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libm_double (3)
  • >> libm_double (3) ( Solaris man: Библиотечные вызовы )
  • 
    NAME
         libm_double - FORTRAN access to double precision libm  func-
         tions and subroutines
    
    SYNOPSIS
         Example for non-intrinsics:
         DOUBLE PRECISION c, d_acosh, d_hypot, d_infinity, s, x, y, z
           ...
         z = d_acosh( x )
         i = id_finite( x )
         z = d_hypot( x, y )
         z = d_infinity()
         CALL d_sincos( x, s, c )
    
         Put any function used into a DOUBLE PRECISION statement.
    
    DESCRIPTION
         These subprograms provide access to  double  precision  libm
         functions  and  subroutines.  asind(x),  sind(x),  and so on
         involve degrees, rather than radians.
    
    INTRINSICS
         The following FORTRAN intrinsic functions return double pre-
         cision  values if their arguments are double precision.  You
         need not put them in a  type  statement.   If  the  function
         needed  is available as an intrinsic function, it is simpler
         to use an intrinsic than a non-intrinsic function.
    
         The variables x and y are of type double precision.
    
         sqrt(x)    asin(x)      acosd(x)*
         log(x)     acos(x)      asind(x)*
         log10(x)   atan(x)      acosd(x)*
         exp(x)     atan2(x,y)   atand(x)*
         x**y       sinh(x)      atan2d(x,y)*
         sin(x)     cosh(x)*     aint(x)
         cos(x)     tanh(x)*     anint(x)
         tan(x)     sind(x)*     nint(x)
    
         * = nonstandard: it is an extension that this is intrinsic
    
    
    
    NON-INTRINSIC FUNCTIONS AND SUBROUTINES
         In general, these functions do not  correspond  to  standard
         FORTRAN generic intrinsic functions, so their data types are
         determined by the usual FORTRAN data typing rules.
    
         Caveat:  If you use one of these DOUBLE PRECISION functions,
         put it into a DOUBLE PRECISION statement, or type it by some
         IMPLICIT statement).
    
         For meanings of routines and arguments, do a man command  on
         the routine name without the d_; the output is a C man page,
         but the meanings are the same.
    
         The variables c, l, p, s, u, x, and y are double precision.
    
         d_acos( x )                double precision    function
         d_acosd( x )               double precision    function
         d_acosh( x )               double precision    function
         d_acosp( x )               double precision    function
         d_acospi( x )              double precision    function
    
         d_atan( x )                double precision    function
         d_atand( x )               double precision    function
         d_atanh( x )               double precision    function
         d_atanp( x )               double precision    function
         d_atanpi( x )              double precision    function
    
         d_asin( x )                double precision    function
         d_asind( x )               double precision    function
         d_asinh( x )               double precision    function
         d_asinp( x )               double precision    function
         d_asinpi( x )              double precision    function
    
         d_atan2(( y, x )           double precision    function
         d_atan2d( y, x )           double precision    function
         d_atan2pi( y, x )          double precision    function
    
         d_cbrt( x )                double precision    function
         d_ceil( x )                double precision    function
         d_copysign( x, y )         double precision    function
    
         d_cos( x )                 double precision    function
         d_cosd( x )                double precision    function
         d_cosh( x )                double precision    function
         d_cosp( x )                double precision    function
         d_cospi( x )               double precision    function
    
         d_erf( x )                 double precision    function
         d_erfc( x )                double precision    function
         d_expm1( x )               double precision    function
         d_floor( x )               double precision    function
         d_hypot( x, y )            double precision    function
         d_infinity( )              double precision    function
    
         d_j0( x )                  double precision    function
         d_j1( x )                  double precision    function
         d_jn( x )                  double precision    function
    
         id_finite( x )             integer             function
         id_fp_class( x )           integer             function
         id_ilogb( x )              integer             function
         id_irint( x )              integer             function
         id_isinf( x )              integer             function
         id_isnan( x )              integer             function
         id_isnormal( x )           integer             function
         id_issubnormal( x )        integer             function
         id_iszero( x )             integer             function
         id_signbit( x  )           integer             function
    
         d_addran()                 double precision    function
         d_addrans( x, p, l, u )    n/a                 subroutine
         d_lcran()                  double precision    function
         d_lcrans( x, p, l, u )     n/a                 subroutine
         d_shufrans(x, p, l, u)     n/a                 subroutine
    
         d_lgamma( x )              double precision    function
         d_logb( x )                double precision    function
         d_log1p( x )               double precision    function
         d_log2( x )                double precision    function
    
         d_max_normal()             double precision    function
         d_max_subnormal()          double precision    function
         d_min_normal()             double precision    function
         d_min_subnormal()          double precision    function
         d_nextafter( x, y )        double precision    function
         d_quiet_nan( n )           double precision    function
         d_remainder( x, y )        double precision    function
         d_rint( x )                double precision    function
         d_scalb( x, y )            double precision    function
         d_scalbn( x, n )           double precision    function
         d_signaling_nan( n )       double precision    function
         d_significand( x )         double precision    function
    
         d_sin( x )                 double precision    function
         d_sind( x )                double precision    function
         d_sinh( x )                double precision    function
         d_sinp( x )                double precision    function
         d_sinpi( x )               double precision    function
    
         d_sincos( x, s, c )        n/a                 subroutine
         d_sincosd( x, s, c )       n/a                 subroutine
         d_sincosp( x, s, c )       n/a                 subroutine
         d_sincospi( x, s, c )      n/a                 subroutine
    
         d_tan( x )                 double precision    function
         d_tand( x )                double precision    function
         d_tanh( x )                double precision    function
         d_tanp( x )                double precision    function
         d_tanpi( x )               double precision    function
    
         d_y0( x )                  double precision    function
         d_y1( x )                  double precision    function
         d_yn( n,x )                double precision    function
    
         If you need to use any other double precision libm function,
         you can call a C function that calls the libm function.
    
    FILES
         libm.a
    
    SEE ALSO
         intro(3M)
         FORTRAN 77 Reference Manual
         Numerical Computation Guide
    
    
    
    


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