1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
/*
sf_trigonometric.c
Ruby/GSL: Ruby extension library for GSL (GNU Scientific Library)
(C) Copyright 2001-2006 by Yoshiki Tsunesada
Ruby/GSL is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License.
This library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY.
*/
#include "rb_gsl_sf.h"
static VALUE rb_gsl_sf_sin(VALUE obj, VALUE x)
{
if (COMPLEX_P(x) || VECTOR_COMPLEX_P(x) || MATRIX_COMPLEX_P(x))
return rb_gsl_math_complex_eval(gsl_complex_sin, x);
return rb_gsl_sf_eval1(gsl_sf_sin, x);
}
static VALUE rb_gsl_sf_sin_e(VALUE obj, VALUE x)
{
return rb_gsl_sf_eval_e(gsl_sf_sin_e, x);
}
static VALUE rb_gsl_sf_cos(VALUE obj, VALUE x)
{
if (COMPLEX_P(x) || VECTOR_COMPLEX_P(x) || MATRIX_COMPLEX_P(x))
return rb_gsl_math_complex_eval(gsl_complex_cos, x);
return rb_gsl_sf_eval1(gsl_sf_cos, x);
}
static VALUE rb_gsl_sf_cos_e(VALUE obj, VALUE x)
{
return rb_gsl_sf_eval_e(gsl_sf_cos_e, x);
}
static VALUE rb_gsl_sf_hypot(VALUE obj, VALUE x, VALUE y)
{
Need_Float(x); Need_Float(y);
return rb_float_new(gsl_sf_hypot(NUM2DBL(x), NUM2DBL(y)));
}
static VALUE rb_gsl_sf_hypot_e(VALUE obj, VALUE x, VALUE y)
{
return rb_gsl_sf_eval_e_double2(gsl_sf_hypot_e, x, y);
}
static VALUE rb_gsl_sf_sinc(VALUE obj, VALUE x)
{
return rb_gsl_sf_eval1(gsl_sf_sinc, x);
}
static VALUE rb_gsl_sf_sinc_e(VALUE obj, VALUE x)
{
return rb_gsl_sf_eval_e(gsl_sf_sinc_e, x);
}
static VALUE rb_gsl_sf_complex_XXX_e(int argc, VALUE *argv, VALUE obj,
int (*f)(double, double, gsl_sf_result*, gsl_sf_result*))
{
gsl_sf_result *r1, *r2;
gsl_complex *z;
double re, im;
VALUE v1, v2;
// local variable "status" declared and set, but never used
//int status;
switch (argc) {
case 1:
CHECK_COMPLEX(argv[0]);
Data_Get_Struct(argv[0], gsl_complex, z);
re = GSL_REAL(*z);
im = GSL_IMAG(*z);
break;
case 2:
Need_Float(argv[0]); Need_Float(argv[1]);
re = NUM2DBL(argv[0]);
im = NUM2DBL(argv[1]);
break;
default:
rb_raise(rb_eArgError, "wrong number of arguments (%d for 1 or 2)", argc);
break;
}
v1 = Data_Make_Struct(cgsl_sf_result, gsl_sf_result, 0, free, r1);
v2 = Data_Make_Struct(cgsl_sf_result, gsl_sf_result, 0, free, r2);
/*status =*/ (*f)(re, im, r1, r2);
return rb_ary_new3(2, v1, v2);
}
static VALUE rb_gsl_sf_complex_sin_e(int argc, VALUE *argv, VALUE obj)
{
return rb_gsl_sf_complex_XXX_e(argc, argv, obj, gsl_sf_complex_sin_e);
}
static VALUE rb_gsl_sf_complex_cos_e(int argc, VALUE *argv, VALUE obj)
{
return rb_gsl_sf_complex_XXX_e(argc, argv, obj, gsl_sf_complex_cos_e);
}
static VALUE rb_gsl_sf_complex_logsin_e(int argc, VALUE *argv, VALUE obj)
{
return rb_gsl_sf_complex_XXX_e(argc, argv, obj, gsl_sf_complex_logsin_e);
}
static VALUE rb_gsl_sf_lnsinh(VALUE obj, VALUE x)
{
return rb_gsl_sf_eval1(gsl_sf_lnsinh, x);
}
static VALUE rb_gsl_sf_lnsinh_e(VALUE obj, VALUE x)
{
return rb_gsl_sf_eval_e(gsl_sf_lnsinh_e, x);
}
static VALUE rb_gsl_sf_lncosh(VALUE obj, VALUE x)
{
return rb_gsl_sf_eval1(gsl_sf_lncosh, x);
}
static VALUE rb_gsl_sf_lncosh_e(VALUE obj, VALUE x)
{
return rb_gsl_sf_eval_e(gsl_sf_lncosh_e, x);
}
static VALUE rb_gsl_sf_polar_to_rect(int argc, VALUE *argv, VALUE obj)
{
