834 lines
23 KiB
Zig
834 lines
23 KiB
Zig
const std = @import("std");
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const builtin = @import("builtin");
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const print = std.debug.print;
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const expect = std.testing.expect;
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const has_i128 = builtin.cpu.arch != .x86 and !builtin.cpu.arch.isARM() and
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!builtin.cpu.arch.isMIPS() and !builtin.cpu.arch.isPPC();
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extern fn run_c_tests() void;
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export fn zig_panic() noreturn {
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@panic("zig_panic called from C");
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}
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test "C importing Zig ABI Tests" {
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run_c_tests();
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}
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extern fn c_u8(u8) void;
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extern fn c_u16(u16) void;
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extern fn c_u32(u32) void;
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extern fn c_u64(u64) void;
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extern fn c_struct_u128(U128) void;
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extern fn c_i8(i8) void;
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extern fn c_i16(i16) void;
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extern fn c_i32(i32) void;
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extern fn c_i64(i64) void;
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extern fn c_struct_i128(I128) void;
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// On windows x64, the first 4 are passed via registers, others on the stack.
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extern fn c_five_integers(i32, i32, i32, i32, i32) void;
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export fn zig_five_integers(a: i32, b: i32, c: i32, d: i32, e: i32) void {
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expect(a == 12) catch @panic("test failure: zig_five_integers 12");
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expect(b == 34) catch @panic("test failure: zig_five_integers 34");
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expect(c == 56) catch @panic("test failure: zig_five_integers 56");
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expect(d == 78) catch @panic("test failure: zig_five_integers 78");
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expect(e == 90) catch @panic("test failure: zig_five_integers 90");
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}
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test "C ABI integers" {
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c_u8(0xff);
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c_u16(0xfffe);
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c_u32(0xfffffffd);
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c_u64(0xfffffffffffffffc);
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if (has_i128) c_struct_u128(.{ .value = 0xfffffffffffffffc });
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c_i8(-1);
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c_i16(-2);
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c_i32(-3);
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c_i64(-4);
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if (has_i128) c_struct_i128(.{ .value = -6 });
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c_five_integers(12, 34, 56, 78, 90);
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}
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export fn zig_u8(x: u8) void {
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expect(x == 0xff) catch @panic("test failure: zig_u8");
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}
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export fn zig_u16(x: u16) void {
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expect(x == 0xfffe) catch @panic("test failure: zig_u16");
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}
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export fn zig_u32(x: u32) void {
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expect(x == 0xfffffffd) catch @panic("test failure: zig_u32");
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}
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export fn zig_u64(x: u64) void {
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expect(x == 0xfffffffffffffffc) catch @panic("test failure: zig_u64");
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}
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export fn zig_i8(x: i8) void {
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expect(x == -1) catch @panic("test failure: zig_i8");
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}
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export fn zig_i16(x: i16) void {
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expect(x == -2) catch @panic("test failure: zig_i16");
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}
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export fn zig_i32(x: i32) void {
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expect(x == -3) catch @panic("test failure: zig_i32");
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}
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export fn zig_i64(x: i64) void {
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expect(x == -4) catch @panic("test failure: zig_i64");
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}
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const I128 = extern struct {
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value: i128,
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};
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const U128 = extern struct {
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value: u128,
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};
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export fn zig_struct_i128(a: I128) void {
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expect(a.value == -6) catch @panic("test failure: zig_struct_i128");
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}
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export fn zig_struct_u128(a: U128) void {
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expect(a.value == 0xfffffffffffffffc) catch @panic("test failure: zig_struct_u128");
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}
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extern fn c_f32(f32) void;
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extern fn c_f64(f64) void;
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extern fn c_long_double(c_longdouble) void;
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// On windows x64, the first 4 are passed via registers, others on the stack.
