mirror of
https://github.com/ziglang/zig.git
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ec95e00e28
stage2: change logic for detecting whether the main package is inside
the std package. Previously it relied on realpath() which is not portable.
This uses resolve() which is how imports already work.
* stage2: fix cleanup bug when creating Module
* flatten lib/std/special/* to lib/*
- this was motivated by making main_pkg_is_inside_std false for
compiler_rt & friends.
* rename "mini libc" to "universal libc"
53 lines
2.0 KiB
Zig
53 lines
2.0 KiB
Zig
const std = @import("std");
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const fmod = @import("fmod.zig");
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const testing = std.testing;
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fn test_fmodq(a: f128, b: f128, exp: f128) !void {
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const res = fmod.fmodq(a, b);
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try testing.expect(exp == res);
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}
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fn test_fmodq_nans() !void {
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try testing.expect(std.math.isNan(fmod.fmodq(1.0, std.math.nan(f128))));
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try testing.expect(std.math.isNan(fmod.fmodq(1.0, -std.math.nan(f128))));
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try testing.expect(std.math.isNan(fmod.fmodq(std.math.nan(f128), 1.0)));
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try testing.expect(std.math.isNan(fmod.fmodq(-std.math.nan(f128), 1.0)));
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}
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fn test_fmodq_infs() !void {
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try testing.expect(fmod.fmodq(1.0, std.math.inf(f128)) == 1.0);
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try testing.expect(fmod.fmodq(1.0, -std.math.inf(f128)) == 1.0);
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try testing.expect(std.math.isNan(fmod.fmodq(std.math.inf(f128), 1.0)));
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try testing.expect(std.math.isNan(fmod.fmodq(-std.math.inf(f128), 1.0)));
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}
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test "fmodq" {
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try test_fmodq(6.8, 4.0, 2.8);
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try test_fmodq(6.8, -4.0, 2.8);
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try test_fmodq(-6.8, 4.0, -2.8);
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try test_fmodq(-6.8, -4.0, -2.8);
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try test_fmodq(3.0, 2.0, 1.0);
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try test_fmodq(-5.0, 3.0, -2.0);
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try test_fmodq(3.0, 2.0, 1.0);
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try test_fmodq(1.0, 2.0, 1.0);
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try test_fmodq(0.0, 1.0, 0.0);
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try test_fmodq(-0.0, 1.0, -0.0);
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try test_fmodq(7046119.0, 5558362.0, 1487757.0);
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try test_fmodq(9010357.0, 1957236.0, 1181413.0);
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try test_fmodq(5192296858534827628530496329220095, 10.0, 5.0);
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try test_fmodq(5192296858534827628530496329220095, 922337203681230954775807, 220474884073715748246157);
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// Denormals
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const a1: f128 = 0xedcb34a235253948765432134674p-16494;
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const b1: f128 = 0x5d2e38791cfbc0737402da5a9518p-16494;
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const exp1: f128 = 0x336ec3affb2db8618e4e7d5e1c44p-16494;
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try test_fmodq(a1, b1, exp1);
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const a2: f128 = 0x0.7654_3210_fdec_ba98_7654_3210_fdecp-16382;
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const b2: f128 = 0x0.0012_fdac_bdef_1234_fdec_3222_1111p-16382;
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const exp2: f128 = 0x0.0001_aecd_9d66_4a6e_67b7_d7d0_a901p-16382;
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try test_fmodq(a2, b2, exp2);
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try test_fmodq_nans();
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try test_fmodq_infs();
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}
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