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* math.c (math_erf,math_erfc): new function. [ruby-list:37753]

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* eval.c (ruby_finalize): no longer need to turn off $DEBUG in the
  finalizer. (ruby-bugs-ja PR#473)


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3907 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz 2003-06-05 06:40:42 +00:00
parent bd368e9749
commit c004ecfa1e
7 changed files with 36 additions and 2 deletions
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19
math.c
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@ -271,6 +271,22 @@ math_hypot(obj, x, y)
return rb_float_new(hypot(RFLOAT(x)->value, RFLOAT(y)->value));
}
static VALUE
math_erf(obj, x)
VALUE obj, x;
{
Need_Float(x);
return rb_float_new(erf(RFLOAT(x)->value));
}
static VALUE
math_erfc(obj, x)
VALUE obj, x;
{
Need_Float(x);
return rb_float_new(erfc(RFLOAT(x)->value));
}
void
Init_Math()
{
@ -314,4 +330,7 @@ Init_Math()
rb_define_module_function(rb_mMath, "ldexp", math_ldexp, 2);
rb_define_module_function(rb_mMath, "hypot", math_hypot, 2);
rb_define_module_function(rb_mMath, "erf", math_erf, 1);
rb_define_module_function(rb_mMath, "erfc", math_erfc, 1);
}