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diff --git a/newlib/libm/mathfp/mathfp.tex b/newlib/libm/mathfp/mathfp.tex deleted file mode 100644 index e7f897a97..000000000 --- a/newlib/libm/mathfp/mathfp.tex +++ /dev/null @@ -1,199 +0,0 @@ -@node Math -@chapter Mathematical Functions (@file{math.h}) - -This chapter groups a wide variety of mathematical functions. The -corresponding definitions and declarations are in @file{math.h}. -Two definitions from @file{math.h} are of particular interest. - -@enumerate -@item -The representation of infinity as a @code{double} is defined as -@code{HUGE_VAL}; this number is returned on overflow by many functions. - -@item -The structure @code{exception} is used when you write customized error -handlers for the mathematical functions. You can customize error -handling for most of these functions by defining your own version of -@code{matherr}; see the section on @code{matherr} for details. -@end enumerate - -@cindex system calls -@cindex support subroutines -@cindex stubs -@cindex OS stubs -Since the error handling code calls @code{fputs}, the mathematical -subroutines require stubs or minimal implementations for the same list -of OS subroutines as @code{fputs}: @code{close}, @code{fstat}, -@code{isatty}, @code{lseek}, @code{read}, @code{sbrk}, @code{write}. -@xref{syscalls,,System Calls, libc.info, The Cygnus C Support Library}, -for a discussion and for sample minimal implementations of these support -subroutines. - -Alternative declarations of the mathematical functions, which exploit -specific machine capabilities to operate faster---but generally have -less error checking and may reflect additional limitations on some -machines---are available when you include @file{fastmath.h} instead of -@file{math.h}. - -@menu -* version:: Version of library -* acos:: Arccosine -* acosh:: Inverse hyperbolic cosine -* asin:: Arcsine -* asinh:: Inverse hyperbolic sine -* atan:: Arctangent -* atan2:: Arctangent of y/x -* atanh:: Inverse hyperbolic tangent -* jN:: Bessel functions (jN, yN) -* cbrt:: Cube root -* copysign:: Sign of Y, magnitude of X -* cosh:: Hyperbolic cosine -* erf:: Error function (erf, erfc) -* exp:: Exponential -* expm1:: Exponential of x, - 1 -* fabs:: Absolute value (magnitude) -* floor:: Floor and ceiling (floor, ceil) -* fmod:: Floating-point remainder (modulo) -* frexp:: Split floating-point number -* gamma:: Logarithmic gamma function -* hypot:: Distance from origin -* ilogb:: Get exponent -* infinity:: Floating infinity -* isnan:: Check type of number -* ldexp:: Load exponent -* log:: Natural logarithms -* log10:: Base 10 logarithms -* log1p:: Log of 1 + X -* matherr:: Modifiable math error handler -* modf:: Split fractional and integer parts -* nan:: Floating Not a Number -* nextafter:: Get next representable number -* pow:: X to the power Y -* remainder:: remainder of X divided by Y -* scalbn:: scalbn -* sin:: Sine or cosine (sin, cos) -* sinh:: Hyperbolic sine -* sqrt:: Positive square root -* tan:: Tangent -* tanh:: Hyperbolic tangent -@end menu - -@page -@node version -@section Version of library - -There are four different versions of the math library routines: IEEE, -POSIX, X/Open, or SVID. The version may be selected at runtime by -setting the global variable @code{_LIB_VERSION}, defined in -@file{math.h}. It may be set to one of the following constants defined -in @file{math.h}: @code{_IEEE_}, @code{_POSIX_}, @code{_XOPEN_}, or -@code{_SVID_}. The @code{_LIB_VERSION} variable is not specific to any -thread, and changing it will affect all threads. - -The versions of the library differ only in how errors are handled. - -In IEEE mode, the @code{matherr} function is never called, no warning -messages are printed, and @code{errno} is never set. - -In POSIX mode, @code{errno} is set correctly, but the @code{matherr} -function is never called and no warning messages are printed. - -In X/Open mode, @code{errno} is set correctly, and @code{matherr} is -called, but warning message are not printed. - -In SVID mode, functions which overflow return 3.40282346638528860e+38, -the maximum single precision floating point value, rather than infinity. -Also, @code{errno} is set correctly, @code{matherr} is called, and, if -@code{matherr} returns 0, warning messages are printed for some errors. -For example, by default @samp{log(-1.0)} writes this message on standard -error output: - -@example -log: DOMAIN error -@end example - -The library is set to X/Open mode by default. - -@page -@include mathfp/sacos.def - -@page -@include mathfp/eacosh.def - -@page -@include mathfp/sasine.def - -@page -@include mathfp/sasinh.def - -@page -@include mathfp/satan.def - -@page -@include mathfp/satan2.def - -@page -@include mathfp/eatanh.def - -@page -@include mathfp/wjn.def - -@page -@include mathfp/scosh.def - -@page -@include mathfp/serf.def - -@page -@include mathfp/sexp.def - -@page -@include mathfp/sfabs.def - -@page -@include mathfp/sfloor.def - -@page -@include mathfp/sfmod.def - -@page -@include mathfp/sfrexp.def - -@page -@include mathfp/erlgamma.def - -@page -@include mathfp/ehypot.def - -@page -@include mathfp/sisnan.def - -@page -@include mathfp/sldexp.def - -@page -@include mathfp/slogarithm.def - -@page -@include mathfp/slog10.def - -@page -@include mathfp/spow.def - -@page -@include mathfp/eremainder.def - -@page -@include mathfp/ssqrt.def - -@page -@include mathfp/ssine.def - -@page -@include mathfp/ssineh.def - -@page -@include mathfp/stan.def - -@page -@include mathfp/stanh.def |