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-rw-r--r--tools/cosmo_calc/ddivid.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/cosmo_calc/ddivid.h b/tools/cosmo_calc/ddivid.h
new file mode 100644
index 0000000..a957de5
--- /dev/null
+++ b/tools/cosmo_calc/ddivid.h
@@ -0,0 +1,8 @@
+#ifndef DDIVID
+#define DDIVID
+
+extern double ddivid(double (*foo)(double),double x1,double x2,double err);
+extern double ddivid(double (*foo)(double),double z,double x1,double x2,double err);
+
+#endif
+//EOF