nuttx/libs/libc/math/lib_llround.c
YAMAMOTO Takashi df812d09a2 math: Make this friendly with libcxx
- Turn some macros into functions

- Implement some type-agnostic functions.
  (Just use __builtin_xxx)

- Add some missing function prototypes
  (Just prototypes, not actually implemented in this commit)
2020-10-25 07:30:14 -07:00

42 lines
1.5 KiB
C

/****************************************************************************
* lib/math/lib_llround.c
*
* 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/compiler.h>
#include <math.h>
/****************************************************************************
* Public Functions
****************************************************************************/
#ifdef CONFIG_HAVE_LONG_LONG
#ifdef CONFIG_HAVE_DOUBLE
long long llround(double x)
{
return (long long)round(x);
}
#endif
#endif