PR 48915 Abort handling

[pf3gnuchains/gcc-fork.git] / gcc / fortran / intrinsic.texi

diff --git a/gcc/fortran/intrinsic.texi b/gcc/fortran/intrinsic.texi
index 28b5fe8..804b31f 100644 (file)
--- a/gcc/fortran/intrinsic.texi
+++ b/gcc/fortran/intrinsic.texi
@@ -345,10 +345,7 @@ the applicable standard for each intrinsic procedure is noted.
 @table @asis
 @item @emph{Description}:
 @code{ABORT} causes immediate termination of the program.  On operating
-systems that support a core dump, @code{ABORT} will produce a core dump even if
-the option @option{-fno-dump-core} is in effect, which is suitable for debugging
-purposes.
-@c TODO: Check if this (with -fno-dump-core) is correct.
+systems that support a core dump, @code{ABORT} will produce a core dump.
 
 @item @emph{Standard}:
 GNU extension
@@ -2763,7 +2760,7 @@ the @code{COMPILER_OPTIONS} intrinsic.
 @smallexample
    use iso_fortran_env
    print '(4a)', 'This file was compiled by ', &
-                 compiler_version(), ' using the the options ', &
+                 compiler_version(), ' using the options ', &
                  compiler_options()
    end
 @end smallexample
@@ -2805,7 +2802,7 @@ It contains the name of the compiler and its version number.
 @smallexample
    use iso_fortran_env
    print '(4a)', 'This file was compiled by ', &
-                 compiler_version(), ' using the the options ', &
+                 compiler_version(), ' using the options ', &
                  compiler_options()
    end
 @end smallexample
@@ -4285,7 +4282,7 @@ end program test_exit
 @fnindex ZEXP
 @fnindex CDEXP
 @cindex exponential function
-@cindex logarithmic function, inverse
+@cindex logarithm function, inverse
 
 @table @asis
 @item @emph{Description}:
@@ -7766,7 +7763,7 @@ end program test_loc
 
 
 @node LOG
-@section @code{LOG} --- Logarithm function
+@section @code{LOG} --- Natural logarithm function
 @fnindex LOG
 @fnindex ALOG
 @fnindex DLOG
@@ -7774,11 +7771,13 @@ end program test_loc
 @fnindex ZLOG
 @fnindex CDLOG
 @cindex exponential function, inverse
-@cindex logarithmic function
+@cindex logarithm function
+@cindex natural logarithm function
 
 @table @asis
 @item @emph{Description}:
-@code{LOG(X)} computes the logarithm of @var{X}.
+@code{LOG(X)} computes the natural logarithm of @var{X}, i.e. the
+logarithm to the base @math{e}.
 
 @item @emph{Standard}:
 Fortran 77 and later
@@ -7804,9 +7803,9 @@ If @var{X} is @code{COMPLEX}, the imaginary part @math{\omega} is in the range
 @item @emph{Example}:
 @smallexample
 program test_log
-  real(8) :: x = 1.0_8
+  real(8) :: x = 2.7182818284590451_8
   complex :: z = (1.0, 2.0)
-  x = log(x)
+  x = log(x)    ! will yield (approximately) 1
   z = log(z)
 end program test_log
 @end smallexample
@@ -7830,7 +7829,8 @@ end program test_log
 @fnindex ALOG10
 @fnindex DLOG10
 @cindex exponential function, inverse
-@cindex logarithmic function
+@cindex logarithm function with base 10
+@cindex base 10 logarithm function
 
 @table @asis
 @item @emph{Description}: