, @as(f64, math.minInt(i128)), math.minInt(i128));
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try test__fixint(f64, i128, @as(f64, math.minInt(i128)) + 1, math.minInt(i128));
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try test__fixint(f64, i128, -2.0, -2);
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try test__fixint(f64, i128, -1.9, -1);
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try test__fixint(f64, i128, -1.1, -1);
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try test__fixint(f64, i128, -1.0, -1);
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try test__fixint(f64, i128, -0.9, 0);
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try test__fixint(f64, i128, -0.1, 0);
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try test__fixint(f64, i128, -math.f32_min, 0);
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try test__fixint(f64, i128, -0.0, 0);
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try test__fixint(f64, i128, 0.0, 0);
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try test__fixint(f64, i128, math.f32_min, 0);
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try test__fixint(f64, i128, 0.1, 0);
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try test__fixint(f64, i128, 0.9, 0);
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try test__fixint(f64, i128, 1.0, 1);
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try test__fixint(f64, i128, @as(f64, math.maxInt(i128)) - 1, math.maxInt(i128));
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try test__fixint(f64, i128, @as(f64, math.maxInt(i128)), math.maxInt(i128));
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try test__fixint(f64, i128, math.f64_max, math.maxInt(i128));
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try test__fixint(f64, i128, math.inf_f64, math.maxInt(i128));
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}
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