chep95.cfortran.h.talk.ps

Cfortran is useful for mixing language programing when you want call some C function in your FORTRAN

(s action) 89.55 260.18 T
(may be required by several applications.) 21.26 246.18 T
2 14 Q
(\357) 21.26 212.18 T
0 12 Q
(Applications reuse components.) 35.43 212.18 T
(Expensive alternative: recreate components.) 35.43 184.18 T
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0 X
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(2) 271.38 18 T
1 14 Q
(2\051) 21.26 381.84 T
(The Need for MLP) 42.52 381.84 T
0 12 Q
(A component is coded in a programming language.) 21.26 348.18 T
(\245) 21.26 328.18 T
(An existing component) 35.43 328.18 T
(is in one of various languages.) 35.43 314.18 T
(\245) 21.26 294.18 T
(Some components, new or old,) 35.43 294.18 T
(are best expressed in a particular language.) 35.43 280.18 T
(\245) 21.26 260.18 T
(some programmers prefer) 35.43 260.18 T
(a particular language.) 35.43 246.18 T
2 14 Q
(\357) 21.26 212.18 T
0 12 Q
(Applications may span languages.) 35.43 212.18 T
2 14 Q
(\357) 21.26 178.18 T
0 12 Q
(Mixed Language Programming \050MLP\051.) 35.43 178.18 T
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0 10 Q
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(3) 271.38 18 T
1 14 Q
(3\051) 21.26 381.84 T
(MLP is NOT T) 42.52 381.84 T
(ranslation) 132.06 381.84 T
0 12 Q
(For some components and/or languages,) 21.26 362.18 T
(may translate component into another language.) 21.26 348.18 T
(Component translation makes sense when) 21.26 314.18 T
(further development and maintenance) 21.26 300.18 T
(will take place in the new language) 21.26 286.18 T
(and is abandoned in the old language.) 21.26 272.18 T
([NOT an MLP issue.]) 147.19 258.18 T
(T) 21.26 218.18 T
(ranslation is generally not an MLP option.) 28.17 218.18 T
(1.) 21.26 198.18 T
(MLP cares about component interface) 35.43 198.18 T
(or \324surface\325. No need to translate \324body\325.) 35.43 184.18 T
(2.) 21.26 164.18 T
(Practical problems:) 35.43 164.18 T
(\245) 21.26 144.18 T
(source code may not be available.) 35.43 144.18 T
(\245) 21.26 124.18 T
(T) 35.43 124.18 T
(ranslation may be practically impossible.) 42.34 124.18 T
(e.g. C) 35.43 110.18 T
2 14 Q
(\331) 66.75 110.18 T
0 12 Q
( Fortran.) 79.68 110.18 T
(\245) 21.26 90.18 T
(T) 35.43 90.18 T
(ranslation is dif) 42.34 90.18 T
(\336cult, even with tools.) 116.75 90.18 T
(\245) 21.26 70.18 T
(T) 35.43 70.18 T
(ranslation introduces opportunity for bugs.) 42.34 70.18 T
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0 10 Q
0 X
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(4) 271.38 18 T
1 14 Q
(4\051) 21.26 381.84 T
(The Anatomy of a Component) 42.52 381.84 T
0 12 Q
(W) 21.26 200.43 T
(ithin a language,) 32.1 200.43 T
(component use is well-supported:) 21.26 186.43 T
(\245) 21.26 166.43 T
(Component name is obvious.) 35.43 166.43 T
(\245) 21.26 146.43 T
(Easy to pass input and output data.) 35.43 146.43 T
(\245) 21.26 126.43 T
(Have environment for side-ef) 35.43 126.43 T
(fects:) 176.76 126.43 T
(- I/O to terminal, disk, network.) 35.43 112.43 T
(- access to global data.) 35.43 98.43 T