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extern fn c_five_floats(f32, f32, f32, f32, f32) void;
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export fn zig_five_floats(a: f32, b: f32, c: f32, d: f32, e: f32) void {
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expect(a == 1.0) catch @panic("test failure: zig_five_floats 1.0");
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expect(b == 2.0) catch @panic("test failure: zig_five_floats 2.0");
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expect(c == 3.0) catch @panic("test failure: zig_five_floats 3.0");
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expect(d == 4.0) catch @panic("test failure: zig_five_floats 4.0");
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expect(e == 5.0) catch @panic("test failure: zig_five_floats 5.0");
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}
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test "C ABI floats" {
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c_f32(12.34);
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c_f64(56.78);
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c_five_floats(1.0, 2.0, 3.0, 4.0, 5.0);
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}
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test "C ABI long double" {
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if (comptime builtin.cpu.arch.isPPC()) return error.SkipZigTest;
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if (comptime builtin.cpu.arch.isPPC64()) return error.SkipZigTest;
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c_long_double(12.34);
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}
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export fn zig_f32(x: f32) void {
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expect(x == 12.34) catch @panic("test failure: zig_f32");
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}
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export fn zig_f64(x: f64) void {
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expect(x == 56.78) catch @panic("test failure: zig_f64");
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}
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export fn zig_longdouble(x: c_longdouble) void {
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if (!builtin.cpu.arch.isWasm()) return; // waiting for #1481
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expect(x == 12.34) catch @panic("test failure: zig_longdouble");
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}
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extern fn c_ptr(*anyopaque) void;
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test "C ABI pointer" {
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c_ptr(@intToPtr(*anyopaque, 0xdeadbeef));
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}
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export fn zig_ptr(x: *anyopaque) void {
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expect(@ptrToInt(x) == 0xdeadbeef) catch @panic("test failure: zig_ptr");
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}
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extern fn c_bool(bool) void;
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test "C ABI bool" {
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c_bool(true);
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}
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export fn zig_bool(x: bool) void {
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expect(x) catch @panic("test failure: zig_bool");
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}
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// TODO: Replace these with the correct types once we resolve
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// https://github.com/ziglang/zig/issues/8465
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//
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// For now, we have no way of referring to the _Complex C types from Zig,
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// so our ABI is unavoidably broken on some platforms (such as x86)
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const ComplexFloat = extern struct {
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real: f32,
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imag: f32,
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};
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const ComplexDouble = extern struct {
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real: f64,
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imag: f64,
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};
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// Note: These two functions match the signature of __mulsc3 and __muldc3 in compiler-rt (and libgcc)
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extern fn c_cmultf_comp(a_r: f32, a_i: f32, b_r: f32, b_i: f32) ComplexFloat;
