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* lib/atanl.c (atanl) [HAVE_SAME_LONG_DOUBLE_AS_DOUBLE]: New alternative implementation. * m4/atanl.m4 (gl_FUNC_ATANL): Require gl_LONG_DOUBLE_VS_DOUBLE. Determine ATANL_LIBM according to HAVE_SAME_LONG_DOUBLE_AS_DOUBLE. * modules/atanl (Depends-on): Add atan. Update conditions.
34 lines
525 B
Plaintext
34 lines
525 B
Plaintext
Description:
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atanl() function: inverse tangent function with long double argument.
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Files:
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lib/atanl.c
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m4/atanl.m4
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Depends-on:
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math
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extensions
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atan [test $HAVE_ATANL = 0 && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 1]
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isnanl [test $HAVE_ATANL = 0 && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
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configure.ac:
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gl_FUNC_ATANL
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if test $HAVE_ATANL = 0; then
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AC_LIBOBJ([atanl])
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fi
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gl_MATH_MODULE_INDICATOR([atanl])
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Makefile.am:
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Include:
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<math.h>
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Link:
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$(ATANL_LIBM)
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License:
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LGPL
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Maintainer:
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Paolo Bonzini
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