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* modules/math-h: Renamed from modules/math. * modules/math-h-tests: Renamed from modules/math-tests. * modules/math-h-c++-tests: Renamed from modules/math-c++-tests. * tests/test-math-h.c: Renamed from tests/test-math.c. * tests/test-math-h-c++.cc: Renamed from tests/test-math-c++.cc. * tests/test-math-h-c++2.cc: Renamed from tests/test-math-c++2.cc. * doc/posix-headers/math.texi: Update. * modules/* (Depends-on): Update. * modules/math: New file.
38 lines
609 B
Plaintext
38 lines
609 B
Plaintext
Description:
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log2() function: base 2 logarithm.
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Files:
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lib/log2.c
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m4/log2.m4
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m4/mathfunc.m4
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Depends-on:
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math-h
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extensions
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isnand [test $HAVE_LOG2 = 0 || test $REPLACE_LOG2 = 1]
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frexp [test $HAVE_LOG2 = 0 || test $REPLACE_LOG2 = 1]
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log [test $HAVE_LOG2 = 0 || test $REPLACE_LOG2 = 1]
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configure.ac:
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gl_FUNC_LOG2
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gl_CONDITIONAL([GL_COND_OBJ_LOG2],
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[test $HAVE_LOG2 = 0 || test $REPLACE_LOG2 = 1])
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gl_MATH_MODULE_INDICATOR([log2])
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Makefile.am:
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if GL_COND_OBJ_LOG2
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lib_SOURCES += log2.c
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endif
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Include:
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<math.h>
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Link:
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$(LOG2_LIBM)
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License:
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LGPL
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Maintainer:
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all
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