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extern fn c_cmultd_comp(a_r: f64, a_i: f64, b_r: f64, b_i: f64) ComplexDouble;
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extern fn c_cmultf(a: ComplexFloat, b: ComplexFloat) ComplexFloat;
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extern fn c_cmultd(a: ComplexDouble, b: ComplexDouble) ComplexDouble;
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const complex_abi_compatible = builtin.cpu.arch != .x86 and !builtin.cpu.arch.isMIPS() and
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!builtin.cpu.arch.isARM() and !builtin.cpu.arch.isPPC() and !builtin.cpu.arch.isRISCV();
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test "C ABI complex float" {
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if (!complex_abi_compatible) return error.SkipZigTest;
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if (builtin.cpu.arch == .x86_64) return error.SkipZigTest; // See https://github.com/ziglang/zig/issues/8465
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const a = ComplexFloat{ .real = 1.25, .imag = 2.6 };
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const b = ComplexFloat{ .real = 11.3, .imag = -1.5 };
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const z = c_cmultf(a, b);
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try expect(z.real == 1.5);
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try expect(z.imag == 13.5);
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}
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test "C ABI complex float by component" {
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if (!complex_abi_compatible) return error.SkipZigTest;
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const a = ComplexFloat{ .real = 1.25, .imag = 2.6 };
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const b = ComplexFloat{ .real = 11.3, .imag = -1.5 };
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const z2 = c_cmultf_comp(a.real, a.imag, b.real, b.imag);
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try expect(z2.real == 1.5);
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try expect(z2.imag == 13.5);
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}
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test "C ABI complex double" {
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if (!complex_abi_compatible) return error.SkipZigTest;
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const a = ComplexDouble{ .real = 1.25, .imag = 2.6 };
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const b = ComplexDouble{ .real = 11.3, .imag = -1.5 };
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const z = c_cmultd(a, b);
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try expect(z.real == 1.5);
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try expect(z.imag == 13.5);
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}
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test "C ABI complex double by component" {
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if (!complex_abi_compatible) return error.SkipZigTest;
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const a = ComplexDouble{ .real = 1.25, .imag = 2.6 };
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const b = ComplexDouble{ .real = 11.3, .imag = -1.5 };
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const z = c_cmultd_comp(a.real, a.imag, b.real, b.imag);
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try expect(z.real == 1.5);
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try expect(z.imag == 13.5);
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}
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export fn zig_cmultf(a: ComplexFloat, b: ComplexFloat) ComplexFloat {
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expect(a.real == 1.25) catch @panic("test failure: zig_cmultf 1");
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expect(a.imag == 2.6) catch @panic("test failure: zig_cmultf 2");
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expect(b.real == 11.3) catch @panic("test failure: zig_cmultf 3");
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expect(b.imag == -1.5) catch @panic("test failure: zig_cmultf 4");
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return .{ .real = 1.5, .imag = 13.5 };
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}
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export fn zig_cmultd(a: ComplexDouble, b: ComplexDouble) ComplexDouble {
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expect(a.real == 1.25) catch @panic("test failure: zig_cmultd 1");
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expect(a.imag == 2.6) catch @panic("test failure: zig_cmultd 2");
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expect(b.real == 11.3) catch @panic("test failure: zig_cmultd 3");
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expect(b.imag == -1.5) catch @panic("test failure: zig_cmultd 4");
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return .{ .real = 1.5, .imag = 13.5 };
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}
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export fn zig_cmultf_comp(a_r: f32, a_i: f32, b_r: f32, b_i: f32) ComplexFloat {
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expect(a_r == 1.25) catch @panic("test failure: zig_cmultf_comp 1");
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expect(a_i == 2.6) catch @panic("test failure: zig_cmultf_comp 2");
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expect(b_r == 11.3) catch @panic("test failure: zig_cmultf_comp 3");
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expect(b_i == -1.5) catch @panic("test failure: zig_cmultf_comp 4");
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return .{ .real = 1.5, .imag = 13.5 };
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}
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export fn zig_cmultd_comp(a_r: f64, a_i: f64, b_r: f64, b_i: f64) ComplexDouble {
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expect(a_r == 1.25) catch @panic("test failure: zig_cmultd_comp 1");
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expect(a_i == 2.6) catch @panic("test failure: zig_cmultd_comp 2");
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expect(b_r == 11.3) catch @panic("test failure: zig_cmultd_comp 3");
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expect(b_i == -1.5) catch @panic("test failure: zig_cmultd_comp 4");
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return .{ .real = 1.5, .imag = 13.5 };
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}
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const BigStruct = extern struct {
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a: u64,
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b: u64,
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c: u64,
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d: u64,
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e: u8,
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};
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extern fn c_big_struct(BigStruct) void;
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test "C ABI big struct" {
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if (comptime builtin.cpu.arch.isMIPS()) return error.SkipZigTest;
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if (comptime builtin.cpu.arch.isPPC()) return error.SkipZigTest;
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var s = BigStruct{
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.a = 1,
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.b = 2,
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.c = 3,
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.d = 4,
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.e = 5,
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};
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c_big_struct(s);
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}
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export fn zig_big_struct(x: BigStruct) void {
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expect(x.a == 1) catch @panic("test failure: zig_big_struct 1");
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expect(x.b == 2) catch @panic("test failure: zig_big_struct 2");
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expect(x.c == 3) catch @panic("test failure: zig_big_struct 3");
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expect(x.d == 4) catch @panic("test failure: zig_big_struct 4");
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expect(x.e == 5) catch @panic("test failure: zig_big_struct 5");
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}
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const BigUnion = extern union {
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a: BigStruct,
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};
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extern fn c_big_union(BigUnion) void;
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test "C ABI big union" {
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if (comptime builtin.cpu.arch.isPPC()) return error.SkipZigTest;
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var x = BigUnion{
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.a = BigStruct{
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.a = 1,
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.b = 2,
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.c = 3,
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.d = 4,
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.e = 5,
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},
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};
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c_big_union(x);
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}
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export fn zig_big_union(x: BigUnion) void {
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expect(x.a.a == 1) catch @panic("test failure: zig_big_union a");
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expect(x.a.b == 2) catch @panic("test failure: zig_big_union b");
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expect(x.a.c == 3) catch @panic("test failure: zig_big_union c");
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expect(x.a.d == 4) catch @panic("test failure: zig_big_union d");
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expect(x.a.e == 5) catch @panic("test failure: zig_big_union e");
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}
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const MedStructMixed = extern struct {
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a: u32,
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b: f32,
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c: f32,
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d: u32 = 0,
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};
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extern fn c_med_struct_mixed(MedStructMixed) void;
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extern fn c_ret_med_struct_mixed() MedStructMixed;
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test "C ABI medium struct of ints and floats" {
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if (builtin.cpu.arch == .x86) return error.SkipZigTest;
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if (comptime builtin.cpu.arch.isMIPS()) return error.SkipZigTest;
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if (comptime builtin.cpu.arch.isPPC()) return error.SkipZigTest;
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if (comptime builtin.cpu.arch.isPPC64()) return error.SkipZigTest;
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var s = MedStructMixed{
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.a = 1234,
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.b = 100.0,
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.c = 1337.0,
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};
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c_med_struct_mixed(s);
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var s2 = c_ret_med_struct_mixed();
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try expect(s2.a == 1234);
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try expect(s2.b == 100.0);
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try expect(s2.c == 1337.0);
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}
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export fn zig_med_struct_mixed(x: MedStructMixed) void {
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expect(x.a == 1234) catch @panic("test failure");
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expect(x.b == 100.0) catch @panic("test failure");
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expect(x.c == 1337.0) catch @panic("test failure");
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}
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const SmallStructInts = extern struct {
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a: u8,
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b: u8,
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c: u8,
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d: u8,
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};
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extern fn c_small_struct_ints(SmallStructInts) void;
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extern fn c_ret_small_struct_ints() SmallStructInts;
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test "C ABI small struct of ints" {
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if (builtin.cpu.arch == .x86) return error.SkipZigTest;
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if (comptime builtin.cpu.arch.isMIPS()) return error.SkipZigTest;
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if (comptime builtin.cpu.arch.isPPC()) return error.SkipZigTest;
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if (comptime builtin.cpu.arch.isPPC64()) return error.SkipZigTest;
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var s = SmallStructInts{
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.a = 1,
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.b = 2,
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.c = 3,
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.d = 4,
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};
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c_small_struct_ints(s);
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var s2 = c_ret_small_struct_ints();
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try expect(s2.a == 1);
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try expect(s2.b == 2);
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try expect(s2.c == 3);
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try expect(s2.d == 4);
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}
