diff options
Diffstat (limited to 'math.c')
| -rw-r--r-- | math.c | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/math.c b/math.c deleted file mode 100644 index 4af3cef96e..0000000000 --- a/math.c +++ /dev/null @@ -1,224 +0,0 @@ -/********************************************************************** - - math.c - - - $Author$ - $Date$ - created at: Tue Jan 25 14:12:56 JST 1994 - - Copyright (C) 1993-2001 Yukihiro Matsumoto - -**********************************************************************/ - -#include "ruby.h" -#include <math.h> - -VALUE rb_mMath; - -#define Need_Float(x) (x) = rb_Float(x) -#define Need_Float2(x,y) {\ - Need_Float(x);\ - Need_Float(y);\ -} - -static VALUE -math_atan2(obj, y, x) - VALUE obj, x, y; -{ - Need_Float2(y, x); - return rb_float_new(atan2(RFLOAT(y)->value, RFLOAT(x)->value)); -} - -static VALUE -math_cos(obj, x) - VALUE obj, x; -{ - Need_Float(x); - - return rb_float_new(cos(RFLOAT(x)->value)); -} - -static VALUE -math_sin(obj, x) - VALUE obj, x; -{ - Need_Float(x); - - return rb_float_new(sin(RFLOAT(x)->value)); -} - -static VALUE -math_tan(obj, x) - VALUE obj, x; -{ - Need_Float(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_cosh(obj, x) - VALUE obj, x; -{ - Need_Float(x); - return rb_float_new(cosh(RFLOAT(x)->value)); -} - -static VALUE -math_sinh(obj, x) - VALUE obj, x; -{ - Need_Float(x); - return rb_float_new(sinh(RFLOAT(x)->value)); -} - -static VALUE -math_tanh(obj, x) - VALUE obj, x; -{ - Need_Float(x); - return rb_float_new(tanh(RFLOAT(x)->value)); -} - -static VALUE -math_exp(obj, x) - VALUE obj, x; -{ - Need_Float(x); - return rb_float_new(exp(RFLOAT(x)->value)); -} - -#if defined __CYGWIN__ -#define log(x) ((x) < 0.0 ? nan() : log(x)) -#define log10(x) ((x) < 0.0 ? nan() : log10(x)) -#endif - -static VALUE -math_log(obj, x) - VALUE obj, x; -{ - Need_Float(x); - return rb_float_new(log(RFLOAT(x)->value)); -} - -static VALUE -math_log10(obj, x) - VALUE obj, x; -{ - Need_Float(x); - return rb_float_new(log10(RFLOAT(x)->value)); -} - -static VALUE -math_sqrt(obj, x) - VALUE obj, x; -{ - Need_Float(x); - - if (RFLOAT(x)->value < 0.0) rb_raise(rb_eArgError, "square root for negative number"); - return rb_float_new(sqrt(RFLOAT(x)->value)); -} - -static VALUE -math_frexp(obj, x) - VALUE obj, x; -{ - double d; - int exp; - - Need_Float(x); - d = frexp(RFLOAT(x)->value, &exp); - - return rb_assoc_new(rb_float_new(d), INT2NUM(exp)); -} - -static VALUE -math_ldexp(obj, x, n) - VALUE obj, x, n; -{ - double d; - - Need_Float(x); - return rb_float_new(d = ldexp(RFLOAT(x)->value, NUM2INT(n))); -} - -static VALUE -math_hypot(obj, x, y) - VALUE obj, x, y; -{ - Need_Float2(x, y); - return rb_float_new(hypot(RFLOAT(x)->value, RFLOAT(y)->value)); -} - -void -Init_Math() -{ - rb_mMath = rb_define_module("Math"); - -#ifdef M_PI - rb_define_const(rb_mMath, "PI", rb_float_new(M_PI)); -#else - rb_define_const(rb_mMath, "PI", rb_float_new(atan(1.0)*4.0)); -#endif - -#ifdef M_E - rb_define_const(rb_mMath, "E", rb_float_new(M_E)); -#else - rb_define_const(rb_mMath, "E", rb_float_new(exp(1.0))); -#endif - - rb_define_module_function(rb_mMath, "atan2", math_atan2, 2); - rb_define_module_function(rb_mMath, "cos", math_cos, 1); - 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, "cosh", math_cosh, 1); - rb_define_module_function(rb_mMath, "sinh", math_sinh, 1); - rb_define_module_function(rb_mMath, "tanh", math_tanh, 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); - rb_define_module_function(rb_mMath, "sqrt", math_sqrt, 1); - - rb_define_module_function(rb_mMath, "frexp", math_frexp, 1); - rb_define_module_function(rb_mMath, "ldexp", math_ldexp, 2); - - rb_define_module_function(rb_mMath, "hypot", math_hypot, 2); -} |