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* lib/math.in.h (exp2): New declaration. * lib/exp2.c: New file. * m4/exp2.m4: New file. * m4/math_h.m4 (gl_MATH_H): Test whether exp2 is declared. (gl_MATH_H_DEFAULTS): Initialize GNULIB_EXP2, HAVE_DECL_EXP2, REPLACE_EXP2. * modules/math (Makefile.am): Substitute GNULIB_EXP2, HAVE_DECL_EXP2, REPLACE_EXP2. * modules/exp2: New file. * tests/test-math-c++.cc: Check the declaration of exp2. * doc/posix-functions/exp2.texi: Mention the new module and the IRIX and OpenBSD problems.
36 lines
558 B
Plaintext
36 lines
558 B
Plaintext
Description:
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exp2() function: exponential base 2 function.
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Files:
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lib/exp2.c
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m4/exp2.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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isnand [test $HAVE_EXP2 = 0 || test $REPLACE_EXP2 = 1]
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round [test $HAVE_EXP2 = 0 || test $REPLACE_EXP2 = 1]
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ldexp [test $HAVE_EXP2 = 0 || test $REPLACE_EXP2 = 1]
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configure.ac:
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gl_FUNC_EXP2
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if test $HAVE_EXP2 = 0 || test $REPLACE_EXP2 = 1; then
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AC_LIBOBJ([exp2])
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fi
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gl_MATH_MODULE_INDICATOR([exp2])
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Makefile.am:
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Include:
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<math.h>
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Link:
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$(EXP2_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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