f2c.ps

做立体视觉时的标定算法

(common)1196 6120 w
10 R f
( the 50th)2 376(, and procedure names may be arbitrarily long, but they are truncated after)12 3108 2 1556 6120 t
( underscores \(in which case their translations will have a pair of)11 2712( names may contain)3 844(character. These)1 693 3 791 6240 t
(underscores appended\).)1 941 1 791 6360 t
10 S f
(\267)720 6540 w
10 R f
(MAIN programs may have arguments, which are ignored.)7 2314 1 791 6540 t
10 S f
(\267)720 6720 w
10 CW f
(Common)791 6720 w
10 R f
(variables may be initialized by a)5 1340 1 1185 6720 t
10 CW f
(data)2559 6720 w
10 R f
(statement in any module, not just in a)7 1563 1 2833 6720 t
10 CW f
(block data)1 610 1 4430 6720 t
10 R f
(subprogram.)791 6840 w
10 S f
(\267)720 7020 w
10 R f
(The label may be omitted from a)6 1309 1 791 7020 t
10 CW f
(do)2125 7020 w
10 R f
(loop if the loop is terminated by an)7 1402 1 2270 7020 t
10 CW f
(enddo)3697 7020 w
10 R f
(statement.)4022 7020 w
10 S f
(\267)720 7200 w
10 R f
(Unnamed Fortran 90)2 832 1 791 7200 t
10 CW f
(do while)1 480 1 1648 7200 t
10 R f
( a loop begins with a statement of the form)9 1712( Such)1 250(loops are allowed.)2 729 3 2153 7200 t
10 R f
(October 8, 1991)2 646 1 2544 7560 t
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10 R f
(- 6 -)2 166 1 2797 480 t
10 CW f
(do)2025 840 w
10 R f
([)2205 840 w
10 I f
(label)2238 840 w
10 R f
(] [)1 91 1 2446 840 t
10 CW f
(,)2537 840 w
10 R f
(])2597 840 w
10 CW f
(while\()2655 840 w
10 I f
(logical expression)1 730 1 3015 840 t
10 CW f
(\))3745 840 w
10 R f
(and ends either after the statement labelled by)7 1832 1 791 960 t
10 I f
(label)2648 960 w
10 R f
(or after a matching)3 756 1 2873 960 t
10 CW f
(enddo)3654 960 w
10 R f
(.)3954 960 w
10 S f
(\267)720 1140 w
10 I f
(F 2c)1 163 1 791 1140 t
10 R f
(recognizes the Fortran 90 synonyms)4 1464 1 983 1140 t
10 CW f
(<)2476 1140 w
10 R f
(,)2536 1140 w
10 CW f
(<=)2590 1140 w
10 R f
(,)2710 1140 w
10 CW f
(==)2764 1140 w
10 R f
(,)2884 1140 w
10 CW f
(>=)2938 1140 w
10 R f
(,)3058 1140 w
10 CW f
(>)3112 1140 w
10 R f
(, and)1 199 1 3172 1140 t
10 CW f
(<>)3401 1140 w
10 R f
(for the Fortran comparison operators)4 1489 1 3551 1140 t
10 CW f
(.LT.)791 1260 w
10 R f
(,)1031 1260 w
10 CW f
(.LE.)1081 1260 w
10 R f
(,)1321 1260 w
10 CW f
(.EQ.)1371 1260 w
10 R f
(,)1611 1260 w
10 CW f
(.GE.)1661 1260 w
10 R f
(,)1901 1260 w
10 CW f
(.GT.)1951 1260 w
10 R f
(, and)1 194 1 2191 1260 t
10 CW f
(.NE.)2410 1260 w
10 S f
(\267)720 1440 w
10 CW f
(Namelist)791 1440 w
10 R f
(works as in Fortran 90 [2], with a minor restriction on)10 2256 1 1306 1440 t
10 CW f
(namelist)3598 1440 w
10 R f
( must)1 231(input: subscripts)1 695 2 4114 1440 t
(have the form)2 554 1 791 1560 t
10 I f
(subscript)2240 1680 w
10 R f
([ :)1 86 1 2632 1680 t
10 I f
