==== tests/cases/compiler/enumInitializersWithExponents.ts (2 errors) ====
    // Must be integer literals.
    declare enum E {
        a = 1e3, // ok
        b = 1e25, // ok
        c = 1e-3, // error
        ~
!!! Ambient enum elements can only have integer literal initializers.
        d = 1e-9, // error
        ~
!!! Ambient enum elements can only have integer literal initializers.
        e = 1e0, // ok
        f = 1e+25 // ok
    }