(- exception handling.) 35.43 84.43 T
(\245) 21.26 64.43 T
(Fortran example:) 35.43 64.43 T
3 F
(CALL HBOOK1\0502,\325TEST\325,10,0.,1.,0.\051) 35.43 44.43 T
21.26 28.35 276.38 391.18 C
21.26 215.43 276.38 377.18 C
3 H
2 Z
0 X
0 K
90 450 40.54 40.87 144 285.34 A
3 12 Q
(body) 114.8 294.9 T
(encodes) 114.8 282.9 T
(action) 114.8 270.9 T
72.28 304.07 106.3 304.07 2 L
N
(input data) 29 318.95 T
27.69 270.35 81.88 270.35 2 L
N
(output data) 22 250.24 T
55.56 309.63 75.81 304.07 55.69 298.06 55.62 303.84 4 Y
V
28.35 303.54 55.62 303.84 2 L
N
71.23 264.38 51.01 270.05 71.17 275.95 71.2 270.16 4 Y
V
105.95 270.35 71.2 270.16 2 L
N
171.49 369.02 171.49 227.12 2 L
11 X
N
216.13 318.39 236.69 314.11 216.99 306.84 216.56 312.61 4 Y
0 X
V
177.16 309.69 216.57 312.61 2 L
N
204.79 306.85 184.28 311.36 204.06 318.4 204.43 312.62 4 Y
V
242.36 314.99 204.43 312.62 2 L
N
(I/O) 249.68 314.35 T
216.53 292.78 236.71 286.99 216.53 281.2 216.53 286.99 4 Y
V
185.69 286.99 216.53 286.99 2 L
N
207.21 281.2 187.03 286.99 207.21 292.78 207.21 286.99 4 Y
V
246.56 286.99 207.21 286.99 2 L
N
(global data) 192.7 271.95 T
215.93 264.06 234.06 253.45 213.07 252.84 214.5 258.45 4 Y
V
180 266.97 214.51 258.45 2 L
N
204.83 254.38 186.81 265.16 207.8 265.57 206.32 259.98 4 Y
V
244.61 250.15 206.32 259.97 2 L
N
(exceptions) 200.44 240.26 T
(optional) 179.34 357.95 T
(SIDE-EFFECTS) 179.34 345.95 T
21.26 28.35 276.38 391.18 C
0 0 297.64 419.52 C
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(5) 271.38 18 T
1 14 Q
(5\051) 21.26 381.84 T
(The T) 42.52 381.84 T
(r) 77.64 381.84 T
(ouble with MLP) 83.6 381.84 T
0 12 Q
(Going across languages,) 21.26 362.18 T
(component use is generally NOT well-supported:) 21.26 348.18 T
(\245) 21.26 328.18 T
(Component name may NOT be obvious.) 35.43 328.18 T
(\245) 21.26 308.18 T
(Passing input and output data) 35.43 308.18 T
(may be complicated.) 35.43 294.18 T
(\245) 21.26 274.18 T
(Potentially troubled environment for side-ef) 35.43 274.18 T
(fects.) 246.41 274.18 T
(e.g.) 35.43 260.18 T
(May have garbled standard output) 55.75 260.18 T
(from two languages.) 55.6 246.18 T
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0 10 Q
0 X
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(6) 271.38 18 T
1 14 Q
(6\051) 21.26 381.84 T
(A) 42.52 381.84 T
(voiding T) 51.59 381.84 T
(r) 107.71 381.84 T
(ouble with Side-Effects) 113.67 381.84 T
2 F
(\357) 21.26 351.84 T
1 F
(Simple Solution: A) 35.43 351.84 T
(void Side-Effects!) 147.13 351.84 T
(Good Pr) 35.43 321.84 T
(ogramming Practice!) 86.1 321.84 T
0 12 Q
(e.g.) 21.26 302.18 T
(A component should not cry on standard output,) 42.52 302.18 T
(better to return an error code.) 42.52 288.18 T
89.21 266.87 21.26 266.87 2 L
V
0.59 H
0 Z
N
(Encapsulation) 21.26 268.18 T
( may allow an existing component) 89.21 268.18 T
(to be ef) 21.26 254.18 T
(fectively freed of side-ef) 57.01 254.18 T
(fects.) 175.01 254.18 T
(Remainder of talk ignores side-ef) 21.26 32.63 T
(fects.) 181.59 32.63 T
21.26 28.35 276.38 391.18 C
21.26 76.63 276.38 250.18 C
3 H
2 Z
0 X
0 K
90 450 40.54 40.87 144 155.6 A
3 12 Q
(action) 114.8 153.16 T
72.28 174.33 106.3 174.33 2 L
N
(input data) 29 189.21 T