(subscript)2743 1680 w
10 R f
([ :)1 86 1 3135 1680 t
10 I f
(stride)3246 1680 w
10 R f
(] ])1 91 1 3499 1680 t
(For example, the Fortran)3 993 1 791 1800 t
9 CW f
(integer m\(8\))1 648 1 1008 1964 t
(real x\(10,10\))1 702 1 1008 2064 t
(namelist /xx/ m, x)3 972 1 1008 2164 t
(. . .)2 270 1 1008 2264 t
(read\(*,xx\))1008 2364 w
10 R f
(could read)1 418 1 791 2548 t
9 CW f
( = 9,10/)2 432( m\(7:8\))1 432(&xx x\(1,1\) = 2, x\(1:3,8:10:2\) = 1,2,3,4,5,6)6 2322 3 1008 2712 t
10 R f
(but would elicit error messages on the inputs)7 1790 1 791 2896 t
9 CW f
(&xx x\(:3,8:10:2\) = 1,2,3,4,5,6/)3 1674 1 1008 3060 t
( 1,2,3,4,5,6/)1 702( =)1 162(&xx x\(1:3,8::2\))1 810 3 1008 3160 t
(&xx m\(7:\) = 9,10/)3 918 1 1008 3260 t
10 R f
( with the)2 358( compatibility)1 562( For)1 192(\(which inputs would be legal in Fortran 90\).)7 1786 4 791 3444 t
10 CW f
(namelist)3718 3444 w
10 R f
(variants supplied by)2 813 1 4227 3444 t
(several vendors as Fortran 77 extensions,)5 1672 1 791 3564 t
10 I f
(f 2c)1 138 1 2492 3564 t
10 R f
('s version of)2 507 1 2630 3564 t
10 I f
(libI77)3166 3564 w
10 R f
(permits)3434 3564 w
10 CW f
($)3763 3564 w
10 R f
(to be used instead of)4 837 1 3852 3564 t
10 CW f
(&)4718 3564 w
10 R f
(and)4807 3564 w
10 CW f
(/)4980 3564 w
10 R f
(in)791 3684 w
10 CW f
(namelist)894 3684 w
10 R f
( the Fortran shown above could read)6 1458(input. Thus)1 481 2 1399 3684 t
9 CW f
( = 9,10$end)2 594( m\(7:8\))1 432($xx x\(1,1\) = 2, x\(1:3,8:10:2\) = 1,2,3,4,5,6)6 2322 3 1008 3848 t
10 S f
(\267)720 4092 w
10 R f
(Internal list-directed and namelist I/O are allowed.)6 2015 1 791 4092 t
10 S f
(\267)720 4272 w
10 R f
(In an)1 202 1 791 4272 t
10 CW f
(open)1018 4272 w
10 R f
(statement,)1283 4272 w
10 CW f
(name=)1716 4272 w
10 R f
(is treated as)2 471 1 2041 4272 t
10 CW f
(file=)2537 4272 w
10 R f
(.)2837 4272 w
10 S f
(\267)720 4452 w
10 R f
( start with a)3 469( They)1 255(Fortran 90 inline comments are allowed.)5 1620 3 791 4452 t
10 CW f
(!)3160 4452 w
10 R f
(anywhere but column 6.)3 965 1 3270 4452 t
10 B f
(4. INVOCATION EXAMPLES)2 1342 1 720 4699 t
10 R f
(To convert the Fortran \256les)4 1093 1 970 4857 t
10 CW f
(main.f)2088 4857 w
10 R f
(and)2473 4857 w
10 CW f
(subs.f)2642 4857 w
10 R f
(, one might use the UNIX)5 1032 1 3002 4857 t
10 S f
(\322)4034 4807 w
10 R f
(command:)4138 4857 w
9 CW f
(f2c main.f subs.f)2 918 1 1008 5021 t
10 R f
(This results in translated \256les suf\256xed with)6 1782 1 720 5205 t
10 CW f
(.c)2537 5205 w
10 R f
( the resulting C \256les are)5 1007(, i.e.,)1 207 2 2657 5205 t
10 CW f
(main.c)3907 5205 w
10 R f
(and)4303 5205 w
10 CW f
(subs.c)4483 5205 w
10 R f
(. To)1 197 1 4843 5205 t
( \256les in the current directory, compile the resulting C, and create an executable pro-)14 3379(translate all the Fortran)3 941 2 720 5325 t
