Welcome to mirror list, hosted at ThFree Co, Russian Federation.

cygwin.com/git/newlib-cygwin.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat (limited to 'newlib/libm/machine/spu/headers/log10f.h')
-rw-r--r--newlib/libm/machine/spu/headers/log10f.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/newlib/libm/machine/spu/headers/log10f.h b/newlib/libm/machine/spu/headers/log10f.h
new file mode 100644
index 000000000..202cb7c0d
--- /dev/null
+++ b/newlib/libm/machine/spu/headers/log10f.h
@@ -0,0 +1,54 @@
+/*
+ (C) Copyright 2001,2006,
+ International Business Machines Corporation,
+ Sony Computer Entertainment, Incorporated,
+ Toshiba Corporation,
+
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * Neither the names of the copyright holders nor the names of their
+ contributors may be used to endorse or promote products derived from this
+ software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+ OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+#ifndef _LOG10F_H_
+#define _LOG10F_H_ 1
+
+#include "log2f.h"
+
+/*
+ * FUNCTION
+ * float _log10f(float x)
+ *
+ * DESCRIPTION
+ * _log10f computes log (base 10) of the input value x. log10
+ * is computed using log2 as follows:
+ *
+ * log10f(x) = log2(x) / log2(10);
+ */
+
+static __inline float _log10f(float x)
+{
+ return (_log2f(x) * 0.30102999566398f);
+}
+
+#endif /* _LOG10F_H_ */