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fix .gitignore: only ignore 'perl' in root of repo, not U/perl subdir
[metaconfig.git] / U / perl / d_ilogb.U
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1?RCS: You may distribute under the terms of either the GNU General Public
2?RCS: License or the Artistic License, as specified in the README file.
3?RCS:
4?MAKE:d_ilogb: Inlibc
5?MAKE: -pick add $@ %<
6?S:d_ilogb:
7?S: This variable conditionally defines the HAS_ILOGB symbol, which
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8?S: indicates to the C program that the ilogb() routine is available
9?S: for extracting the exponent of double x as a signed integer.
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10?S:.
11?C:HAS_ILOGB:
12?C: This symbol, if defined, indicates that the ilogb routine is
13?C: available to get integer exponent of a floating-point value.
14?C:.
15?H:#$d_ilogb HAS_ILOGB /**/
16?H:.
17?LINT:set d_ilogb
18: see if ilogb exists
19set ilogb d_ilogb
20eval $inlibc
21