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math: add portability warnings for classification macros For interfaces which are defined to exist only as macros, implement the proper magic needed to warn if the corresponding gnulib module was not in use. This solution avoids promoting arguments unnecessarily, to allow reuse in case gnulib ever implements fpclassify, since fpclassify(1e-40f) is different than fpclassify(1e-40). * modules/math (Depends-on): Add warn-on-use. (Makefile.am): Provide new substitutions. * m4/math_h.m4 (gl_MATH_H): Require inline. * lib/math.in.h (_GL_WARN_REAL_FLOATING_DECL) (_GL_WARN_REAL_FLOATING_IMPL): New helper macros. (isfinite, isinf, isnan, signbit) [GNULIB_POSIXCHECK]: Use them to implement warnings. Signed-off-by: Eric Blake <ebb9@byu.net>
author Eric Blake <ebb9@byu.net>
date Thu, 31 Dec 2009 13:48:15 -0700
parents f7842310a565
children 73d9dd27dc41
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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8186
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1 Description:
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
2 A GNU-like <math.h>.
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4 Files:
9255
590a8ac4bca4 Rename math_.h to math.in.h.
Bruno Haible <bruno@clisp.org>
parents: 8995
diff changeset
5 lib/math.in.h
8186
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
6 m4/math_h.m4
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
Bruno Haible <bruno@clisp.org>
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diff changeset
7
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
Bruno Haible <bruno@clisp.org>
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diff changeset
8 Depends-on:
12726
d6da6e5f2f62 math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
parents: 12422
diff changeset
9 arg-nonnull
8995
1025663f7658 * m4/include_next.m4 (gl_INCLUDE_NEXT): Define and AC_SUBST
Paul Eggert <eggert@cs.ucla.edu>
parents: 8819
diff changeset
10 include_next
8186
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
11 link-warning
12726
d6da6e5f2f62 math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
parents: 12422
diff changeset
12 warn-on-use
8186
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
Bruno Haible <bruno@clisp.org>
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13
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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14 configure.ac:
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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15 gl_MATH_H
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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diff changeset
16
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
17 Makefile.am:
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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18 BUILT_SOURCES += math.h
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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19
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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diff changeset
20 # We need the following in order to create <math.h> when the system
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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21 # doesn't have one that works with the given compiler.
12726
d6da6e5f2f62 math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
parents: 12422
diff changeset
22 math.h: math.in.h $(LINK_WARNING_H) $(WARN_ON_USE_H) $(ARG_NONNULL_H)
11868
67c2b22aff08 annotate automake snippets with $(AM_V_GEN) and $(AM_V_at)
Jim Meyering <meyering@redhat.com>
parents: 11583
diff changeset
23 $(AM_V_GEN)rm -f $@-t $@ && \
8186
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
24 { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */' && \
10836
08a197428e92 Attempt to work around another AIX 5.3, 6.1 compiler bug with include_next.
Bruno Haible <bruno@clisp.org>
parents: 10667
diff changeset
25 sed -e 's|@''INCLUDE_NEXT_AS_FIRST_DIRECTIVE''@|$(INCLUDE_NEXT_AS_FIRST_DIRECTIVE)|g' \
10375
f96e845fc36d Avoid some "gcc -pedantic" warnings.
Bruno Haible <bruno@clisp.org>
parents: 10287
diff changeset
26 -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
11583
dc80f2cc1327 Second attempt to work around an AIX 5.3, 6.1 compiler bug with include_next.
Eric Blake <ebb9@byu.net>
parents: 10836
diff changeset
27 -e 's|@''NEXT_AS_FIRST_DIRECTIVE_MATH_H''@|$(NEXT_AS_FIRST_DIRECTIVE_MATH_H)|g' \
9295
a19e5992f6f0 New module 'ceilf'.
Bruno Haible <bruno@clisp.org>
parents: 9293
diff changeset
28 -e 's|@''GNULIB_CEILF''@|$(GNULIB_CEILF)|g' \
9297
3191943555eb New module 'ceill'.
Bruno Haible <bruno@clisp.org>
parents: 9295
diff changeset
29 -e 's|@''GNULIB_CEILL''@|$(GNULIB_CEILL)|g' \
9291
5828ff66b473 New module 'floorf'.
Bruno Haible <bruno@clisp.org>
parents: 9287
diff changeset
30 -e 's|@''GNULIB_FLOORF''@|$(GNULIB_FLOORF)|g' \
9293
b4e0b96fc4ba New module 'floorl'.
Bruno Haible <bruno@clisp.org>
parents: 9291
diff changeset
31 -e 's|@''GNULIB_FLOORL''@|$(GNULIB_FLOORL)|g' \
8491
af98e0b44387 New module 'frexp'.
