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| author | rmanfredi <rmanfredi@190e5f8e-a817-0410-acf6-e9863daed9af> | 2006-08-24 12:32:52 +0000 |
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| committer | rmanfredi <rmanfredi@190e5f8e-a817-0410-acf6-e9863daed9af> | 2006-08-24 12:32:52 +0000 |
| commit | 8bfc5756fb68e0b13d7e7c0073ad5b9a4790d1b6 (patch) | |
| tree | dee05e98bc53766d609ef2a3a07a5672627d812c /mcon/U/floatsize.U | |
Moving project to sourceforge.
git-svn-id: https://dist.svn.sourceforge.net/svnroot/dist/trunk/dist@1 190e5f8e-a817-0410-acf6-e9863daed9af
Diffstat (limited to 'mcon/U/floatsize.U')
| -rw-r--r-- | mcon/U/floatsize.U | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/mcon/U/floatsize.U b/mcon/U/floatsize.U new file mode 100644 index 0000000..efc958a --- /dev/null +++ b/mcon/U/floatsize.U @@ -0,0 +1,58 @@ +?RCS: $Id$ +?RCS: +?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi +?RCS: +?RCS: You may redistribute only under the terms of the Artistic Licence, +?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 Licence; a copy of which may be found at the root +?RCS: of the source tree for dist 4.0. +?RCS: +?RCS: $Log: floatsize.U,v $ +?RCS: Revision 3.0.1.1 1994/10/29 16:17:09 ram +?RCS: patch36: added ?F: line for metalint file checking +?RCS: +?RCS: Revision 3.0 1993/08/18 12:08:09 ram +?RCS: Baseline for dist 3.0 netwide release. +?RCS: +?MAKE:floatsize: cat rm Myread +cc +ccflags +?MAKE: -pick add $@ %< +?S:floatsize: +?S: This variable contains the value of the FLOATSIZE symbol, which +?S: indicates to the C program how many bytes there are in a float. +?S:. +?C:FLOATSIZE: +?C: This symbol contains the size of a float, so that the C preprocessor +?C: can make decisions based on it. +?C:. +?H:#define FLOATSIZE $floatsize /**/ +?H:. +?F:!try +: check for length of float +echo " " +case "$floatsize" in +'') + echo "Checking to see how big your floating point numbers are..." >&4 + $cat >try.c <<'EOCP' +#include <stdio.h> +int main() +{ + printf("%d\n", sizeof(float)); +} +EOCP + if $cc $ccflags -o try try.c >/dev/null 2>&1 ; then + dflt=`./try` + else + dflt='4' + echo "(I can't seem to compile the test program. Guessing...)" + fi + ;; +*) + dflt="$floatsize" + ;; +esac +rp="What is the size of a floating point number (in bytes)?" +. ./myread +floatsize="$ans" +$rm -f try.c try + |