real/complex unification in MPI calls

in elpa2_trans_ev_tridi_to_band_template

src/general/precision_macros.h

@@ -53,6 +53,7 @@
 #undef  CONST_8_0
 #undef  MPI_REAL_PRECISION
 #undef  MPI_MATH_DATATYPE_PRECISION
+#undef  MPI_MATH_DATATYPE_PRECISION_EXPL
 #undef  C_DATATYPE_KIND
 #undef THRESHOLD
 
@@ -112,6 +113,7 @@
 #define  CONST_8_0 8.0_rk8
 #define  MPI_REAL_PRECISION MPI_REAL8
 #define  MPI_MATH_DATATYPE_PRECISION MPI_REAL8
+#define  MPI_MATH_DATATYPE_PRECISION_EXPL MPI_REAL8
 #define  C_DATATYPE_KIND c_double
 
 #define THRESHOLD 1e-11_rk8
@@ -170,6 +172,7 @@
 #define  CONST_8_0 8.0_rk4
 #define  MPI_REAL_PRECISION MPI_REAL4
 #define  MPI_MATH_DATATYPE_PRECISION MPI_REAL4
+#define  MPI_MATH_DATATYPE_PRECISION_EXPL MPI_REAL4
 #define  C_DATATYPE_KIND c_float
 
 #define THRESHOLD 1e-4_rk4
@@ -226,6 +229,7 @@
 #undef  PRECISION_SUFFIX
 #undef  MPI_COMPLEX_PRECISION
 #undef  MPI_MATH_DATATYPE_PRECISION
+#undef  MPI_MATH_DATATYPE_PRECISION_EXPL
 #undef  MPI_COMPLEX_EXPLICIT_PRECISION
 #undef  MPI_REAL_PRECISION
 #undef  KIND_PRECISION
@@ -294,6 +298,7 @@
 #define  scal_PRECISION_LASET PZLASET
 #define  MPI_COMPLEX_PRECISION MPI_DOUBLE_COMPLEX
 #define  MPI_MATH_DATATYPE_PRECISION MPI_DOUBLE_COMPLEX
+#define  MPI_MATH_DATATYPE_PRECISION_EXPL MPI_COMPLEX16
 #define  MPI_COMPLEX_EXPLICIT_PRECISION MPI_COMPLEX16
 #define  MPI_REAL_PRECISION MPI_REAL8
 #define  KIND_PRECISION rk8
@@ -358,6 +363,7 @@
 #define  scal_PRECISION_LASET PCLASET
 #define  MPI_COMPLEX_PRECISION MPI_COMPLEX
 #define  MPI_MATH_DATATYPE_PRECISION MPI_COMPLEX
+#define  MPI_MATH_DATATYPE_PRECISION_EXPL MPI_COMPLEX8
 #define  MPI_COMPLEX_EXPLICIT_PRECISION MPI_COMPLEX8
 #define  MPI_REAL_PRECISION MPI_REAL4
 #define  KIND_PRECISION rk4