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Diffstat (limited to 'mcon/U/doublesize.U')
| -rw-r--r-- | mcon/U/doublesize.U | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/mcon/U/doublesize.U b/mcon/U/doublesize.U new file mode 100644 index 0000000..f1595a1 --- /dev/null +++ b/mcon/U/doublesize.U @@ -0,0 +1,58 @@ +?RCS: $Id: doublesize.U 167 2013-05-08 17:58:00Z rmanfredi $ +?RCS: +?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi +?RCS: +?RCS: You may redistribute only under the terms of the Artistic License, +?RCS: as specified in the README file that comes with the distribution. +?RCS: You may reuse parts of this distribution only within the terms of +?RCS: that same Artistic License; a copy of which may be found at the root +?RCS: of the source tree for dist 4.0. +?RCS: +?RCS: $Log: doublesize.U,v $ +?RCS: Revision 3.0.1.1 1994/10/29 16:17:06 ram +?RCS: patch36: added ?F: line for metalint file checking +?RCS: +?RCS: Revision 3.0 1993/08/18 12:08:06 ram +?RCS: Baseline for dist 3.0 netwide release. +?RCS: +?MAKE:doublesize: cat rm Myread +cc +ccflags +?MAKE: -pick add $@ %< +?S:doublesize: +?S: This variable contains the value of the DOUBLESIZE symbol, which +?S: indicates to the C program how many bytes there are in a double. +?S:. +?C:DOUBLESIZE: +?C: This symbol contains the size of a double, so that the C preprocessor +?C: can make decisions based on it. +?C:. +?H:#define DOUBLESIZE $doublesize /**/ +?H:. +?F:!try +: check for length of double +echo " " +case "$doublesize" in +'') + echo "Checking to see how big your double precision numbers are..." >&4 + $cat >try.c <<'EOCP' +#include <stdio.h> +int main() +{ + printf("%d\n", sizeof(double)); +} +EOCP + if $cc $ccflags -o try try.c >/dev/null 2>&1 ; then + dflt=`./try` + else + dflt='8' + echo "(I can't seem to compile the test program. Guessing...)" + fi + ;; +*) + dflt="$doublesize" + ;; +esac +rp="What is the size of a double precision number (in bytes)?" +. ./myread +doublesize="$ans" +$rm -f try.c try + |