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export fn zig_small_struct_ints(x: SmallStructInts) void {
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expect(x.a == 1) catch @panic("test failure");
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expect(x.b == 2) catch @panic("test failure");
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expect(x.c == 3) catch @panic("test failure");
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expect(x.d == 4) catch @panic("test failure");
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}
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|
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const SmallPackedStruct = packed struct {
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a: u2,
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b: u2,
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c: u2,
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d: u2,
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};
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extern fn c_small_packed_struct(SmallPackedStruct) void;
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extern fn c_ret_small_packed_struct() SmallPackedStruct;
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export fn zig_small_packed_struct(x: SmallPackedStruct) void {
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expect(x.a == 0) catch @panic("test failure");
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expect(x.b == 1) catch @panic("test failure");
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expect(x.c == 2) catch @panic("test failure");
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expect(x.d == 3) catch @panic("test failure");
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}
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|
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test "C ABI small packed struct" {
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|
var s = SmallPackedStruct{ .a = 0, .b = 1, .c = 2, .d = 3 };
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c_small_packed_struct(s);
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var s2 = c_ret_small_packed_struct();
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try expect(s2.a == 0);
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try expect(s2.b == 1);
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try expect(s2.c == 2);
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try expect(s2.d == 3);
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}
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const BigPackedStruct = packed struct {
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a: u64,
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b: u64,
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};
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extern fn c_big_packed_struct(BigPackedStruct) void;
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extern fn c_ret_big_packed_struct() BigPackedStruct;
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export fn zig_big_packed_struct(x: BigPackedStruct) void {
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expect(x.a == 1) catch @panic("test failure");
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expect(x.b == 2) catch @panic("test failure");
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|
}
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|
|
|
test "C ABI big packed struct" {
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|
if (!has_i128) return error.SkipZigTest;
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|
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var s = BigPackedStruct{ .a = 1, .b = 2 };
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c_big_packed_struct(s);
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var s2 = c_ret_big_packed_struct();
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try expect(s2.a == 1);
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try expect(s2.b == 2);
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}
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|
const SplitStructInt = extern struct {
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a: u64,
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|
b: u8,
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c: u32,
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};
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extern fn c_split_struct_ints(SplitStructInt) void;
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|
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test "C ABI split struct of ints" {
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if (builtin.cpu.arch == .x86) return error.SkipZigTest;
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|
if (comptime builtin.cpu.arch.isMIPS()) return error.SkipZigTest;
|
|
if (comptime builtin.cpu.arch.isPPC()) return error.SkipZigTest;
|
|
if (comptime builtin.cpu.arch.isPPC64()) return error.SkipZigTest;
|
|
|
|
var s = SplitStructInt{
|
|
.a = 1234,
|
|