27.69 140.61 81.88 140.61 2 L
N
(output data) 22 120.5 T
55.56 179.89 75.81 174.33 55.69 168.32 55.62 174.1 4 Y
V
28.35 173.8 55.62 174.1 2 L
N
71.23 134.63 51.01 140.31 71.17 146.21 71.2 140.42 4 Y
V
105.95 140.61 71.2 140.42 2 L
N
168.13 211.17 167.21 106.36 2 L
11 X
N
216.13 188.65 236.69 184.37 216.99 177.1 216.56 182.87 4 Y
0 X
V
177.16 179.95 216.57 182.87 2 L
N
204.79 177.11 184.28 181.62 204.06 188.66 204.43 182.88 4 Y
V
242.36 185.25 204.43 182.88 2 L
N
216.53 163.04 236.71 157.25 216.53 151.46 216.53 157.25 4 Y
V
185.69 157.25 216.53 157.25 2 L
N
207.21 151.46 187.03 157.25 207.21 163.04 207.21 157.25 4 Y
V
246.56 157.25 207.21 157.25 2 L
N
215.93 134.32 234.06 123.71 213.07 123.1 214.5 128.71 4 Y
V
180 137.23 214.51 128.71 2 L
N
204.83 124.64 186.81 135.42 207.8 135.83 206.32 130.24 4 Y
V
244.61 120.41 206.32 130.23 2 L
N
(SIDE-EFFECTS) 175.05 191.21 T
90 450 85.04 79.37 187.79 159.47 A
(encapsulation) 140.25 216.95 T
(former) 175 201.99 T
21.26 28.35 276.38 391.18 C
0 0 297.64 419.52 C
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0 10 Q
0 X
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(7) 271.38 18 T
1 14 Q
(7\051) 21.26 381.84 T
(The First of Thr) 42.52 381.84 T
(ee T) 139.82 381.84 T
(ypes of MLP) 164.04 381.84 T
(Coarse-Grained MLP:) 21.26 351.84 T
0 12 Q
(\245) 21.26 332.18 T
(Application consists of multiple executables.) 35.43 332.18 T
(\245) 21.26 312.18 T
(Each executable consists of components) 35.43 312.18 T
(from a single programming language.) 35.43 298.18 T
(Basic Notion: \322Intermediate File\323) 21.26 258.18 T
(Data Re\336nement: \322Pipes\323) 21.26 170.9 T
(Control Re\336nement: \322Scripts\323) 21.26 83.63 T
3 F
(#!/bin/sh) 35.43 63.63 T
(# Start Fcode and Ccode) 35.43 49.63 T
(# Handle all exceptions.) 35.43 35.63 T
21.26 28.35 276.38 391.18 C
21.26 200.9 276.38 254.18 C
1 H
2 Z
0 X
0 K
90 450 19.08 15.59 57.31 229.5 A
3 12 Q
(Fcode) 40.26 225.96 T
86.12 232.08 97.66 228.78 86.12 225.47 86.12 228.78 4 Y
V
77.82 228.78 86.12 228.78 2 L
N
94.82 228.78 103.33 228.78 2 L
N
103.33 217.44 137.41 240.11 R
N
(data) 105.45 225.94 T
(i\051) 22.64 228.08 T
(ii\051) 151.59 227.39 T
174.9 219.44 208.98 242.11 R
N
(data) 177.02 227.94 T
218.41 234.08 229.94 230.78 218.41 227.47 218.41 230.78 4 Y
V
210.1 230.78 218.41 230.78 2 L
N
227.11 230.78 235.61 230.78 2 L
N
90 450 19.08 15.59 254.59 230.07 A
(Ccode) 237.55 226.53 T
21.26 28.35 276.38 391.18 C
0 0 297.64 419.52 C
21.26 28.35 276.38 391.18 C
21.26 113.63 276.38 166.9 C
1 H
2 Z
0 X
0 K
90 450 19.08 15.59 57.31 142.23 A
3 12 Q
(Fcode) 40.26 138.69 T
86.12 144.81 97.66 141.5 86.12 138.19 86.12 141.5 4 Y
V
77.82 141.5 86.12 141.5 2 L
N
94.82 141.5 103.33 141.5 2 L
N
90 450 19.08 15.59 123.88 141.37 A
(Ccode) 106.84 137.83 T
90 450 19.08 15.59 188.88 142.08 A
(Gcode) 171.84 138.55 T
217.64 150.92 229.22 147.79 217.74 144.31 217.69 147.62 4 Y
V
206.54 147.45 217.7 147.62 2 L
N
226.63 147.55 238.15 147.55 2 L
N
90 450 19.08 15.59 255.45 141.23 A
(Hcode) 238.41 137.69 T
(;) 154.49 135.72 T
223.21 132.19 211.67 135.5 223.21 138.81 223.21 135.5 4 Y
V
237.92 135.5 223.21 135.5 2 L
N
216.47 135.5 206.31 135.68 2 L
