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testCosSpecial

cos.testCosSpecial

fn testCosSpecial(comptime T: type) !void

File

lib/compiler_rt/cos.zig:183

Code

fn testCosSpecial(comptime T: type) !void {
    const f = switch (T) {
        f32 => cosf,
        f64 => cos,
        f80 => cosx,
        f128 => cosq,
        else => @compileError("unimplemented"),
    };

    try expect(f(0.0) == 1.0);
    try expect(f(-0.0) == 1.0);
    try expect(math.isNan(f(math.inf(T))));
    try expect(math.isNan(f(-math.inf(T))));
    try expect(math.isNan(f(math.nan(T))));
}