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xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git
The following commit(s) were added to refs/heads/master by this push:
new df812d0 math: Make this friendly with libcxx
df812d0 is described below
commit df812d09a219495a8ba1d0c30a2e9ebc05c37f3b
Author: YAMAMOTO Takashi <yamam...@midokura.com>
AuthorDate: Thu Oct 22 16:13:29 2020 +0900
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)
---
include/nuttx/lib/math.h | 205 ++++++++++++++++++++++++++++++++++++++----
libs/libc/math/Make.defs | 6 ++
libs/libc/math/lib_erfc.c | 39 ++++++++
libs/libc/math/lib_erfcf.c | 37 ++++++++
libs/libc/math/lib_erfcl.c | 39 ++++++++
libs/libc/math/lib_expm1.c | 39 ++++++++
libs/libc/math/lib_expm1f.c | 37 ++++++++
libs/libc/math/lib_expm1l.c | 39 ++++++++
libs/libc/math/lib_llround.c | 41 +++++++++
libs/libc/math/lib_llroundf.c | 39 ++++++++
libs/libc/math/lib_llroundl.c | 41 +++++++++
libs/libc/math/lib_lround.c | 39 ++++++++
libs/libc/math/lib_lroundf.c | 37 ++++++++
libs/libc/math/lib_lroundl.c | 39 ++++++++
libs/libc/math/lib_nan.c | 39 ++++++++
libs/libc/math/lib_nanf.c | 37 ++++++++
libs/libc/math/lib_nanl.c | 39 ++++++++
17 files changed, 776 insertions(+), 16 deletions(-)
diff --git a/include/nuttx/lib/math.h b/include/nuttx/lib/math.h
index faa9d68..af93e37 100644
--- a/include/nuttx/lib/math.h
+++ b/include/nuttx/lib/math.h
@@ -172,21 +172,21 @@ double round (double x);
long double roundl(long double x);
#endif
-#define lroundf(x) ((long)roundf(x))
+long int lroundf(float x);
#ifdef CONFIG_HAVE_DOUBLE
-#define lround(x) ((long)round(x))
+long int lround(double x);
#endif
#ifdef CONFIG_HAVE_LONG_DOUBLE
-#define lroundl(x) ((long)roundl(x))
+long int lroundl(long double x);
#endif
#ifdef CONFIG_HAVE_LONG_LONG
-#define llroundf(x) ((long long)roundf(x))
+long long int llroundf(float x);
#ifdef CONFIG_HAVE_DOUBLE
-#define llround(x) ((long long)round(x))
+long long int llround (double x);
#endif
#ifdef CONFIG_HAVE_LONG_DOUBLE
-#define llroundl(x) ((long long)roundl(x))
+long long int llroundl(long double x);
#endif
#endif
@@ -198,6 +198,24 @@ double rint(double x);
long double rintl(long double x); /* Not implemented */
#endif
+long int lrintf(float x);
+#ifdef CONFIG_HAVE_DOUBLE
+long int lrint(double x);
+#endif
+#ifdef CONFIG_HAVE_LONG_DOUBLE
+long int lrintl(long double x);
+#endif
+
+#ifdef CONFIG_HAVE_LONG_LONG
+long long int llrintf(float x);
+#ifdef CONFIG_HAVE_DOUBLE
+long long int llrint(double x);
+#endif
+#ifdef CONFIG_HAVE_LONG_DOUBLE
+long long int llrintl(long double x);
+#endif
+#endif
+
float fabsf (float x);
#ifdef CONFIG_HAVE_DOUBLE
double fabs (double x);
@@ -233,22 +251,77 @@ long double powl (long double b, long double e);
#endif
float expf (float x);
-#define expm1f(x) (expf(x) - 1.0)
+float exp2f (float x);
+float expm1f(float x);
#ifdef CONFIG_HAVE_DOUBLE
double exp (double x);
-#define expm1(x) (exp(x) - 1.0)
+double exp2 (double x);
+double expm1 (double x);
#endif
#ifdef CONFIG_HAVE_LONG_DOUBLE
long double expl (long double x);
-#define expm1l(x) (expl(x) - 1.0)
+long double exp2l (long double x);
+long double expm1l(long double x);
#endif
+float fdimf(float x, float y);
+#ifdef CONFIG_HAVE_DOUBLE
+double fdim(double x, double y);
+#endif
+#ifdef CONFIG_HAVE_LONG_DOUBLE
+long double fdiml(long double x, long double y);
+#endif
+
+float fmaf(float x, float y, float z);
+#ifdef CONFIG_HAVE_DOUBLE
+double fma(double x, double y, double z);
+#endif
+#ifdef CONFIG_HAVE_LONG_DOUBLE
+long double fmal(long double x, long double y, long double z);
+#endif
+
+float fmaxf(float x, float y);
+#ifdef CONFIG_HAVE_DOUBLE
+double fmax(double x, double y);
+#endif
+#ifdef CONFIG_HAVE_LONG_DOUBLE
+long double fmaxl(long double x, long double y);
