Merge pull request #348 from CNugteren/CLBlast-334-pyclblast-half-precision-support

PyCLBlast half precision support

2 files changed, 6 insertions, 3 deletions

diff --git a/scripts/generator/generator.py b/scripts/generator/generator.py
index 68e3f01a..76c5dc1c 100755
--- a/scripts/generator/generator.py
+++ b/scripts/generator/generator.py
@@ -49,7 +49,7 @@ FILES = [
     "/src/clblast_cuda.cpp",
     "/src/pyclblast/src/pyclblast.pyx"
 ]
-HEADER_LINES = [124, 21, 128, 24, 29, 45, 29, 66, 40, 96, 21, 290]
+HEADER_LINES = [124, 21, 128, 24, 29, 45, 29, 66, 40, 96, 21, 327]
 FOOTER_LINES = [98, 57, 112, 275, 6, 6, 6, 9, 2, 41, 56, 37]
 HEADER_LINES_DOC = 0
 FOOTER_LINES_DOC = 232
diff --git a/scripts/generator/generator/pyclblast.py b/scripts/generator/generator/pyclblast.py
index ab719f5e..47eb2eb4 100644
--- a/scripts/generator/generator/pyclblast.py
+++ b/scripts/generator/generator/pyclblast.py
@@ -18,6 +18,7 @@ def to_np_dtype(flavour):
         "D": "float64",
         "C": "complex64",
         "Z": "complex128",
+        "H": "float16",
     }[flavour.precision_name]
 
 
@@ -31,6 +32,8 @@ def scalar_cython_conversion(scalar, flavour):
         return "<cl_float2>cl_float2(x=" + scalar + ".real,y=" + scalar + ".imag)"
     if scalar_type in ["cl_double2", "double2"]:
         return "<cl_double2>cl_double2(x=" + scalar + ".real,y=" + scalar + ".imag)"
+    if scalar_type in ["cl_half", "half"]:
+        return "<cl_half>" + scalar
     raise RuntimeError("Could not convert flavour '%s:%s'" % (flavour.precision_name, scalar_type))
 
 
@@ -48,7 +51,7 @@ def generate_pyx(routine):
         result += "cdef extern from \"clblast_c.h\":" + NL
         np_dtypes = []
         for flavour in routine.flavours:
-            if flavour.precision_name in ["S", "D", "C", "Z"]:
+            if flavour.precision_name in ["S", "D", "C", "Z", "H"]:
                 result += indent + "CLBlastStatusCode CLBlast" + flavour.name + routine.plain_name() + "("
                 result += ", ".join(routine.arguments_def_c(flavour)) + ","
                 result += "cl_command_queue* queue, cl_event* event)" + NL
@@ -103,7 +106,7 @@ def generate_pyx(routine):
         result += indent + "cdef CLBlastStatusCode err" + NL
         if_prefix = ""
         for flavour in routine.flavours:
-            if flavour.precision_name in ["S", "D", "C", "Z"]:
+            if flavour.precision_name in ["S", "D", "C", "Z", "H"]:
                 np_dtype = to_np_dtype(flavour)
                 argument_names = [x.
                                   replace("layout", "CLBlastLayoutRowMajor").