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811b6ef05c
* lib/math.in.h (ilogbl): New declaration. * lib/ilogbl.c: New file. * m4/ilogbl.m4: New file. * m4/math_h.m4 (gl_MATH_H): Test whether ilogbl is declared. (gl_MATH_H_DEFAULTS): Initialize GNULIB_ILOGBL, HAVE_ILOGBL. * modules/math (Makefile.am): Substitute GNULIB_ILOGBL, HAVE_ILOGBL. Split sed invocation, to avoid the limit of 100 substitutions of HP-UX 'sed'. * modules/ilogbl: New file. * tests/test-math-c++.cc: Check the declaration of ilogbl. * doc/posix-functions/ilogbl.texi: Mention the new module.
38 lines
704 B
Plaintext
38 lines
704 B
Plaintext
Description:
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ilogbl() function: get exponent as integer.
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Files:
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lib/ilogbl.c
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lib/ilogb.c
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m4/ilogbl.m4
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m4/mathfunc.m4
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Depends-on:
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math
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extensions
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ilogb [test $HAVE_ILOGBL = 0 && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 1]
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isfinite [test $HAVE_ILOGBL = 0 && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
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frexpl [test $HAVE_ILOGBL = 0 && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
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isnanl [test $HAVE_ILOGBL = 0 && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
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configure.ac:
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gl_FUNC_ILOGBL
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if test $HAVE_ILOGBL = 0; then
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AC_LIBOBJ([ilogbl])
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fi
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gl_MATH_MODULE_INDICATOR([ilogbl])
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Makefile.am:
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Include:
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<math.h>
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Link:
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$(ILOGBL_LIBM)
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License:
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LGPL
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Maintainer:
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Bruno Haible
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