xref: /freebsd/contrib/llvm-project/libcxx/include/cfloat (revision 0fca6ea1d4eea4c934cfff25ac9ee8ad6fe95583)
10b57cec5SDimitry Andric// -*- C++ -*-
2349cc55cSDimitry Andric//===----------------------------------------------------------------------===//
30b57cec5SDimitry Andric//
40b57cec5SDimitry Andric// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
50b57cec5SDimitry Andric// See https://llvm.org/LICENSE.txt for license information.
60b57cec5SDimitry Andric// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
70b57cec5SDimitry Andric//
80b57cec5SDimitry Andric//===----------------------------------------------------------------------===//
90b57cec5SDimitry Andric
100b57cec5SDimitry Andric#ifndef _LIBCPP_CFLOAT
110b57cec5SDimitry Andric#define _LIBCPP_CFLOAT
120b57cec5SDimitry Andric
130b57cec5SDimitry Andric/*
140b57cec5SDimitry Andric    cfloat synopsis
150b57cec5SDimitry Andric
160b57cec5SDimitry AndricMacros:
170b57cec5SDimitry Andric
180b57cec5SDimitry Andric    FLT_ROUNDS
190b57cec5SDimitry Andric    FLT_EVAL_METHOD     // C99
200b57cec5SDimitry Andric    FLT_RADIX
210b57cec5SDimitry Andric
220b57cec5SDimitry Andric    FLT_HAS_SUBNORM     // C11
230b57cec5SDimitry Andric    DBL_HAS_SUBNORM     // C11
240b57cec5SDimitry Andric    LDBL_HAS_SUBNORM    // C11
250b57cec5SDimitry Andric
260b57cec5SDimitry Andric    FLT_MANT_DIG
270b57cec5SDimitry Andric    DBL_MANT_DIG
280b57cec5SDimitry Andric    LDBL_MANT_DIG
290b57cec5SDimitry Andric
300b57cec5SDimitry Andric    DECIMAL_DIG         // C99
310b57cec5SDimitry Andric    FLT_DECIMAL_DIG     // C11
320b57cec5SDimitry Andric    DBL_DECIMAL_DIG     // C11
330b57cec5SDimitry Andric    LDBL_DECIMAL_DIG    // C11
340b57cec5SDimitry Andric
350b57cec5SDimitry Andric    FLT_DIG
360b57cec5SDimitry Andric    DBL_DIG
370b57cec5SDimitry Andric    LDBL_DIG
380b57cec5SDimitry Andric
390b57cec5SDimitry Andric    FLT_MIN_EXP
400b57cec5SDimitry Andric    DBL_MIN_EXP
410b57cec5SDimitry Andric    LDBL_MIN_EXP
420b57cec5SDimitry Andric
430b57cec5SDimitry Andric    FLT_MIN_10_EXP
440b57cec5SDimitry Andric    DBL_MIN_10_EXP
450b57cec5SDimitry Andric    LDBL_MIN_10_EXP
460b57cec5SDimitry Andric
470b57cec5SDimitry Andric    FLT_MAX_EXP
480b57cec5SDimitry Andric    DBL_MAX_EXP
490b57cec5SDimitry Andric    LDBL_MAX_EXP
500b57cec5SDimitry Andric
510b57cec5SDimitry Andric    FLT_MAX_10_EXP
520b57cec5SDimitry Andric    DBL_MAX_10_EXP
530b57cec5SDimitry Andric    LDBL_MAX_10_EXP
540b57cec5SDimitry Andric
550b57cec5SDimitry Andric    FLT_MAX
560b57cec5SDimitry Andric    DBL_MAX
570b57cec5SDimitry Andric    LDBL_MAX
580b57cec5SDimitry Andric
590b57cec5SDimitry Andric    FLT_EPSILON
600b57cec5SDimitry Andric    DBL_EPSILON
610b57cec5SDimitry Andric    LDBL_EPSILON
620b57cec5SDimitry Andric
630b57cec5SDimitry Andric    FLT_MIN
640b57cec5SDimitry Andric    DBL_MIN
650b57cec5SDimitry Andric    LDBL_MIN
660b57cec5SDimitry Andric
670b57cec5SDimitry Andric    FLT_TRUE_MIN        // C11
680b57cec5SDimitry Andric    DBL_TRUE_MIN        // C11
690b57cec5SDimitry Andric    LDBL_TRUE_MIN       // C11
700b57cec5SDimitry Andric*/
710b57cec5SDimitry Andric
720b57cec5SDimitry Andric#include <__config>
73*bdd1243dSDimitry Andric
740b57cec5SDimitry Andric#include <float.h>
750b57cec5SDimitry Andric
76*bdd1243dSDimitry Andric#ifndef _LIBCPP_FLOAT_H
77*bdd1243dSDimitry Andric#   error <cfloat> tried including <float.h> but didn't find libc++'s <float.h> header. \
78*bdd1243dSDimitry Andric          This usually means that your header search paths are not configured properly. \
79*bdd1243dSDimitry Andric          The header search paths should contain the C++ Standard Library headers before \
80*bdd1243dSDimitry Andric          any C Standard Library, and you are probably using compiler flags that make that \
81*bdd1243dSDimitry Andric          not be the case.
82*bdd1243dSDimitry Andric#endif
83*bdd1243dSDimitry Andric
840b57cec5SDimitry Andric#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
850b57cec5SDimitry Andric#  pragma GCC system_header
860b57cec5SDimitry Andric#endif
870b57cec5SDimitry Andric
880b57cec5SDimitry Andric#endif // _LIBCPP_CFLOAT
89