Bruno Haible <bruno@clisp.org>
parents: 8359
diff changeset
32 -e 's|@''GNULIB_FREXP''@|$(GNULIB_FREXP)|g' \
8497
280cabcbb0ca New module 'frexpl'.
Bruno Haible <bruno@clisp.org>
parents: 8491
diff changeset
33 -e 's|@''GNULIB_FREXPL''@|$(GNULIB_FREXPL)|g' \
9423
fa47aa8bb105 Use REPLACE_ISFINITE instead of HAVE_DECL_ISFINITE.
Bruno Haible <bruno@clisp.org>
parents: 9420
diff changeset
34 -e 's|@''GNULIB_ISFINITE''@|$(GNULIB_ISFINITE)|g' \
10287
7a5cfea8469f Add isinf module.
Ben Pfaff <blp@cs.stanford.edu>
parents: 10267
diff changeset
35 -e 's|@''GNULIB_ISINF''@|$(GNULIB_ISINF)|g' \
10267
bf763f10f63c Add isnan module.
Ben Pfaff <blp@cs.stanford.edu>
parents: 9913
diff changeset
36 -e 's|@''GNULIB_ISNAN''@|$(GNULIB_ISNAN)|g' \
10667
678640901735 Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents: 10375
diff changeset
37 -e 's|@''GNULIB_ISNANF''@|$(GNULIB_ISNANF)|g' \
678640901735 Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents: 10375
diff changeset
38 -e 's|@''GNULIB_ISNAND''@|$(GNULIB_ISNAND)|g' \
678640901735 Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents: 10375
diff changeset
39 -e 's|@''GNULIB_ISNANL''@|$(GNULIB_ISNANL)|g' \
8588
84d2dbfe5855 New module 'ldexpl'.
Bruno Haible <bruno@clisp.org>
parents: 8547
diff changeset
40 -e 's|@''GNULIB_LDEXPL''@|$(GNULIB_LDEXPL)|g' \
8186
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
41 -e 's|@''GNULIB_MATHL''@|$(GNULIB_MATHL)|g' \
9375
96fea5b2eb11 Implement 'round', 'roundf', 'roundl' modules.
Ben Pfaff <blp@cs.stanford.edu>
parents: 9297
diff changeset
42 -e 's|@''GNULIB_ROUND''@|$(GNULIB_ROUND)|g' \
96fea5b2eb11 Implement 'round', 'roundf', 'roundl' modules.
Ben Pfaff <blp@cs.stanford.edu>
parents: 9297
diff changeset
43 -e 's|@''GNULIB_ROUNDF''@|$(GNULIB_ROUNDF)|g' \
96fea5b2eb11 Implement 'round', 'roundf', 'roundl' modules.
Ben Pfaff <blp@cs.stanford.edu>
parents: 9297
diff changeset
44 -e 's|@''GNULIB_ROUNDL''@|$(GNULIB_ROUNDL)|g' \
8652
9aabfa2b3200 New module 'signbit'.
Bruno Haible <bruno@clisp.org>
parents: 8588
diff changeset
45 -e 's|@''GNULIB_SIGNBIT''@|$(GNULIB_SIGNBIT)|g' \
9282
9a26e94f946a New module 'trunc'.
Bruno Haible <bruno@clisp.org>
parents: 9255
diff changeset
46 -e 's|@''GNULIB_TRUNC''@|$(GNULIB_TRUNC)|g' \
9285
79e67a783774 New module 'truncf'.
Bruno Haible <bruno@clisp.org>
parents: 9282
diff changeset
47 -e 's|@''GNULIB_TRUNCF''@|$(GNULIB_TRUNCF)|g' \
9287
ec7800681aff New module 'truncl'.
