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nghttp2/third-party/mruby/mrbgems/mruby-numeric-ext/mrbgem.rake

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+MRuby::Gem::Specification.new('mruby-numeric-ext') do |spec|
+  spec.license = 'MIT'
+  spec.author  = 'mruby developers'
+  spec.summary = 'Numeric class extension'
+end

nghttp2/third-party/mruby/mrbgems/mruby-numeric-ext/mrblib/numeric_ext.rb

@@ -0,0 +1,21 @@
+class Numeric
+  def zero?
+    self == 0
+  end
+
+  def nonzero?
+    if self == 0
+      nil
+    else
+      self
+    end
+  end
+
+  def positive?
+    self > 0
+  end
+
+  def negative?
+    self < 0
+  end
+end

nghttp2/third-party/mruby/mrbgems/mruby-numeric-ext/src/numeric_ext.c

@@ -0,0 +1,79 @@
+#include <limits.h>
+#include <mruby.h>
+#include <mruby/numeric.h>
+
+/*
+ *  call-seq:
+ *     int.allbits?(mask)  ->  true or false
+ *
+ *  Returns +true+ if all bits of <code>+int+ & +mask+</code> are 1.
+ */
+static mrb_value
+mrb_int_allbits(mrb_state *mrb, mrb_value self)
+{
+  mrb_int n, m;
+
+  mrb_get_args(mrb, "i", &m);
+  n = mrb_int(mrb, self);
+  return mrb_bool_value((n & m) == m);
+}
+
+/*
+ *  call-seq:
+ *     int.anybits?(mask)  ->  true or false
+ *
+ *  Returns +true+ if any bits of <code>+int+ & +mask+</code> are 1.
+ */
+static mrb_value
+mrb_int_anybits(mrb_state *mrb, mrb_value self)
+{
+  mrb_int n, m;
+
+  mrb_get_args(mrb, "i", &m);
+  n = mrb_int(mrb, self);
+  return mrb_bool_value((n & m) != 0);
+}
+
+/*
+ *  call-seq:
+ *     int.nobits?(mask)  ->  true or false
+ *
+ *  Returns +true+ if no bits of <code>+int+ & +mask+</code> are 1.
+ */
+static mrb_value
+mrb_int_nobits(mrb_state *mrb, mrb_value self)
+{
+  mrb_int n, m;
+
+  mrb_get_args(mrb, "i", &m);
+  n = mrb_int(mrb, self);
+  return mrb_bool_value((n & m) == 0);
+}
+
+void
+mrb_mruby_numeric_ext_gem_init(mrb_state* mrb)
+{
+  struct RClass *i = mrb_module_get(mrb, "Integral");
+
+  mrb_define_method(mrb, i, "allbits?", mrb_int_allbits, MRB_ARGS_REQ(1));
+  mrb_define_method(mrb, i, "anybits?", mrb_int_anybits, MRB_ARGS_REQ(1));
+  mrb_define_method(mrb, i, "nobits?", mrb_int_nobits, MRB_ARGS_REQ(1));
+
+#ifndef MRB_WITHOUT_FLOAT
+  mrb_define_const(mrb, mrb->float_class, "RADIX",        mrb_fixnum_value(MRB_FLT_RADIX));
+  mrb_define_const(mrb, mrb->float_class, "MANT_DIG",     mrb_fixnum_value(MRB_FLT_MANT_DIG));
+  mrb_define_const(mrb, mrb->float_class, "EPSILON",      mrb_float_value(mrb, MRB_FLT_EPSILON));
+  mrb_define_const(mrb, mrb->float_class, "DIG",          mrb_fixnum_value(MRB_FLT_DIG));
+  mrb_define_const(mrb, mrb->float_class, "MIN_EXP",      mrb_fixnum_value(MRB_FLT_MIN_EXP));
+  mrb_define_const(mrb, mrb->float_class, "MIN",          mrb_float_value(mrb, MRB_FLT_MIN));
+  mrb_define_const(mrb, mrb->float_class, "MIN_10_EXP",   mrb_fixnum_value(MRB_FLT_MIN_10_EXP));
+  mrb_define_const(mrb, mrb->float_class, "MAX_EXP",      mrb_fixnum_value(MRB_FLT_MAX_EXP));
+  mrb_define_const(mrb, mrb->float_class, "MAX",          mrb_float_value(mrb, MRB_FLT_MAX));
+  mrb_define_const(mrb, mrb->float_class, "MAX_10_EXP",   mrb_fixnum_value(MRB_FLT_MAX_10_EXP));
+#endif /* MRB_WITHOUT_FLOAT */
+}
+
+void
+mrb_mruby_numeric_ext_gem_final(mrb_state* mrb)
+{
+}

nghttp2/third-party/mruby/mrbgems/mruby-numeric-ext/test/numeric.rb

@@ -0,0 +1,21 @@
+##
+# Numeric(Ext) Test
+
+assert('Integer#div') do
+  assert_equal 52, 365.div(7)
+end
+
+assert('Float#div') do
+  skip unless Object.const_defined?(:Float)
+  assert_float 52, 365.2425.div(7)
+end
+
+assert('Integer#zero?') do
+  assert_equal true, 0.zero?
+  assert_equal false, 1.zero?
+end
+
+assert('Integer#nonzero?') do
+  assert_equal nil, 0.nonzero?
+  assert_equal 1000, 1000.nonzero?
+end