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libc/math: Add fmax and fmin functions

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Add fmax and fmin functions.
- fmax, fmaxf, fmaxl
- fmin, fminf, fminl
This commit is contained in:
SPRESENSE 2021-07-10 21:03:05 +09:00 committed by Alan Carvalho de Assis
parent 61cb524fa2
commit 012158cce8
7 changed files with 232 additions and 0 deletions
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2
libs/libc/math/Make.defs
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@ -52,6 +52,8 @@ CSRCS += lib_expm1.c lib_expm1f.c lib_expm1l.c
CSRCS += lib_lround.c lib_lroundf.c lib_lroundl.c
CSRCS += lib_llround.c lib_llroundf.c lib_llroundl.c
CSRCS += lib_nan.c lib_nanf.c lib_nanl.c
CSRCS += lib_fmax.c lib_fmaxf.c lib_fmaxl.c
CSRCS += lib_fmin.c lib_fminf.c lib_fminl.c
CSRCS += __cos.c __sin.c lib_gamma.c lib_lgamma.c

39
libs/libc/math/lib_fmax.c Normal file
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@ -0,0 +1,39 @@
/****************************************************************************
* libs/libc/math/lib_fmax.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_DOUBLE
double fmax(double x, double y)
{
return ((x > y) ? x : y);
}
#endif

37
libs/libc/math/lib_fmaxf.c Normal file
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@ -0,0 +1,37 @@
/****************************************************************************
* libs/libc/math/lib_fmaxf.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
****************************************************************************/
float fmaxf(float x, float y)
{
return ((x > y) ? x : y);
}

39
libs/libc/math/lib_fmaxl.c Normal file
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@ -0,0 +1,39 @@
/****************************************************************************
* libs/libc/math/lib_fmaxl.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_DOUBLE
long double fmaxl(long double x, long double y)
{
return ((x > y) ? x : y);
}
#endif

39
libs/libc/math/lib_fmin.c Normal file
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@ -0,0 +1,39 @@
/****************************************************************************
* libs/libc/math/lib_fmin.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_DOUBLE
double fmin(double x, double y)
{
return ((x < y) ? x : y);
}
#endif

37
libs/libc/math/lib_fminf.c Normal file
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@ -0,0 +1,37 @@
/****************************************************************************
* libs/libc/math/lib_fminf.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
****************************************************************************/
float fminf(float x, float y)
{
return ((x < y) ? x : y);
}

39
libs/libc/math/lib_fminl.c Normal file
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@ -0,0 +1,39 @@
/****************************************************************************
* libs/libc/math/lib_fminl.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_DOUBLE
long double fminl(long double x, long double y)
{
return ((x < y) ? x : y);
}
#endif