Bruno Haible <bruno@clisp.org>
parents: 9285
diff changeset
48 -e 's|@''GNULIB_TRUNCL''@|$(GNULIB_TRUNCL)|g' \
10667
678640901735 Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents: 10375
diff changeset
49 -e 's|@''HAVE_ISNANF''@|$(HAVE_ISNANF)|g' \
678640901735 Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents: 10375
diff changeset
50 -e 's|@''HAVE_ISNAND''@|$(HAVE_ISNAND)|g' \
678640901735 Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents: 10375
diff changeset
51 -e 's|@''HAVE_ISNANL''@|$(HAVE_ISNANL)|g' \
8359
d8d194025f40 Provide the option to declare the mathl functions also when the 'mathl'
Bruno Haible <bruno@clisp.org>
parents: 8186
diff changeset
52 -e 's|@''HAVE_DECL_ACOSL''@|$(HAVE_DECL_ACOSL)|g' \
d8d194025f40 Provide the option to declare the mathl functions also when the 'mathl'
Bruno Haible <bruno@clisp.org>
parents: 8186
diff changeset
53 -e 's|@''HAVE_DECL_ASINL''@|$(HAVE_DECL_ASINL)|g' \
d8d194025f40 Provide the option to declare the mathl functions also when the 'mathl'
Bruno Haible <bruno@clisp.org>
parents: 8186
diff changeset
54 -e 's|@''HAVE_DECL_ATANL''@|$(HAVE_DECL_ATANL)|g' \
d8d194025f40 Provide the option to declare the mathl functions also when the 'mathl'
Bruno Haible <bruno@clisp.org>
parents: 8186
diff changeset
55 -e 's|@''HAVE_DECL_COSL''@|$(HAVE_DECL_COSL)|g' \
d8d194025f40 Provide the option to declare the mathl functions also when the 'mathl'
Bruno Haible <bruno@clisp.org>
parents: 8186
diff changeset
56 -e 's|@''HAVE_DECL_EXPL''@|$(HAVE_DECL_EXPL)|g' \
d8d194025f40 Provide the option to declare the mathl functions also when the 'mathl'
Bruno Haible <bruno@clisp.org>
parents: 8186
diff changeset
57 -e 's|@''HAVE_DECL_FREXPL''@|$(HAVE_DECL_FREXPL)|g' \
d8d194025f40 Provide the option to declare the mathl functions also when the 'mathl'
Bruno Haible <bruno@clisp.org>
parents: 8186
diff changeset
58 -e 's|@''HAVE_DECL_LDEXPL''@|$(HAVE_DECL_LDEXPL)|g' \
d8d194025f40 Provide the option to declare the mathl functions also when the 'mathl'
Bruno Haible <bruno@clisp.org>
parents: 8186
diff changeset
59 -e 's|@''HAVE_DECL_LOGL''@|$(HAVE_DECL_LOGL)|g' \
d8d194025f40 Provide the option to declare the mathl functions also when the 'mathl'
Bruno Haible <bruno@clisp.org>
parents: 8186
diff changeset
60 -e 's|@''HAVE_DECL_SINL''@|$(HAVE_DECL_SINL)|g' \
d8d194025f40 Provide the option to declare the mathl functions also when the 'mathl'
Bruno Haible <bruno@clisp.org>
parents: 8186
diff changeset
61 -e 's|@''HAVE_DECL_SQRTL''@|$(HAVE_DECL_SQRTL)|g' \
d8d194025f40 Provide the option to declare the mathl functions also when the 'mathl'
Bruno Haible <bruno@clisp.org>
parents: 8186
diff changeset
62 -e 's|@''HAVE_DECL_TANL''@|$(HAVE_DECL_TANL)|g' \
9282
9a26e94f946a New module 'trunc'.
Bruno Haible <bruno@clisp.org>
parents: 9255
diff changeset
63 -e 's|@''HAVE_DECL_TRUNC''@|$(HAVE_DECL_TRUNC)|g' \
9285
79e67a783774 New module 'truncf'.
Bruno Haible <bruno@clisp.org>
parents: 9282
diff changeset
64 -e 's|@''HAVE_DECL_TRUNCF''@|$(HAVE_DECL_TRUNCF)|g' \
9420
9e0484f26251 Fix link errors with Sun C 5.0 on Solaris 10.
Bruno Haible <bruno@clisp.org>
parents: 9414
diff changeset
65 -e 's|@''REPLACE_CEILF''@|$(REPLACE_CEILF)|g' \
9e0484f26251 Fix link errors with Sun C 5.0 on Solaris 10.
Bruno Haible <bruno@clisp.org>
parents: 9414
diff changeset
66 -e 's|@''REPLACE_CEILL''@|$(REPLACE_CEILL)|g' \
9e0484f26251 Fix link errors with Sun C 5.0 on Solaris 10.
Bruno Haible <bruno@clisp.org>
parents: 9414
diff changeset
67 -e 's|@''REPLACE_FLOORF''@|$(REPLACE_FLOORF)|g' \
9e0484f26251 Fix link errors with Sun C 5.0 on Solaris 10.
Bruno Haible <bruno@clisp.org>
parents: 9414
diff changeset
68 -e 's|@''REPLACE_FLOORL''@|$(REPLACE_FLOORL)|g' \
8491
af98e0b44387 New module 'frexp'.
Bruno Haible <bruno@clisp.org>
parents: 8359
diff changeset
69 -e 's|@''REPLACE_FREXP''@|$(REPLACE_FREXP)|g' \
8547
658be4e4521a Provide a replacement for frexpl() if the system has it but it doesn't work.
