rsspice 0.1.0

Pure Rust port of the SPICE Toolkit for space geometry
Documentation 
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
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314

//
// GENERATED FILE
//

use super::*;
use f2rust_std::*;

const TIGHT: f64 = 0.0000000000001;

//$Procedure F_DVOPS (Family of vector operations derivative tests)
pub fn F_DVOPS(OK: &mut bool, ctx: &mut Context) -> f2rust_std::Result<()> {
    let mut CMP: f64 = 0.0;
    let mut EXP: f64 = 0.0;
    let mut LENGTH: f64 = 0.0;
    let mut MAG_LOG: f64 = 0.0;
    let mut MAG: f64 = 0.0;
    let mut LLIM: f64 = 0.0;
    let mut ULIM: f64 = 0.0;
    let mut DVMAG: f64 = 0.0;
    let mut VTEMP = StackArray::<f64, 3>::new(1..=3);
    let mut X1 = StackArray::<f64, 3>::new(1..=3);
    let mut PRT1 = StackArray::<f64, 3>::new(1..=3);
    let mut PRT2 = StackArray::<f64, 3>::new(1..=3);
    let mut EXPV = StackArray::<f64, 6>::new(1..=6);
    let mut S1 = StackArray::<f64, 6>::new(1..=6);
    let mut S2 = StackArray::<f64, 6>::new(1..=6);
    let mut SOUT = StackArray::<f64, 6>::new(1..=6);
    let mut TXT = [b' '; 64 as usize];
    let mut SEED1: i32 = 0;

    //
    // Test Utility Functions
    //

    //
    // SPICELIB Functions
    //

    //
    // Local parameters
    //

    //
    // Local Variables
    //

    //
    // Begin every test family with an open call.
    //
    testutil::TOPEN(b"F_DVOPS", ctx)?;

    S1[1] = 1.0;
    S1[2] = 2.0;
    S1[3] = 1.0;
    S1[4] = 1.0;
    S1[5] = -1.0;
    S1[6] = 3.0;

    S2[1] = 2.0;
    S2[2] = 3.0;
    S2[3] = 4.0;
    S2[4] = 1.0;
    S2[5] = 2.0;
    S2[6] = 3.0;

    //
    // Case 1
    //
    testutil::TCASE(b"Test DVDOT.", ctx)?;

    EXP = ((((((S1[1] * S2[4]) + (S1[4] * S2[1])) + (S1[2] * S2[5])) + (S1[5] * S2[2]))
        + (S1[3] * S2[6]))
        + (S1[6] * S2[3]));

    CMP = spicelib::DVDOT(S1.as_slice(), S2.as_slice());

    testutil::CHCKXC(false, b" ", OK, ctx)?;
    testutil::CHCKSD(b"DVDOT", CMP, b"=", EXP, 0.0, OK, ctx)?;

    //
    // Case 2
    //
    testutil::TCASE(b"Test DVCRSS.", ctx)?;

    spicelib::VCRSS(S1.subarray(1), S2.subarray(1), EXPV.subarray_mut(1));
    spicelib::VCRSS(S1.subarray(1), S2.subarray(4), PRT1.subarray_mut(1));
    spicelib::VCRSS(S1.subarray(4), S2.subarray(1), PRT2.subarray_mut(1));
    spicelib::VADD(PRT1.subarray(1), PRT2.subarray(1), EXPV.subarray_mut(4));

    testutil::CHCKXC(false, b" ", OK, ctx)?;
    spicelib::DVCRSS(S1.as_slice(), S2.as_slice(), SOUT.as_slice_mut());

    testutil::CHCKXC(false, b" ", OK, ctx)?;
    testutil::CHCKAD(
        b"SOUT",
        SOUT.as_slice(),
        b"=",
        EXPV.as_slice(),
        6,
        0.0,
        OK,
        ctx,
    )?;

    //
    // Case 3
    //
    testutil::TCASE(b"Test DVHAT with a state having non-zero position.", ctx)?;

    spicelib::UNORM(S1.as_slice(), EXPV.as_slice_mut(), &mut LENGTH);
    spicelib::VPERP(
        S1.subarray(4),
        &EXPV.as_slice().to_vec(),
        EXPV.subarray_mut(4),
    );
    spicelib::VSCLIP((1.0 / LENGTH), EXPV.subarray_mut(4));

    spicelib::DVHAT(S1.as_slice(), SOUT.as_slice_mut());

    testutil::CHCKXC(false, b" ", OK, ctx)?;
    testutil::CHCKAD(
        b"SOUT",
        SOUT.as_slice(),
        b"=",
        EXPV.as_slice(),
        6,
        0.0,
        OK,
        ctx,
    )?;

    //
    // Case 4
    //
    testutil::TCASE(b"Test DVHAT with a state having zero position.", ctx)?;

    S1[1] = 0.0;
    S1[2] = 0.0;
    S1[3] = 0.0;

    EXPV[1] = 0.0;
    EXPV[2] = 0.0;
    EXPV[3] = 0.0;
    EXPV[4] = S1[4];
    EXPV[5] = S1[5];
    EXPV[6] = S1[6];

    spicelib::DVHAT(S1.as_slice(), SOUT.as_slice_mut());

    testutil::CHCKXC(false, b" ", OK, ctx)?;
    testutil::CHCKAD(
        b"SOUT",
        SOUT.as_slice(),
        b"=",
        EXPV.as_slice(),
        6,
        0.0,
        OK,
        ctx,
    )?;

    //
    // Case 5
    //
    testutil::TCASE(b"Test DUCRSS", ctx)?;

    S1[1] = 1.0;
    S1[2] = 2.0;
    S1[3] = 1.0;

    spicelib::VCRSS(S1.subarray(1), S2.subarray(1), EXPV.subarray_mut(1));
    spicelib::VCRSS(S1.subarray(1), S2.subarray(4), PRT1.subarray_mut(1));
    spicelib::VCRSS(S1.subarray(4), S2.subarray(1), PRT2.subarray_mut(1));
    spicelib::VADD(PRT1.subarray(1), PRT2.subarray(1), EXPV.subarray_mut(4));
    spicelib::UNORM(EXPV.as_slice(), VTEMP.as_slice_mut(), &mut LENGTH);
    spicelib::VEQU(VTEMP.as_slice(), EXPV.as_slice_mut());
    spicelib::VPERP(EXPV.subarray(4), EXPV.subarray(1), VTEMP.as_slice_mut());
    spicelib::VSCL((1.0 / LENGTH), VTEMP.as_slice(), EXPV.subarray_mut(4));

    spicelib::DUCRSS(S1.as_slice(), S2.as_slice(), SOUT.as_slice_mut());

    testutil::CHCKXC(false, b" ", OK, ctx)?;
    testutil::CHCKAD(
        b"SOUT",
        SOUT.as_slice(),
        b"=",
        EXPV.as_slice(),
        6,
        0.0,
        OK,
        ctx,
    )?;

    //
    // Case 6
    //
    // Test DVNORM, parallel, anti-parallel, zero vector cases.
    //

    SEED1 = -82763653;
    LLIM = -2.0;
    ULIM = 25.0;

    X1[1] = 1.0;
    X1[2] = f64::sqrt(2.0);
    X1[3] = f64::sqrt(3.0);

    fstr::assign(&mut TXT, b"DVNORM ZERO VECTOR CASE");
    testutil::TCASE(&TXT, ctx)?;

    S1[1] = 0.0;
    S1[2] = 0.0;
    S1[3] = 0.0;
    S1[4] = X1[1];
    S1[5] = X1[2];
    S1[6] = X1[3];

    DVMAG = spicelib::DVNORM(S1.as_slice());

    testutil::CHCKSD(b"DVNORM", DVMAG, b"=", 0.0, TIGHT, OK, ctx)?;

    //
    // Create a set of 6x1 arrays with, the first three components
    // describing a vector with a random magnitude.
    //
    //
    // Note, 5000 is an arbitrary value.
    //
    for I in 1..=5000 {
        MAG_LOG = testutil::T_RANDD(LLIM, ULIM, &mut SEED1, ctx)?;
        MAG = f64::powf(10.0, MAG_LOG);

        fstr::assign(&mut TXT, b"DVNORM parallel %d, MAG_LOG %f");
        spicelib::REPMI(&TXT.clone(), b"%d", I, &mut TXT, ctx);
        spicelib::REPMD(&TXT.clone(), b"%f", MAG_LOG, 6, &mut TXT, ctx);

        testutil::TCASE(&TXT, ctx)?;

        S1[1] = (X1[1] * MAG);
        S1[2] = (X1[2] * MAG);
        S1[3] = (X1[3] * MAG);
        S1[4] = X1[1];
        S1[5] = X1[2];
        S1[6] = X1[3];

        DVMAG = spicelib::DVNORM(S1.as_slice());

        testutil::CHCKSD(
            &TXT,
            DVMAG,
            b"~",
            spicelib::VNORM(X1.as_slice()),
            TIGHT,
            OK,
            ctx,
        )?;

        MAG_LOG = testutil::T_RANDD(LLIM, ULIM, &mut SEED1, ctx)?;
        MAG = f64::powf(10.0, MAG_LOG);

        fstr::assign(&mut TXT, b"DVNORM anti-parallel %d, MAG_LOG %f");
        spicelib::REPMI(&TXT.clone(), b"%d", I, &mut TXT, ctx);
        spicelib::REPMD(&TXT.clone(), b"%f", MAG_LOG, 6, &mut TXT, ctx);

        testutil::TCASE(&TXT, ctx)?;

        S1[1] = (X1[1] * MAG);
        S1[2] = (X1[2] * MAG);
        S1[3] = (X1[3] * MAG);
        S1[4] = -X1[1];
        S1[5] = -X1[2];
        S1[6] = -X1[3];

        DVMAG = spicelib::DVNORM(S1.as_slice());

        testutil::CHCKSD(
            &TXT,
            DVMAG,
            b"~",
            -spicelib::VNORM(X1.as_slice()),
            TIGHT,
            OK,
            ctx,
        )?;

        MAG_LOG = testutil::T_RANDD(LLIM, ULIM, &mut SEED1, ctx)?;
        MAG = f64::powf(10.0, MAG_LOG);

        fstr::assign(&mut TXT, b"DVNORM orthogonal %d, MAG_LOG %f");
        spicelib::REPMI(&TXT.clone(), b"%d", I, &mut TXT, ctx);
        spicelib::REPMD(&TXT.clone(), b"%f", MAG_LOG, 6, &mut TXT, ctx);

        testutil::TCASE(&TXT, ctx)?;

        //
        // Create a 6x1 array with the property the dot product of the
        // first three components with the second three components
        // has value zero.
        //
        S2[1] = (X1[1] * MAG);
        S2[2] = (X1[2] * MAG);
        S2[3] = (X1[3] * MAG);
        S2[4] = (1.0 / S2[1]);
        S2[5] = (1.0 / S2[2]);
        S2[6] = -(2.0 / S2[3]);

        DVMAG = spicelib::DVNORM(S2.as_slice());

        testutil::CHCKSD(&TXT, DVMAG, b"~", 0.0, TIGHT, OK, ctx)?;
    }

    testutil::T_SUCCESS(OK, ctx);
    Ok(())
}