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Diffstat (limited to 'gcc/f/runtime/libF77/d_lg10.c')
-rw-r--r--gcc/f/runtime/libF77/d_lg10.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/f/runtime/libF77/d_lg10.c b/gcc/f/runtime/libF77/d_lg10.c
new file mode 100644
index 00000000000..c0892bd512a
--- /dev/null
+++ b/gcc/f/runtime/libF77/d_lg10.c
@@ -0,0 +1,15 @@
+#include "f2c.h"
+
+#define log10e 0.43429448190325182765
+
+#ifdef KR_headers
+double log();
+double d_lg10(x) doublereal *x;
+#else
+#undef abs
+#include <math.h>
+double d_lg10(doublereal *x)
+#endif
+{
+return( log10e * log(*x) );
+}