110 lines
2.8 KiB
Zig
110 lines
2.8 KiB
Zig
// Ported from:
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//
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// https://github.com/llvm/llvm-project/commit/d674d96bc56c0f377879d01c9d8dfdaaa7859cdb/compiler-rt/test/builtins/Unit/comparesf2_test.c
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const std = @import("std");
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const builtin = @import("builtin");
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const is_test = builtin.is_test;
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const __eqsf2 = @import("./cmpsf2.zig").__eqsf2;
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const __lesf2 = @import("./cmpsf2.zig").__lesf2;
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const __ltsf2 = @import("./cmpsf2.zig").__ltsf2;
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const __nesf2 = @import("./cmpsf2.zig").__nesf2;
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const __gesf2 = @import("./gesf2.zig").__gesf2;
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const __gtsf2 = @import("./gesf2.zig").__gtsf2;
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const __unordsf2 = @import("./unordsf2.zig").__unordsf2;
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const TestVector = struct {
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a: f32,
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b: f32,
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eqReference: c_int,
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geReference: c_int,
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gtReference: c_int,
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leReference: c_int,
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ltReference: c_int,
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neReference: c_int,
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unReference: c_int,
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};
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fn test__cmpsf2(vector: TestVector) bool {
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if (__eqsf2(vector.a, vector.b) != vector.eqReference) {
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return false;
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}
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if (__gesf2(vector.a, vector.b) != vector.geReference) {
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return false;
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}
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if (__gtsf2(vector.a, vector.b) != vector.gtReference) {
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return false;
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}
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if (__lesf2(vector.a, vector.b) != vector.leReference) {
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return false;
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}
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if (__ltsf2(vector.a, vector.b) != vector.ltReference) {
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return false;
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}
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if (__nesf2(vector.a, vector.b) != vector.neReference) {
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return false;
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}
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if (__unordsf2(vector.a, vector.b) != vector.unReference) {
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return false;
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}
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return true;
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}
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const arguments = [_]f32{
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std.math.nan(f32),
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-std.math.inf(f32),
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-0x1.fffffep127,
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-0x1.000002p0 - 0x1.000000p0,
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-0x1.fffffep-1,
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-0x1.000000p-126,
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-0x0.fffffep-126,
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-0x0.000002p-126,
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-0.0,
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0.0,
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0x0.000002p-126,
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0x0.fffffep-126,
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0x1.000000p-126,
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0x1.fffffep-1,
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0x1.000000p0,
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0x1.000002p0,
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0x1.fffffep127,
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std.math.inf(f32),
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};
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fn generateVector(comptime a: f32, comptime b: f32) TestVector {
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const leResult = if (a < b) -1 else if (a == b) 0 else 1;
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const geResult = if (a > b) 1 else if (a == b) 0 else -1;
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const unResult = if (a != a or b != b) 1 else 0;
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return TestVector{
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.a = a,
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.b = b,
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.eqReference = leResult,
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.geReference = geResult,
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.gtReference = geResult,
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.leReference = leResult,
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.ltReference = leResult,
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.neReference = leResult,
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.unReference = unResult,
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};
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}
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const test_vectors = init: {
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@setEvalBranchQuota(10000);
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var vectors: [arguments.len * arguments.len]TestVector = undefined;
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for (arguments[0..]) |arg_i, i| {
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for (arguments[0..]) |arg_j, j| {
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vectors[(i * arguments.len) + j] = generateVector(arg_i, arg_j);
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}
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}
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break :init vectors;
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};
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test "compare f32" {
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for (test_vectors) |vector| {
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try std.testing.expect(test__cmpsf2(vector));
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}
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}
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