110 lines
3.0 KiB
Zig
110 lines
3.0 KiB
Zig
// Ported from:
|
|
//
|
|
// https://github.com/llvm/llvm-project/commit/d674d96bc56c0f377879d01c9d8dfdaaa7859cdb/compiler-rt/test/builtins/Unit/comparedf2_test.c
|
|
|
|
const std = @import("std");
|
|
const builtin = @import("builtin");
|
|
const is_test = builtin.is_test;
|
|
|
|
const __eqdf2 = @import("./cmpdf2.zig").__eqdf2;
|
|
const __ledf2 = @import("./cmpdf2.zig").__ledf2;
|
|
const __ltdf2 = @import("./cmpdf2.zig").__ltdf2;
|
|
const __nedf2 = @import("./cmpdf2.zig").__nedf2;
|
|
|
|
const __gedf2 = @import("./gedf2.zig").__gedf2;
|
|
const __gtdf2 = @import("./gedf2.zig").__gtdf2;
|
|
|
|
const __unorddf2 = @import("./unorddf2.zig").__unorddf2;
|
|
|
|
const TestVector = struct {
|
|
a: f64,
|
|
b: f64,
|
|
eqReference: c_int,
|
|
geReference: c_int,
|
|
gtReference: c_int,
|
|
leReference: c_int,
|
|
ltReference: c_int,
|
|
neReference: c_int,
|
|
unReference: c_int,
|
|
};
|
|
|
|
fn test__cmpdf2(vector: TestVector) bool {
|
|
if (__eqdf2(vector.a, vector.b) != vector.eqReference) {
|
|
return false;
|
|
}
|
|
if (__gedf2(vector.a, vector.b) != vector.geReference) {
|
|
return false;
|
|
}
|
|
if (__gtdf2(vector.a, vector.b) != vector.gtReference) {
|
|
return false;
|
|
}
|
|
if (__ledf2(vector.a, vector.b) != vector.leReference) {
|
|
return false;
|
|
}
|
|
if (__ltdf2(vector.a, vector.b) != vector.ltReference) {
|
|
return false;
|
|
}
|
|
if (__nedf2(vector.a, vector.b) != vector.neReference) {
|
|
return false;
|
|
}
|
|
if (__unorddf2(vector.a, vector.b) != vector.unReference) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
const arguments = [_]f64{
|
|
std.math.nan(f64),
|
|
-std.math.inf(f64),
|
|
-0x1.fffffffffffffp1023,
|
|
-0x1.0000000000001p0 - 0x1.0000000000000p0,
|
|
-0x1.fffffffffffffp-1,
|
|
-0x1.0000000000000p-1022,
|
|
-0x0.fffffffffffffp-1022,
|
|
-0x0.0000000000001p-1022,
|
|
-0.0,
|
|
0.0,
|
|
0x0.0000000000001p-1022,
|
|
0x0.fffffffffffffp-1022,
|
|
0x1.0000000000000p-1022,
|
|
0x1.fffffffffffffp-1,
|
|
0x1.0000000000000p0,
|
|
0x1.0000000000001p0,
|
|
0x1.fffffffffffffp1023,
|
|
std.math.inf(f64),
|
|
};
|
|
|
|
fn generateVector(comptime a: f64, comptime b: f64) TestVector {
|
|
const leResult = if (a < b) -1 else if (a == b) 0 else 1;
|
|
const geResult = if (a > b) 1 else if (a == b) 0 else -1;
|
|
const unResult = if (a != a or b != b) 1 else 0;
|
|
return TestVector{
|
|
.a = a,
|
|
.b = b,
|
|
.eqReference = leResult,
|
|
.geReference = geResult,
|
|
.gtReference = geResult,
|
|
.leReference = leResult,
|
|
.ltReference = leResult,
|
|
.neReference = leResult,
|
|
.unReference = unResult,
|
|
};
|
|
}
|
|
|
|
const test_vectors = init: {
|
|
@setEvalBranchQuota(10000);
|
|
var vectors: [arguments.len * arguments.len]TestVector = undefined;
|
|
for (arguments[0..], 0..) |arg_i, i| {
|
|
for (arguments[0..], 0..) |arg_j, j| {
|
|
vectors[(i * arguments.len) + j] = generateVector(arg_i, arg_j);
|
|
}
|
|
}
|
|
break :init vectors;
|
|
};
|
|
|
|
test "compare f64" {
|
|
for (test_vectors) |vector| {
|
|
try std.testing.expect(test__cmpdf2(vector));
|
|
}
|
|
}
|