public static RubyClass createFloatClass(Ruby runtime) {
RubyClass floatc =
runtime.defineClass(
"Float", runtime.getNumeric(), ObjectAllocator.NOT_ALLOCATABLE_ALLOCATOR);
runtime.setFloat(floatc);
floatc.setClassIndex(ClassIndex.FLOAT);
floatc.setReifiedClass(RubyFloat.class);
floatc.kindOf = new RubyModule.JavaClassKindOf(RubyFloat.class);
floatc.getSingletonClass().undefineMethod("new");
// Java Doubles are 64 bit long:
floatc.defineConstant("ROUNDS", RubyFixnum.newFixnum(runtime, ROUNDS));
floatc.defineConstant("RADIX", RubyFixnum.newFixnum(runtime, RADIX));
floatc.defineConstant("MANT_DIG", RubyFixnum.newFixnum(runtime, MANT_DIG));
floatc.defineConstant("DIG", RubyFixnum.newFixnum(runtime, DIG));
// Double.MAX_EXPONENT since Java 1.6
floatc.defineConstant("MIN_EXP", RubyFixnum.newFixnum(runtime, MIN_EXP));
// Double.MAX_EXPONENT since Java 1.6
floatc.defineConstant("MAX_EXP", RubyFixnum.newFixnum(runtime, MAX_EXP));
floatc.defineConstant("MIN_10_EXP", RubyFixnum.newFixnum(runtime, MIN_10_EXP));
floatc.defineConstant("MAX_10_EXP", RubyFixnum.newFixnum(runtime, MAX_10_EXP));
floatc.defineConstant("MIN", RubyFloat.newFloat(runtime, Double.MIN_VALUE));
floatc.defineConstant("MAX", RubyFloat.newFloat(runtime, Double.MAX_VALUE));
floatc.defineConstant("EPSILON", RubyFloat.newFloat(runtime, EPSILON));
floatc.defineConstant("INFINITY", RubyFloat.newFloat(runtime, INFINITY));
floatc.defineConstant("NAN", RubyFloat.newFloat(runtime, NAN));
floatc.defineAnnotatedMethods(RubyFloat.class);
return floatc;
}
public static RubyClass createIntegerClass(Ruby runtime) {
RubyClass integer =
runtime.defineClass(
"Integer", runtime.getNumeric(), ObjectAllocator.NOT_ALLOCATABLE_ALLOCATOR);
runtime.setInteger(integer);
integer.index = ClassIndex.INTEGER;
integer.setReifiedClass(RubyInteger.class);
integer.kindOf =
new RubyModule.KindOf() {
public boolean isKindOf(IRubyObject obj, RubyModule type) {
return obj instanceof RubyInteger;
}
};
integer.getSingletonClass().undefineMethod("new");
if (!runtime.is1_9()) {
integer.includeModule(runtime.getPrecision());
}
integer.defineAnnotatedMethods(RubyInteger.class);
return integer;
}
public static RubyNumeric newNumeric(Ruby runtime) {
return new RubyNumeric(runtime, runtime.getNumeric());
}