Bruno Haible <bruno@clisp.org>
parents: 8497
diff changeset
70 -e 's|@''REPLACE_FREXPL''@|$(REPLACE_FREXPL)|g' \
9898
02bfc9acab82 Work around Solaris 10 math.h bug.
Eric Blake <ebb9@byu.net>
parents: 9645
diff changeset
71 -e 's|@''REPLACE_HUGE_VAL''@|$(REPLACE_HUGE_VAL)|g' \
9423
fa47aa8bb105 Use REPLACE_ISFINITE instead of HAVE_DECL_ISFINITE.
Bruno Haible <bruno@clisp.org>
parents: 9420
diff changeset
72 -e 's|@''REPLACE_ISFINITE''@|$(REPLACE_ISFINITE)|g' \
10287
7a5cfea8469f Add isinf module.
Ben Pfaff <blp@cs.stanford.edu>
parents: 10267
diff changeset
73 -e 's|@''REPLACE_ISINF''@|$(REPLACE_ISINF)|g' \
10267
bf763f10f63c Add isnan module.
Ben Pfaff <blp@cs.stanford.edu>
parents: 9913
diff changeset
74 -e 's|@''REPLACE_ISNAN''@|$(REPLACE_ISNAN)|g' \
8588
84d2dbfe5855 New module 'ldexpl'.
Bruno Haible <bruno@clisp.org>
parents: 8547
diff changeset
75 -e 's|@''REPLACE_LDEXPL''@|$(REPLACE_LDEXPL)|g' \
9898
02bfc9acab82 Work around Solaris 10 math.h bug.
Eric Blake <ebb9@byu.net>
parents: 9645
diff changeset
76 -e 's|@''REPLACE_NAN''@|$(REPLACE_NAN)|g' \
9465
4a3319c82e39 Use REPLACE_ROUND instead of HAVE_DECL_ROUND.
Bruno Haible <bruno@clisp.org>
parents: 9423
diff changeset
77 -e 's|@''REPLACE_ROUND''@|$(REPLACE_ROUND)|g' \
4a3319c82e39 Use REPLACE_ROUND instead of HAVE_DECL_ROUND.
Bruno Haible <bruno@clisp.org>
parents: 9423
diff changeset
78 -e 's|@''REPLACE_ROUNDF''@|$(REPLACE_ROUNDF)|g' \
4a3319c82e39 Use REPLACE_ROUND instead of HAVE_DECL_ROUND.
Bruno Haible <bruno@clisp.org>
parents: 9423
diff changeset
79 -e 's|@''REPLACE_ROUNDL''@|$(REPLACE_ROUNDL)|g' \
8652
9aabfa2b3200 New module 'signbit'.
Bruno Haible <bruno@clisp.org>
parents: 8588
diff changeset
80 -e 's|@''REPLACE_SIGNBIT''@|$(REPLACE_SIGNBIT)|g' \
9645
c8174371956e Exploit the __builtin_signbit GCC built-in.
Bruno Haible <bruno@clisp.org>
parents: 9465
diff changeset
81 -e 's|@''REPLACE_SIGNBIT_USING_GCC''@|$(REPLACE_SIGNBIT_USING_GCC)|g' \
9913
d3f5a70dc1ba Make truncl work on OSF/1 4.0.
Bruno Haible <bruno@clisp.org>
parents: 9898
diff changeset
82 -e 's|@''REPLACE_TRUNCL''@|$(REPLACE_TRUNCL)|g' \
8186
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
83 -e '/definition of GL_LINK_WARNING/r $(LINK_WARNING_H)' \
12422
f7842310a565 New module 'arg-nonnull'. Declare which arguments expect non-NULL values.
Bruno Haible <bruno@clisp.org>
parents: 12410
diff changeset
84 -e '/definition of _GL_ARG_NONNULL/r $(ARG_NONNULL_H)' \
12726
d6da6e5f2f62 math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
parents: 12422
diff changeset
85 -e '/definition of _GL_WARN_ON_USE/r $(WARN_ON_USE_H)' \
9255
590a8ac4bca4 Rename math_.h to math.in.h.
Bruno Haible <bruno@clisp.org>
parents: 8995
diff changeset
86 < $(srcdir)/math.in.h; \
11868
67c2b22aff08 annotate automake snippets with $(AM_V_GEN) and $(AM_V_at)
Jim Meyering <meyering@redhat.com>
parents: 11583
diff changeset
87 } > $@-t && \
8186
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
Bruno Haible <bruno@clisp.org>
parents:
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88 mv $@-t $@
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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parents:
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89 MOSTLYCLEANFILES += math.h math.h-t
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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90
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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91 Include:
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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92 <math.h>
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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93
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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94 License:
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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parents:
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95 LGPL
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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96
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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97 Maintainer:
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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parents:
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98 all