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Bruno Haible
6ee553a6cc
Reported by Mohammad-Reza Nabipoor <mnabipoor@gnu.org> in <https://lists.gnu.org/archive/html/bug-gnulib/2026-04/msg00136.html>. * m4/strtof.m4 (gl_FUNC_STRTOF): Add test whether strtod works on signed NaNs. * m4/strtod.m4 (gl_FUNC_STRTOD): Likewise. * m4/strtold.m4 (gl_FUNC_STRTOLD): Likewise. * lib/strtod.c: Include isnan?-nolibm.h. (HAS_MINUS_NAN_BUG): New macro. (STRTOD): Add separate implementation for HAS_MINUS_NAN_BUG. * modules/strtof (Files): Add m4/signbit.m4. (Depends-on): Add isnanf-nolibm, signbit-no-c++. * modules/strtod (Files): Add m4/signbit.m4. (Depends-on): Add isnand-nolibm, signbit-no-c++. * modules/strtold (Files): Add m4/signbit.m4. (Depends-on): Add isnanl-nolibm, signbit-no-c++. * tests/test-strtof.h (test_function): Enable the test of sign bits of NaN. * tests/test-strtod.h (test_function): Likewise. * tests/test-strtold.h (test_function): Likewise. * doc/posix-functions/strtof.texi: Document the bug regarding "-nan". * doc/posix-functions/strtod.texi: Likewise. * doc/posix-functions/strtold.texi: Likewise.
42 lines
861 B
Plaintext
42 lines
861 B
Plaintext
Description:
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strtof() function: convert string to 'float'.
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Files:
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lib/strtof.c
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lib/strtod.c
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m4/strtof.m4
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m4/signbit.m4
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m4/ldexpf.m4
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Depends-on:
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stdlib-h
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c-ctype [test $HAVE_STRTOF = 0 || test $REPLACE_STRTOF = 1]
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math-h [test $HAVE_STRTOF = 0 || test $REPLACE_STRTOF = 1]
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bool [test $HAVE_STRTOF = 0 || test $REPLACE_STRTOF = 1]
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isinf-no-c++ [test $HAVE_STRTOF = 0 || test $REPLACE_STRTOF = 1]
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isnanf-nolibm [test $REPLACE_STRTOF = 1]
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signbit-no-c++ [test $REPLACE_STRTOF = 1]
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configure.ac:
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gl_FUNC_STRTOF
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gl_CONDITIONAL([GL_COND_OBJ_STRTOF],
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[test $HAVE_STRTOF = 0 || test $REPLACE_STRTOF = 1])
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AM_COND_IF([GL_COND_OBJ_STRTOF], [
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gl_PREREQ_STRTOF
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])
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gl_STDLIB_MODULE_INDICATOR([strtof])
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Makefile.am:
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if GL_COND_OBJ_STRTOF
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lib_SOURCES += strtof.c
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endif
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Include:
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<stdlib.h>
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License:
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LGPL
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Maintainer:
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all
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