return rb_gsl_sf_complex_XXX_e(argc, argv, obj, gsl_sf_polar_to_rect);
}
static VALUE rb_gsl_sf_rect_to_polar(int argc, VALUE *argv, VALUE obj)
{
return rb_gsl_sf_complex_XXX_e(argc, argv, obj, gsl_sf_rect_to_polar);
}
static VALUE rb_gsl_sf_angle_restrict_symm(VALUE obj, VALUE theta)
{
return rb_gsl_sf_eval1(gsl_sf_angle_restrict_symm, theta);
}
static VALUE rb_gsl_sf_angle_restrict_pos(VALUE obj, VALUE theta)
{
return rb_gsl_sf_eval1(gsl_sf_angle_restrict_pos, theta);
}
/*
static VALUE rb_gsl_sf_sin_err(VALUE obj, VALUE x, VALUE dx)
{
return rb_float_new(gsl_sf_sin_err(NUM2DBL(x), NUM2DBL(dx)));
}
static VALUE rb_gsl_sf_cos_err(VALUE obj, VALUE x, VALUE dx)
{
return rb_float_new(gsl_sf_cos_err(NUM2DBL(x), NUM2DBL(dx)));
}
*/
static VALUE rb_gsl_sf_sin_err_e(VALUE obj, VALUE x, VALUE dx)
{
gsl_sf_result *rslt = NULL;
VALUE v;
// local variable "status" declared and set, but never used
//int status;
Need_Float(x);
Need_Float(dx);
v = Data_Make_Struct(cgsl_sf_result, gsl_sf_result, 0, free, rslt);
/*status =*/ gsl_sf_sin_err_e(NUM2DBL(x), NUM2DBL(dx), rslt);
return v;
}
static VALUE rb_gsl_sf_cos_err_e(VALUE obj, VALUE x, VALUE dx)
{
gsl_sf_result *rslt = NULL;
VALUE v;
// local variable "status" declared and set, but never used
//int status;
Need_Float(x);
Need_Float(dx);
v = Data_Make_Struct(cgsl_sf_result, gsl_sf_result, 0, free, rslt);
/*status =*/ gsl_sf_cos_err_e(NUM2DBL(x), NUM2DBL(dx), rslt);
return v;
}
void Init_gsl_sf_trigonometric(VALUE module)
{
rb_define_module_function(module, "sin", rb_gsl_sf_sin, 1);
rb_define_module_function(module, "sin_e", rb_gsl_sf_sin_e, 1);
rb_define_module_function(module, "cos", rb_gsl_sf_cos, 1);
rb_define_module_function(module, "cos_e", rb_gsl_sf_cos_e, 1);
rb_define_module_function(module, "hypot", rb_gsl_sf_hypot, 2);
rb_define_module_function(module, "hypot_e", rb_gsl_sf_hypot_e, 2);
rb_define_module_function(module, "sinc", rb_gsl_sf_sinc, 1);
rb_define_module_function(module, "sinc_e", rb_gsl_sf_sinc_e, 1);
rb_define_module_function(module, "complex_sin_e", rb_gsl_sf_complex_sin_e, -1);
rb_define_module_function(module, "complex_cos_e", rb_gsl_sf_complex_cos_e, -1);
rb_define_module_function(module, "complex_logsin_e", rb_gsl_sf_complex_logsin_e, -1);
rb_define_module_function(module, "lnsinh", rb_gsl_sf_lnsinh, 1);
rb_define_module_function(module, "lnsinh_e", rb_gsl_sf_lnsinh_e, 1);
rb_define_module_function(module, "lncosh", rb_gsl_sf_lncosh, 1);
rb_define_module_function(module, "lncosh_e", rb_gsl_sf_lncosh_e, 1);
rb_define_module_function(module, "polar_to_rect", rb_gsl_sf_polar_to_rect, -1);
rb_define_module_function(module, "rect_to_polar", rb_gsl_sf_rect_to_polar, -1);
rb_define_module_function(module, "angle_restrict_symm", rb_gsl_sf_angle_restrict_symm, 1);
rb_define_module_function(module, "angle_restrict_pos", rb_gsl_sf_angle_restrict_pos, 1);
/* rb_define_module_function(module, "sin_err", rb_gsl_sf_sin_err, 2);
rb_define_module_function(module, "cos_err", rb_gsl_sf_cos_err, 2);*/
rb_define_module_function(module, "sin_err_e", rb_gsl_sf_sin_err_e, 2);
rb_define_module_function(module, "cos_err_e", rb_gsl_sf_cos_err_e, 2);
}
|