N
21.26 28.35 276.38 391.18 C
0 0 297.64 419.52 C
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0 10 Q
0 X
0 K
(8) 271.38 18 T
1 14 Q
(8\051) 21.26 381.84 T
(Bene\336ts/Costs of Coarse-Grained MLP) 42.52 381.84 T
0 12 Q
(Advantages:) 21.26 342.18 T
(\245) 21.26 322.18 T
(No MLP problems,) 35.43 322.18 T
(except passing data between languages.) 35.43 308.18 T
(\245) 21.26 288.18 T
(Separate executables) 35.43 288.18 T
(generally simplify development and maintenance.) 35.43 274.18 T
(\245) 21.26 254.18 T
(One or more executables may already exist.) 35.43 254.18 T
(Disadvantages:) 21.26 220.18 T
(\245) 21.26 200.18 T
(Limited applicability) 35.43 200.18 T
(.) 135.6 200.18 T
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0 10 Q
0 X
0 K
(9) 271.38 18 T
1 14 Q
(9\051) 21.26 381.84 T
(The Second of Thr) 42.52 381.84 T
(ee T) 153.83 381.84 T
(ypes of MLP) 178.05 381.84 T
(CORBA:) 21.26 351.84 T
0 12 Q
(\245) 21.26 332.18 T
(powerful, generic environment) 35.43 332.18 T
(for combining components.) 35.43 318.18 T
(\245) 21.26 298.18 T
(language is irrelevant once bound to) 35.43 298.18 T
(Interface De\336nition Language \050IDL\051.) 35.43 284.18 T
(Solves MLP problems for:) 35.43 270.18 T
(- component names.) 35.43 256.18 T
(- passing input and output data.) 35.43 242.18 T
(\245) 21.26 222.18 T
(components may or may not be:) 35.43 222.18 T
(- in the same executable.) 35.43 208.18 T
(- running on the same computer) 35.43 194.18 T
(.) 187.66 194.18 T
(Power comes from abstraction gained) 21.26 160.18 T
(by passing \322objects\323 on a \322software bus\323.) 21.26 146.18 T
21.26 28.35 276.38 391.18 C
21.26 49.9 276.38 142.18 C
1 H
2 Z
0 X
0 K
90 450 19.08 12.95 45.96 116.48 A
3 12 Q
(Fa) 38.24 114.91 T
45.49 103.04 38.9 95.13 42.92 95.13 42.92 90.12 4 L
N
45.4 103.04 51.99 95.13 47.97 95.13 47.97 90.12 4 L
N
45.49 79.12 38.9 87.03 42.92 87.03 42.92 92.04 4 L
N
45.4 79.12 51.99 87.03 47.97 87.03 47.97 92.04 4 L
N
90 450 19.08 12.95 93.25 116.33 A
(Fb) 85.53 114.77 T
92.78 102.9 86.19 94.99 90.21 94.99 90.21 89.98 4 L
N
92.69 102.9 99.28 94.99 95.26 94.99 95.26 89.98 4 L
N
92.78 78.98 86.19 86.89 90.21 86.89 90.21 91.9 4 L
N
92.69 78.98 99.28 86.89 95.26 86.89 95.26 91.9 4 L
N
90 450 19.08 12.95 183.78 116.33 A
(Cx) 176.06 114.77 T
183.31 102.9 176.72 94.99 180.74 94.99 180.74 89.98 4 L
N
183.22 102.9 189.81 94.99 185.79 94.99 185.79 89.98 4 L
N
183.31 78.98 176.72 86.89 180.74 86.89 180.74 91.9 4 L
N
183.22 78.98 189.81 86.89 185.79 86.89 185.79 91.9 4 L
N
90 450 19.08 12.95 231.07 116.19 A
(Cy) 223.35 114.63 T
230.6 102.76 224.01 94.85 228.03 94.85 228.03 89.84 4 L
N
230.51 102.76 237.1 94.85 233.08 94.85 233.08 89.84 4 L
N
230.6 78.84 224.01 86.75 228.03 86.75 228.03 91.76 4 L
N
230.51 78.84 237.1 86.75 233.08 86.75 233.08 91.76 4 L
N
90 450 4.25 4.25 125.25 115.98 G
90 450 4.25 4.25 125.25 115.98 A
90 450 4.25 4.25 137.53 115.84 G
90 450 4.25 4.25 137.53 115.84 A
90 450 4.25 4.25 150.53 115.7 G
90 450 4.25 4.25 150.53 115.7 A
25.71 55.35 259.78 77.77 R
N
3 18 Q
(C O R B A) 90.22 62.55 T
21.26 28.35 276.38 391.18 C
0 0 297.64 419.52 C
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0 10 Q