.b = 100,
|
|
.c = 1337,
|
|
};
|
|
c_split_struct_ints(s);
|
|
}
|
|
|
|
export fn zig_split_struct_ints(x: SplitStructInt) void {
|
|
expect(x.a == 1234) catch @panic("test failure");
|
|
expect(x.b == 100) catch @panic("test failure");
|
|
expect(x.c == 1337) catch @panic("test failure");
|
|
}
|
|
|
|
const SplitStructMixed = extern struct {
|
|
a: u64,
|
|
b: u8,
|
|
c: f32,
|
|
};
|
|
extern fn c_split_struct_mixed(SplitStructMixed) void;
|
|
extern fn c_ret_split_struct_mixed() SplitStructMixed;
|
|
|
|
test "C ABI split struct of ints and floats" {
|
|
if (builtin.cpu.arch == .x86) return error.SkipZigTest;
|
|
if (comptime builtin.cpu.arch.isMIPS()) return error.SkipZigTest;
|
|
if (comptime builtin.cpu.arch.isPPC()) return error.SkipZigTest;
|
|
if (comptime builtin.cpu.arch.isPPC64()) return error.SkipZigTest;
|
|
|
|
var s = SplitStructMixed{
|
|
.a = 1234,
|
|
.b = 100,
|
|
.c = 1337.0,
|
|
};
|
|
c_split_struct_mixed(s);
|
|
var s2 = c_ret_split_struct_mixed();
|
|
try expect(s2.a == 1234);
|
|
try expect(s2.b == 100);
|
|
try expect(s2.c == 1337.0);
|
|
}
|
|
|
|
export fn zig_split_struct_mixed(x: SplitStructMixed) void {
|
|
expect(x.a == 1234) catch @panic("test failure");
|
|
expect(x.b == 100) catch @panic("test failure");
|
|
expect(x.c == 1337.0) catch @panic("test failure");
|
|
}
|
|
|
|
extern fn c_big_struct_both(BigStruct) BigStruct;
|
|
|
|
extern fn c_multiple_struct_ints(Rect, Rect) void;
|
|
extern fn c_multiple_struct_floats(FloatRect, FloatRect) void;
|
|
|
|
test "C ABI sret and byval together" {
|
|
if (comptime builtin.cpu.arch.isMIPS()) return error.SkipZigTest;
|
|
if (comptime builtin.cpu.arch.isPPC()) return error.SkipZigTest;
|
|
|
|
var s = BigStruct{
|
|
.a = 1,
|
|
.b = 2,
|
|
.c = 3,
|
|
.d = 4,
|
|
.e = 5,
|
|
};
|
|
var y = c_big_struct_both(s);
|
|
try expect(y.a == 10);
|
|
try expect(y.b == 11);
|
|
try expect(y.c == 12);
|
|
try expect(y.d == 13);
|
|
try expect(y.e == 14);
|
|
}
|
|
|
|
export fn zig_big_struct_both(x: BigStruct) BigStruct {
|
|
expect(x.a == 30) catch @panic("test failure");
|
|
expect(x.b == 31) catch @panic("test failure");
|
|
expect(x.c == 32) catch @panic("test failure");
|
|
expect(x.d == 33) catch @panic("test failure");
|
|
expect(x.e == 34) catch @panic("test failure");
|
|
var s = BigStruct{
|
|
.a = 20,
|
|
.b = 21,
|
|
.c = 22,
|
|
.d = 23,
|
|
.e = 24,
|
|
};
|
|
return s;
|
|
}
|
|
|
|
const Vector3 = extern struct {
|
|
x: f32,
|
|
y: f32,
|
|
z: f32,
|
|
};
|
|
extern fn c_small_struct_floats(Vector3) void;
|
|
extern fn c_small_struct_floats_extra(Vector3, ?[*]const u8) void;
|
|
|
|
const Vector5 = extern struct {
|
|
x: f32,
|
|
y: f32,
|
|
z: f32,
|
|
w: f32,
|
|
q: f32,
|
|
};
|
|
extern fn c_big_struct_floats(Vector5) void;
|
|
|
|
test "C ABI structs of floats as parameter" {
|
|
if (comptime builtin.cpu.arch.isMIPS()) return error.SkipZigTest;
|
|
if (comptime builtin.cpu.arch.isPPC()) return error.SkipZigTest;
|
|
if (comptime builtin.cpu.arch.isPPC64()) return error.SkipZigTest;
|
|
|
|
var v3 = Vector3{
|
|
.x = 3.0,
|
|
.y = 6.0,
|
|
.z = 12.0,
|
|
};
|
|
c_small_struct_floats(v3);
|
|
c_small_struct_floats_extra(v3, "hello");
|
|
|
|
var v5 = Vector5{
|
|
.x = 76.0,
|
|
.y = -1.0,
|
|
.z = -12.0,
|
|
.w = 69.0,
|
|
.q = 55,
|
|
};
|
|
c_big_struct_floats(v5);
|
|
}
|
|
|
|
const Rect = extern struct {
|
|
left: u32,
|
|
right: u32,
|
|
top: u32,
|
|
bottom: u32,
|
|
};
|
|
|
|
export fn zig_multiple_struct_ints(x: Rect, y: Rect) void {
|
|
expect(x.left == 1) catch @panic("test failure");
|
|
expect(x.right == 21) catch @panic("test failure");
|
|
expect(x.top == 16) catch @panic("test failure");
|
|
expect(x.bottom == 4) catch @panic("test failure");
|
|
expect(y.left == 178) catch @panic("test failure");
|
|
expect(y.right == 189) catch @panic("test failure");
|
|
expect(y.top == 21) catch @panic("test failure");
|
|
expect(y.bottom == 15) catch @panic("test failure");
|
|
}
|
|
|
|
test "C ABI structs of ints as multiple parameters" {
|
|
if (comptime builtin.cpu.arch.isPPC()) return error.SkipZigTest;
|
|
if (comptime builtin.cpu.arch.isPPC64()) return error.SkipZigTest;
|
|
|
|
var r1 = Rect{
|
|
.left = 1,
|
|
.right = 21,
|
|
.top = 16,
|
|
.bottom = 4,
|
|
};
|
|
var r2 = Rect{
|
|
.left = 178,
|
|
.right = 189,
|
|
.top = 21,
|
|
.bottom = 15,
|
|
};
|
|
c_multiple_struct_ints(r1, r2);
|
|
}
|
|
|
|
const FloatRect = extern struct {
|
|
left: f32,
|
|
right: f32,
|
|
top: f32,
|
|
bottom: f32,
|
|
};
|
|
|
|
export fn zig_multiple_struct_floats(x: FloatRect, y: FloatRect) void {
|
|
expect(x.left == 1) catch @panic("test failure");
|
|
expect(x.right == 21) catch @panic("test failure");
|
|
expect(x.top == 16) catch @panic("test failure");
|
|
expect(x.bottom == 4) catch @panic("test failure");
|
|
expect(y.left == 178) catch @panic("test failure");
|
|
expect(y.right == 189) catch @panic("test failure");
|
|
expect(y.top == 21) catch @panic("test failure");
|
|
expect(y.bottom == 15) catch @panic("test failure");
|
|
}
|
|
|
|
test "C ABI structs of floats as multiple parameters" {
|
|
