Adds a modified f2c-generated C implmentation for BLAS.

This adds an optional implementation for the BLAS library that does
not require the use of a FORTRAN compiler. It can be enabled with
EIGEN_USE_F2C_BLAS.

The C implementation uses the standard gfortran calling convention
and does not require the use of -ff2c when compiled with gfortran.

1 files changed, 6 insertions, 0 deletions

diff --git a/blas/f2c/r_cnjg.c b/blas/f2c/r_cnjg.c
new file mode 100644
index 000000000..c08182f88
--- /dev/null
+++ b/blas/f2c/r_cnjg.c
@@ -0,0 +1,6 @@
+#include "datatypes.h"    
+
+void r_cnjg(complex *r, complex *z) {
+    r->r = z->r;
+    r->i = -(z->i);
+}