zig/test/cases/f32_passed_to_variadic_fn.zig

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Zig

extern fn printf(format: [*:0]const u8, ...) c_int;
pub fn main() void {
var a: f64 = 2.0;
var b: f32 = 10.0;
_ = printf("f64: %f\n", a);
_ = printf("f32: %f\n", b);
}
// run
// backend=llvm
// target=x86_64-linux-gnu
// link_libc=true
//
// f64: 2.000000
// f32: 10.000000
//