if (comptime builtin.cpu.arch.isMIPS()) return error.SkipZigTest;
|
|
if (comptime builtin.cpu.arch.isPPC()) return error.SkipZigTest;
|
|
|
|
var r1 = FloatRect{
|
|
.left = 1,
|
|
.right = 21,
|
|
.top = 16,
|
|
.bottom = 4,
|
|
};
|
|
var r2 = FloatRect{
|
|
.left = 178,
|
|
.right = 189,
|
|
.top = 21,
|
|
.bottom = 15,
|
|
};
|
|
c_multiple_struct_floats(r1, r2);
|
|
}
|
|
|
|
export fn zig_ret_bool() bool {
|
|
return true;
|
|
}
|
|
export fn zig_ret_u8() u8 {
|
|
return 0xff;
|
|
}
|
|
export fn zig_ret_u16() u16 {
|
|
return 0xffff;
|
|
}
|
|
export fn zig_ret_u32() u32 {
|
|
return 0xffffffff;
|
|
}
|
|
export fn zig_ret_u64() u64 {
|
|
return 0xffffffffffffffff;
|
|
}
|
|
export fn zig_ret_i8() i8 {
|
|
return -1;
|
|
}
|
|
export fn zig_ret_i16() i16 {
|
|
return -1;
|
|
}
|
|
export fn zig_ret_i32() i32 {
|
|
return -1;
|
|
}
|
|
export fn zig_ret_i64() i64 {
|
|
return -1;
|
|
}
|
|
|
|
export fn zig_ret_small_struct_ints() SmallStructInts {
|
|
return .{
|
|
.a = 1,
|
|
.b = 2,
|
|
.c = 3,
|
|
.d = 4,
|
|
};
|
|
}
|
|
|
|
export fn zig_ret_med_struct_mixed() MedStructMixed {
|
|
return .{
|
|
.a = 1234,
|
|
.b = 100.0,
|
|
.c = 1337.0,
|
|
};
|
|
}
|
|
|
|
export fn zig_ret_split_struct_mixed() SplitStructMixed {
|
|
return .{
|
|
.a = 1234,
|
|
.b = 100,
|
|
.c = 1337.0,
|
|
};
|
|
}
|
|
|
|
extern fn c_ret_bool() bool;
|
|
extern fn c_ret_u8() u8;
|
|
extern fn c_ret_u16() u16;
|
|
extern fn c_ret_u32() u32;
|
|
extern fn c_ret_u64() u64;
|
|
extern fn c_ret_i8() i8;
|
|
extern fn c_ret_i16() i16;
|
|
extern fn c_ret_i32() i32;
|
|
extern fn c_ret_i64() i64;
|
|
|
|
test "C ABI integer return types" {
|
|
try expect(c_ret_bool() == true);
|
|
|
|
try expect(c_ret_u8() == 0xff);
|
|
try expect(c_ret_u16() == 0xffff);
|
|
try expect(c_ret_u32() == 0xffffffff);
|
|
try expect(c_ret_u64() == 0xffffffffffffffff);
|
|
|
|
try expect(c_ret_i8() == -1);
|
|
try expect(c_ret_i16() == -1);
|
|
try expect(c_ret_i32() == -1);
|
|
try expect(c_ret_i64() == -1);
|
|
}
|
|
|
|
const StructWithArray = extern struct {
|
|
a: i32,
|
|
padding: [4]u8,
|
|
b: i64,
|
|
};
|
|
extern fn c_struct_with_array(StructWithArray) void;
|
|
extern fn c_ret_struct_with_array() StructWithArray;
|
|
|
|
test "Struct with array as padding." {
|
|
if (builtin.cpu.arch == .x86) return error.SkipZigTest;
|
|
if (comptime builtin.cpu.arch.isMIPS()) return error.SkipZigTest;
|
|
if (comptime builtin.cpu.arch.isPPC()) return error.SkipZigTest;
|
|
if (comptime builtin.cpu.arch.isPPC64()) return error.SkipZigTest;
|
|
|
|
c_struct_with_array(.{ .a = 1, .padding = undefined, .b = 2 });
|
|
|
|
var x = c_ret_struct_with_array();
|
|
try expect(x.a == 4);
|
|
try expect(x.b == 155);
|
|
}
|
|
|
|
const FloatArrayStruct = extern struct {
|
|
origin: extern struct {
|
|
x: f64,
|
|
y: f64,
|
|
},
|
|
size: extern struct {
|
|
width: f64,
|
|
height: f64,
|
|
},
|
|
};
|
|
|
|
extern fn c_float_array_struct(FloatArrayStruct) void;
|
|
extern fn c_ret_float_array_struct() FloatArrayStruct;
|
|
|
|
test "Float array like struct" {
|
|
if (comptime builtin.cpu.arch.isMIPS()) return error.SkipZigTest;
|
|
if (comptime builtin.cpu.arch.isPPC()) return error.SkipZigTest;
|
|
|
|
c_float_array_struct(.{
|
|
.origin = .{
|
|
.x = 5,
|
|
.y = 6,
|
|
},
|
|
.size = .{
|
|
.width = 7,
|
|
.height = 8,
|
|
},
|
|
});
|
|
|
|
var x = c_ret_float_array_struct();
|
|
try expect(x.origin.x == 1);
|
|
try expect(x.origin.y == 2);
|
|
try expect(x.size.width == 3);
|
|
try expect(x.size.height == 4);
|
|
}
|
|
|
|
const SmallVec = @Vector(2, u32);
|
|
|
|
extern fn c_small_vec(SmallVec) void;
|
|
extern fn c_ret_small_vec() SmallVec;
|
|
|
|
test "small simd vector" {
|
|
if (builtin.cpu.arch == .x86) return error.SkipZigTest;
|
|
if (comptime builtin.cpu.arch.isPPC64()) return error.SkipZigTest;
|
|
|
|
c_small_vec(.{ 1, 2 });
|
|
|
|
var x = c_ret_small_vec();
|
|
try expect(x[0] == 3);
|
|
try expect(x[1] == 4);
|
|
}
|
|
|
|
const BigVec = @Vector(8, usize);
|
|
|
|
extern fn c_big_vec(BigVec) void;
|
|
extern fn c_ret_big_vec() BigVec;
|
|
|
|
test "big simd vector" {
|
|
if (comptime builtin.cpu.arch.isPPC64()) return error.SkipZigTest;
|
|
|
|
c_big_vec(.{ 1, 2, 3, 4, 5, 6, 7, 8 });
|
|
|
|
var x = c_ret_big_vec();
|
|
try expect(x[0] == 9);
|
|
try expect(x[1] == 10);
|
|
try expect(x[2] == 11);
|
|
try expect(x[3] == 12);
|
|
try expect(x[4] == 13);
|
|
try expect(x[5] == 14);
|
|
try expect(x[6] == 15);
|
|
try expect(x[7] == 16);
|
|
}
|
|
|
|
const Vector2 = extern struct { x: f32, y: f32 };
|
|
|
|
extern fn c_ptr_size_float_struct(Vector2) void;
|
|
extern fn c_ret_ptr_size_float_struct() Vector2;
|
|
|
|
test "C ABI pointer sized float struct" {
|
|
if (builtin.cpu.arch == .x86) return error.SkipZigTest;
|
|
if (comptime builtin.cpu.arch.isMIPS()) return error.SkipZigTest;
|
|
if (comptime builtin.cpu.arch.isRISCV()) return error.SkipZigTest;
|
|
if (comptime builtin.cpu.arch.isPPC()) return error.SkipZigTest;
|
|
|
|
c_ptr_size_float_struct(.{ .x = 1, .y = 2 });
|
|
|
|
var x = c_ret_ptr_size_float_struct();
|
|
try expect(x.x == 3);
|
|
try expect(x.y == 4);
|
|
}
|