diff options
author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2002-06-05 09:54:09 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2002-06-05 09:54:09 +0000 |
commit | 7c3537f27dd9edd5c8ff3cfa4aa2748abd975f44 (patch) | |
tree | 647231dfe35094f595a140da388995c4223e9fc3 /math.c | |
parent | 605ac74db3dc94edba2799e18dd1b3a6f360dcb6 (diff) |
* 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
Diffstat (limited to 'math.c')
-rw-r--r-- | math.c | 37 |
1 files changed, 37 insertions, 0 deletions
@@ -57,6 +57,39 @@ math_tan(obj, x) } 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); |