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* lib/math.in.h (ilogbf): New declaration. * lib/ilogbf.c: New file. * m4/ilogbf.m4: New file. * m4/math_h.m4 (gl_MATH_H): Test whether ilogbf is declared. (gl_MATH_H_DEFAULTS): Initialize GNULIB_ILOGBF, HAVE_ILOGBF, REPLACE_ILOGBF. * modules/math (Makefile.am): Substitute GNULIB_ILOGBF, HAVE_ILOGBF, REPLACE_ILOGBF. * modules/ilogbf: New file. * tests/test-math-c++.cc: Check the declaration of ilogbf. * doc/posix-functions/ilogbf.texi: Mention the new module.
37 lines
596 B
Plaintext
37 lines
596 B
Plaintext
Description:
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ilogbf() function: get exponent as integer.
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Files:
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lib/ilogbf.c
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lib/ilogb.c
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m4/ilogbf.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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isfinite [test $HAVE_ILOGBF = 0 || test $REPLACE_ILOGBF = 1]
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frexpf [test $HAVE_ILOGBF = 0 || test $REPLACE_ILOGBF = 1]
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isnanf [test $HAVE_ILOGBF = 0 || test $REPLACE_ILOGBF = 1]
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configure.ac:
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gl_FUNC_ILOGBF
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if test $HAVE_ILOGBF = 0 || test $REPLACE_ILOGBF = 1; then
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AC_LIBOBJ([ilogbf])
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fi
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gl_MATH_MODULE_INDICATOR([ilogbf])
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Makefile.am:
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Include:
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<math.h>
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Link:
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$(ILOGBF_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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