printf()

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Article #53109

#53109

From: Konrad Hinsen
Date: Thu, 05 Mar 1992 19:21

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If my knowledge of the ANSI specifications is correct, printf() and its
relatives should produce +Inf, -Inf or NaN for the respective special
floating-point bit patterns. The GNU library (I am using patchlevel 75 on the
Atari ST with GNU-C 1.40) interprets these bit patterns as normal floating
point values, giving e.g. 1.79769e308 instead of +Inf for HUGE_VAL. Since I
have a program that relies on detecting Inf and NaN from printf() output, I
would like to change the GNU printf().

Has anyone already done that and could give some advice?

Konrad Hinsen
(konrad@thphys.physik.rwth-aachen.de or konrad_hinsen@ac2.maus.de)

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From: Konrad_Hinsen@ac2.maus.de (Konrad Hinsen)
Newsgroups: gnu.gcc.help
Subject: printf()
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Date: 5 Mar 92 19:21:00 GMT
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