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* math.c (Init_Math): backport asin, acos, atan.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_6@2525 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz 2002-06-05 09:54:09 +00:00
parent 605ac74db3
commit 7c3537f27d
3 changed files with 44 additions and 3 deletions

37
math.c
View file

@ -56,6 +56,39 @@ math_tan(obj, x)
return rb_float_new(tan(RFLOAT(x)->value));
}
static VALUE
math_acos(obj, x)
VALUE obj, x;
{
Need_Float(x);
/*
if (RFLOAT(x)->value < -1.0 || RFLOAT(x)->value > 1.0)
rb_raise(rb_eArgError, "Out of range (-1..1)");
*/
return rb_float_new(acos(RFLOAT(x)->value));
}
static VALUE
math_asin(obj, x)
VALUE obj, x;
{
Need_Float(x);
/*
if (RFLOAT(x)->value < -1.0 || RFLOAT(x)->value > 1.0)
rb_raise(rb_eArgError, "Out of range (-1..1)");
*/
return rb_float_new(asin(RFLOAT(x)->value));
}
static VALUE
math_atan(obj, x)
VALUE obj, x;
{
Need_Float(x);
return rb_float_new(atan(RFLOAT(x)->value));
}
static VALUE
math_exp(obj, x)
VALUE obj, x;
@ -140,6 +173,10 @@ Init_Math()
rb_define_module_function(rb_mMath, "sin", math_sin, 1);
rb_define_module_function(rb_mMath, "tan", math_tan, 1);
rb_define_module_function(rb_mMath, "acos", math_acos, 1);
rb_define_module_function(rb_mMath, "asin", math_asin, 1);
rb_define_module_function(rb_mMath, "atan", math_atan, 1);
rb_define_module_function(rb_mMath, "exp", math_exp, 1);
rb_define_module_function(rb_mMath, "log", math_log, 1);
rb_define_module_function(rb_mMath, "log10", math_log10, 1);