+#endif
+
+float fminf(float x, float y);
+#ifdef CONFIG_HAVE_DOUBLE
+double fmin(double x, double y);
+#endif
+#ifdef CONFIG_HAVE_LONG_DOUBLE
+long double fminl(long double x, long double y);
+#endif
+
+float hypotf(float x, float y);
+#ifdef CONFIG_HAVE_DOUBLE
+double hypot(double x, double y);
+#endif
+#ifdef CONFIG_HAVE_LONG_DOUBLE
+long double hypotl(long double x, long double y);
+#endif
+
+float lgammaf(float x);
#ifdef CONFIG_HAVE_DOUBLE
double __cos(double x, double y);
double __sin(double x, double y, int iy);
double gamma(double x);
double lgamma(double x);
#endif
+#ifdef CONFIG_HAVE_LONG_DOUBLE
+long double lgammal(long double x);
+#endif
+
+float tgammaf(float x);
+#ifdef CONFIG_HAVE_DOUBLE
+double tgamma(double x);
+#endif
+#ifdef CONFIG_HAVE_LONG_DOUBLE
+long double tgammal(long double x);
+#endif
float logf (float x);
#ifdef CONFIG_HAVE_DOUBLE
@@ -266,6 +339,14 @@ double log10 (double x);
long double log10l(long double x);
#endif
+float log1pf(float x);
+#ifdef CONFIG_HAVE_DOUBLE
+double log1p (double x);
+#endif
+#ifdef CONFIG_HAVE_LONG_DOUBLE
+long double log1pl(long double x);
+#endif
+
float log2f (float x);
#ifdef CONFIG_HAVE_DOUBLE
double log2 (double x);
@@ -274,6 +355,22 @@ double log2 (double x);
long double log2l (long double x);
#endif
+float logbf (float x);
+#ifdef CONFIG_HAVE_DOUBLE
+double logb (double x);
+#endif
+#ifdef CONFIG_HAVE_LONG_DOUBLE
+long double logbl (long double x);
+#endif
+
+int ilogbf (float x);
+#ifdef CONFIG_HAVE_DOUBLE
+int ilogb (double x);
+#endif
+#ifdef CONFIG_HAVE_LONG_DOUBLE
+int ilogbl (long double x);
+#endif
+
float sqrtf (float x);
#ifdef CONFIG_HAVE_DOUBLE
double sqrt (double x);
@@ -372,9 +469,13 @@ double cosh (double x);
long double coshl (long double x);
#endif
+float cbrtf (float x);
#ifdef CONFIG_HAVE_DOUBLE
double cbrt (double x);
#endif
+#ifdef CONFIG_HAVE_LONG_DOUBLE
+long double cbrtl (long double x);
+#endif
float tanhf (float x);
#ifdef CONFIG_HAVE_DOUBLE
@@ -409,14 +510,14 @@ long double atanhl (long double x);
#endif
float erff (float x);
-#define erfcf(x) (1 - erff(x))
+float erfcf(float x);
#ifdef CONFIG_HAVE_DOUBLE
double erf (double x);
-#define erfc(x) (1 - erf(x))
+double erfc(double x);
#endif
#ifdef CONFIG_HAVE_LONG_DOUBLE
long double erfl (long double x);
-#define erfcl(x) (1 - erfl(x))
+long double erfcl(long double x);
#endif
float copysignf (float x, float y);
@@ -435,15 +536,87 @@ double trunc (double x);
long double truncl (long double x);
#endif
-#define nanf(x) ((float)(NAN))
+float nanf(const char *tagp);
+#ifdef CONFIG_HAVE_DOUBLE
+double nan(const char *tagp);
+#endif
+#ifdef CONFIG_HAVE_LONG_DOUBLE
+long double nanl(const char *tagp);
+#endif
+
+float nearbyintf(float x);
+#ifdef CONFIG_HAVE_DOUBLE
+double nearbyint(double x);
+#endif
+#ifdef CONFIG_HAVE_LONG_DOUBLE
+long double nearbyintl(long double x);
+#endif
+
+float nextafterf(float x, float y);
+#ifdef CONFIG_HAVE_DOUBLE
+double nextafter(double x, double y);
+#endif
+#ifdef CONFIG_HAVE_LONG_DOUBLE
+long double nextafterl(long double x, long double y);
+#endif
+
+float nexttowardf(float x, long double y);
+#ifdef CONFIG_HAVE_DOUBLE
+double nexttoward(double x, long double y);
+#endif
+#ifdef CONFIG_HAVE_LONG_DOUBLE
+long double nexttowardl(long double x, long double y);
+#endif
+
+float remainderf(float x, float y);
+#ifdef CONFIG_HAVE_DOUBLE
+double remainder(double x, double y);
+#endif
+#ifdef CONFIG_HAVE_LONG_DOUBLE
+long double remainderl(long double x, long double y);
+#endif
+
+float remquof(float x, float y, int *quo);
+#ifdef CONFIG_HAVE_DOUBLE
+double remquo(double x, double y, int *quo);
+#endif
+#ifdef CONFIG_HAVE_LONG_DOUBLE
+long double remquol(long double x, long double y, int *quo);
+#endif
+
+float scalblnf(float x, long int n);
