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/mathfp/sf_log10.c')
-rw-r--r--newlib/libm/mathfp/sf_log10.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/newlib/libm/mathfp/sf_log10.c b/newlib/libm/mathfp/sf_log10.c
new file mode 100644
index 000000000..444e535e0
--- /dev/null
+++ b/newlib/libm/mathfp/sf_log10.c
@@ -0,0 +1,34 @@
+
+/* @(#)z_log10f.c 1.0 98/08/13 */
+/******************************************************************
+ * Logarithm
+ *
+ * Input:
+ * x - floating point value
+ *
+ * Output:
+ * logarithm of x
+ *
+ * Description:
+ * This routine returns the logarithm of x (base 10).
+ *
+ *****************************************************************/
+
+#include "fdlibm.h"
+#include "zmath.h"
+
+float
+_DEFUN (log10f, (float),
+ float x)
+{
+ return (logarithmf (x, 1));
+}
+
+#ifdef _DOUBLE_IS_32BITS
+
+double log10 (double x)
+{
+ return (double) log10f ((float) x);
+}
+
+#endif /* defined(_DOUBLE_IS_32BITS) */