nuttx/include/fenv.h
Huang Qi fe992a5b6c libc: Implement fesetround & fegetround for arm
Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
2021-06-24 08:47:34 -03:00

44 lines
1.7 KiB
C

/****************************************************************************
* include/fenv.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __INCLUDE_FENV_H
#define __INCLUDE_FENV_H
/****************************************************************************
* Included Files
****************************************************************************/
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define FE_TONEAREST 0
#define FE_DOWNWARD 1
#define FE_UPWARD 2
#define FE_TOWARDZERO 3
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
int fegetround(void);
int fesetround(int round);
#endif /* __INCLUDE_FENV_H */