#ifdef CONFIG_HAVE_DOUBLE
-#define nan(x) ((double)(NAN))
+double scalbln(double x, long int n);
#endif
#ifdef CONFIG_HAVE_LONG_DOUBLE
-#define nanl(x) ((long double)(NAN))
+long double scalblnl(long double x, long int n);
#endif
-#define signbit(x) __builtin_signbit(x)
+float scalbnf(float x, int n);
+#ifdef CONFIG_HAVE_DOUBLE
+double scalbn(double x, int n);
+#endif
+#ifdef CONFIG_HAVE_LONG_DOUBLE
+long double scalbnl(long double x, int n);
+#endif
+
+#define FP_INFINITE 0
+#define FP_NAN 1
+#define FP_NORMAL 2
+#define FP_SUBNORMAL 3
+#define FP_ZERO 4
+#define fpclassify(x) \
+ __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL, FP_SUBNORMAL, \
+ FP_ZERO, x)
+
+#define isunordered(x, y) __builtin_isunordered(x, y)
+#define isgreater(x, y) __builtin_isgreater(x, y)
+#define isgreaterequal(x, y) __builtin_isgreaterequal(x, y)
+#define isless(x, y) __builtin_isless(x, y)
+#define islessequal(x, y) __builtin_islessequal(x, y)
+#define islessgreater(x, y) __builtin_islessgreater(x, y)
+#define isnormal(x) __builtin_isnormal(x)
+#define signbit(x) __builtin_signbit(x)
#if defined(__cplusplus)
}
diff --git a/libs/libc/math/Make.defs b/libs/libc/math/Make.defs
index 087ea14..86b3796 100644
--- a/libs/libc/math/Make.defs
+++ b/libs/libc/math/Make.defs
@@ -62,6 +62,12 @@ CSRCS += lib_truncl.c
CSRCS += lib_libexpi.c lib_libsqrtapprox.c
CSRCS += lib_libexpif.c
+CSRCS += lib_erfc.c lib_erfcf.c lib_erfcl.c
+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 += __cos.c __sin.c lib_gamma.c lib_lgamma.c
# Use the C versions of some functions only if architecture specific
diff --git a/libs/libc/math/lib_erfc.c b/libs/libc/math/lib_erfc.c
new file mode 100644
index 0000000..cd1dfca
--- /dev/null
+++ b/libs/libc/math/lib_erfc.c
@@ -0,0 +1,39 @@
+/****************************************************************************
+ * lib/math/lib_erfc.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 erfc(double x)
+{
+ return 1 - erf(x);
+}
+#endif
diff --git a/libs/libc/math/lib_erfcf.c b/libs/libc/math/lib_erfcf.c
new file mode 100644
index 0000000..c7a8752
--- /dev/null
+++ b/libs/libc/math/lib_erfcf.c
@@ -0,0 +1,37 @@
+/****************************************************************************
+ * lib/math/lib_erfcf.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 erfcf(float x)
+{
+ return 1 - erff(x);
+}
diff --git a/libs/libc/math/lib_erfcl.c b/libs/libc/math/lib_erfcl.c
new file mode 100644
index 0000000..c3ca7c8
--- /dev/null
+++ b/libs/libc/math/lib_erfcl.c
@@ -0,0 +1,39 @@
+/****************************************************************************
+ * lib/math/lib_erfcl.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 erfcl(long double x)
+{
+ return 1 - erfl(x);
+}
+#endif
diff --git a/libs/libc/math/lib_expm1.c b/libs/libc/math/lib_expm1.c
new file mode 100644
index 0000000..d87984d
--- /dev/null
+++ b/libs/libc/math/lib_expm1.c
@@ -0,0 +1,39 @@
+/****************************************************************************
+ * lib/math/lib_expm1.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 expm1(double x)
+{
+ return exp(x) - 1.0;
+}
+#endif
diff --git a/libs/libc/math/lib_expm1f.c b/libs/libc/math/lib_expm1f.c
new file mode 100644
index 0000000..6668ff8
--- /dev/null
+++ b/libs/libc/math/lib_expm1f.c
@@ -0,0 +1,37 @@
+/****************************************************************************
+ * lib/math/lib_expm1f.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 expm1f(float x)
+{
+ return expf(x) - 1.0;
+}
diff --git a/libs/libc/math/lib_expm1l.c b/libs/libc/math/lib_expm1l.c
new file mode 100644
index 0000000..d481882
--- /dev/null
+++ b/libs/libc/math/lib_expm1l.c
@@ -0,0 +1,39 @@
+/****************************************************************************