(gram named)1 496 1 720 5445 t
10 CW f
(myprog)1241 5445 w
10 R f
(, one might use the following pair of UNIX commands:)9 2220 1 1601 5445 t
9 CW f
(f2c *.f)1 378 1 1008 5609 t
(cc -o myprog *.c -lF77 -lI77 -lm)6 1728 1 1008 5709 t
10 R f
(The above)1 430 1 720 5893 t
10 CW f
(-lF77)1187 5893 w
10 R f
(and)1524 5893 w
10 CW f
(-lI77)1705 5893 w
10 R f
(options assume that the ``standard'' Fortran support libraries)7 2511 1 2042 5893 t
10 I f
(libF77)4591 5893 w
10 R f
(and)4896 5893 w
10 I f
(libI77)720 6013 w
10 R f
(are appropriate for use with)4 1110 1 986 6013 t
10 I f
(f 2c)1 138 1 2123 6013 t
10 R f
( \2476\); if)2 274( some systems this is not the case \(as further discussed in)11 2306(. On)1 199 3 2261 6013 t
(one had installed a combination of the appropriate)7 2117 1 720 6133 t
10 I f
(libF77)2878 6133 w
10 R f
(and)3186 6133 w
10 I f
(libI77)3371 6133 w
10 R f
( the)1 164(in the appropriate place, then)4 1225 2 3651 6133 t
(above example might become)3 1195 1 720 6253 t
9 CW f
(f2c *.f)1 378 1 1008 6417 t
(cc -o myprog *.c -lf2c -lm)5 1404 1 1008 6517 t
10 R f
(Sometimes it is desirable to use)5 1269 1 720 6701 t
10 I f
(f 2c)1 138 1 2015 6701 t
10 R f
('s)2153 6701 w
10 CW f
(-R)2251 6701 w
10 R f
(option, which tells)2 744 1 2397 6701 t
10 I f
(f 2c)1 138 1 3167 6701 t
10 R f
( all \257oating-point operations to)4 1247(not to force)2 462 2 3331 6701 t
( might argue that)3 731( \(One)1 266(be done in double precision.)4 1197 3 720 6821 t
10 CW f
(-R)2956 6821 w
10 R f
( \256nd the current)3 683(should be the default, but we)5 1239 2 3118 6821 t
(arrangement more convenient for testing)4 1624 1 720 6941 t
10 I f
(f 2c)1 138 1 2369 6941 t
10 R f
(.\) With)1 308 1 2507 6941 t
10 CW f
(-R)2840 6941 w
10 R f
(speci\256ed, the previous example becomes)4 1633 1 2985 6941 t
9 CW f
(f2c -R *.f)2 540 1 1008 7105 t
(cc -o myprog *.c -lf2c -lm)5 1404 1 1008 7205 t
10 R f
(October 8, 1991)2 646 1 2544 7560 t
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10 R f
(- 7 -)2 166 1 2797 480 t
( is easily done by)4 706( This)1 230(Sometimes it is desirable to translate several Fortran source \256les into a single C \256le.)14 3384 3 720 840 t
(using)720 960 w
10 I f
(f 2c)1 138 1 962 960 t
10 R f
(as a \256lter:)2 394 1 1125 960 t
9 CW f
(cat *.f | f2c >mystuff.c)4 1296 1 1008 1120 t
10 R f
(The)720 1300 w
10 CW f
(-A)904 1300 w
10 R f
(option lets)1 424 1 1053 1300 t
10 I f
(f 2c)1 138 1 1506 1300 t
10 R f
( C when)2 343(use ANSI C constructs [3], which yields more readable)8 2236 2 1673 1300 t
10 CW f
(character)4282 1300 w
10 R f
(vari-)4852 1300 w
( both)1 203( With)1 250(ables are initialized.)2 801 3 720 1420 t
10 CW f
(-A)1999 1420 w
10 R f
(and)2144 1420 w
10 CW f
(-R)2313 1420 w
10 R f
(speci\256ed, the last example becomes)4 1428 1 2458 1420 t
9 CW f