+ * lib/math/lib_expm1l.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 expm1l(long double x)
+{
+ return expl(x) - 1.0;
+}
+#endif
diff --git a/libs/libc/math/lib_llround.c b/libs/libc/math/lib_llround.c
new file mode 100644
index 0000000..45af61e
--- /dev/null
+++ b/libs/libc/math/lib_llround.c
@@ -0,0 +1,41 @@
+/****************************************************************************
+ * 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
diff --git a/libs/libc/math/lib_llroundf.c b/libs/libc/math/lib_llroundf.c
new file mode 100644
index 0000000..50c3dc8
--- /dev/null
+++ b/libs/libc/math/lib_llroundf.c
@@ -0,0 +1,39 @@
+/****************************************************************************
+ * lib/math/lib_llroundf.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
+long long llroundf(float x)
+{
+ return (long long)roundf(x);
+}
+#endif
diff --git a/libs/libc/math/lib_llroundl.c b/libs/libc/math/lib_llroundl.c
new file mode 100644
index 0000000..79027fd
--- /dev/null
+++ b/libs/libc/math/lib_llroundl.c
@@ -0,0 +1,41 @@
+/****************************************************************************
+ * lib/math/lib_llroundl.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_LONG_DOUBLE
+long long llroundl(long double x)
+{
+ return (long long)roundl(x);
+}
+#endif
+#endif
diff --git a/libs/libc/math/lib_lround.c b/libs/libc/math/lib_lround.c
new file mode 100644
index 0000000..32a47bb
--- /dev/null
+++ b/libs/libc/math/lib_lround.c
@@ -0,0 +1,39 @@
+/****************************************************************************
+ * lib/math/lib_lround.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
+long int lround(double x)
+{
+ return (long int)round(x);
+}
+#endif
diff --git a/libs/libc/math/lib_lroundf.c b/libs/libc/math/lib_lroundf.c
new file mode 100644
index 0000000..8fa3bd4
--- /dev/null
+++ b/libs/libc/math/lib_lroundf.c
@@ -0,0 +1,37 @@
+/****************************************************************************
+ * lib/math/lib_lroundf.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
+ ****************************************************************************/
+
+long int lroundf(float x)
+{
+ return (long int)roundf(x);
+}
diff --git a/libs/libc/math/lib_lroundl.c b/libs/libc/math/lib_lroundl.c
new file mode 100644
index 0000000..a3b6abb
--- /dev/null
+++ b/libs/libc/math/lib_lroundl.c
@@ -0,0 +1,39 @@
+/****************************************************************************
+ * lib/math/lib_lroundl.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 int lroundl(long double x)
+{
+ return (long int)roundl(x);
+}
+#endif
diff --git a/libs/libc/math/lib_nan.c b/libs/libc/math/lib_nan.c
new file mode 100644
index 0000000..23ed134
--- /dev/null
+++ b/libs/libc/math/lib_nan.c
@@ -0,0 +1,39 @@
+/****************************************************************************
+ * lib/math/lib_nan.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 nan(const char *tagp)
+{
+ return (double)NAN;
+}
+#endif
diff --git a/libs/libc/math/lib_nanf.c b/libs/libc/math/lib_nanf.c
new file mode 100644
index 0000000..3d32789
--- /dev/null
+++ b/libs/libc/math/lib_nanf.c
@@ -0,0 +1,37 @@
+/****************************************************************************
+ * lib/math/lib_nanf.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 nanf(const char *tagp)
+{
+ return (float)NAN;
+}
diff --git a/libs/libc/math/lib_nanl.c b/libs/libc/math/lib_nanl.c
new file mode 100644
index 0000000..e57da9b
--- /dev/null
+++ b/libs/libc/math/lib_nanl.c
@@ -0,0 +1,39 @@
+/****************************************************************************
+ * lib/math/lib_nanl.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 nanl(const char *tagp)
+{
+ return (long double)NAN;
+}
+#endif