(cat *.f | f2c -A -R >mystuff.c)6 1620 1 1008 1580 t
10 R f
(For use with C++ [15], one would specify)7 1677 1 720 1760 t
10 CW f
(-C++)2422 1760 w
10 R f
(rather than)1 429 1 2687 1760 t
10 CW f
(-A)3141 1760 w
10 R f
(; the last example would then become)6 1509 1 3261 1760 t
9 CW f
(cat *.f | f2c -C++ -R >mystuff.c)6 1728 1 1008 1920 t
10 R f
(The)720 2100 w
10 CW f
(-C++)900 2100 w
10 R f
( of character strings and)4 962(option gives ANSI-style headers and old-style C formatting)7 2384 2 1165 2100 t
10 CW f
(float)4537 2100 w
10 R f
(con-)4863 2100 w
(stants \(since some C++ compilers reject the ANSI versions of these constructs\).)11 3185 1 720 2220 t
10 R f
(With ANSI C, one can use)5 1075 1 720 2376 t
10 I f
(prototypes)1822 2376 w
10 R f
( the calling sequences of procedures,)5 1483(, i.e., a special syntax describing)5 1305 2 2252 2376 t
( make using prototypes convenient, the)5 1595( To)1 167( errors in argument passing.)4 1136(to help catch)2 524 4 720 2496 t
10 CW f
(-P)4173 2496 w
10 R f
(option causes)1 547 1 4324 2496 t
10 I f
(f 2c)1 138 1 4902 2496 t
10 R f
(to create a)2 431 1 720 2616 t
10 I f
(\256le)1187 2616 w
10 CW f
(.P)1309 2616 w
10 R f
( in each input)3 577(of prototypes for the procedures de\256ned)5 1654 2 1465 2616 t
10 I f
(\256le)3733 2616 w
10 CW f
(.f)3855 2616 w
10 R f
(\(or)4012 2616 w
10 I f
(\256le)4165 2616 w
10 CW f
(.F)4287 2616 w
10 R f
(, i.e., the suf\256x)3 633 1 4407 2616 t
(``)720 2736 w
10 CW f
(.f)786 2736 w
10 R f
('' or ``)2 271 1 906 2736 t
10 CW f
(.F)1177 2736 w
10 R f
('' is replaced by ``)4 748 1 1297 2736 t
10 CW f
(.P)2045 2736 w
10 R f
( into a header \256le)4 701( could concatenate all relevant prototype \256les)6 1831(''\). One)1 343 3 2165 2736 t
(and arrange for the header to be)6 1357 1 720 2856 t
10 CW f
(#include)2117 2856 w
10 R f
( Since)1 288( each C \256le compiled.)4 938(d with)1 268 3 2597 2856 t
10 CW f
(-P)4132 2856 w
10 R f
(implies)4293 2856 w
10 CW f
(-A)4629 2856 w
10 R f
(unless)4790 2856 w
10 CW f
(-C++)720 2976 w
10 R f
( current directory to ANSI C and get corre-)8 1755(is speci\256ed, one could convert all the Fortran \256les in the)10 2295 2 990 2976 t
(sponding prototype \256les by issuing the command)6 1967 1 720 3096 t
9 CW f
(f2c -P *.f)2 540 1 1008 3256 t
10 R f
( an argument; thus to specify)5 1177(Several command options may be combined if none but perhaps the last takes)12 3143 2 720 3436 t
10 CW f
(-R)720 3556 w
10 R f
(and get C++ prototypes for all the \256les in the current directory, one could say either)15 3340 1 865 3556 t
9 CW f
(f2c -C++ -P -R *.f)4 972 1 1008 3716 t
10 R f
(or)720 3896 w
9 CW f
(f2c -C++PR *.f)2 756 1 1008 4056 t
10 R f
(or)720 4236 w
9 CW f
(f2c -RPC++ *.f)2 756 1 1008 4396 t
10 R f
(\320 options can come in any order.)6 1356 1 720 4576 t