Adding API functions to convert data buffers

Makefile.am

@@ -24,6 +24,7 @@ pkginclude_HEADERS= # This library does not provide any additional header
 
 c_api_sources= \
  src/c/CBLASOperations.cpp \
+ src/c/Converters.cpp \
  src/c/Initialization.cpp \
  src/c/MemoryOperations.cpp \
  src/c/Operations.cpp \

src/c/Converters.cpp

@@ -0,0 +1,82 @@
+/*
+	This file is part of Task-Aware ACL and is licensed under the terms contained in the COPYING and COPYING.LESSER files.
+
+	Copyright (C) 2021 Barcelona Supercomputing Center (BSC)
+*/
+
+#include <acl/acl.h>
+#include <TACL.h>
+
+#include <cassert>
+
+#pragma GCC visibility push(default)
+
+extern "C" {
+
+aclError
+taclDoubleToFloat16Buffer(aclFloat16 *dst, const double *src, size_t count)
+{
+	if (count == 0)
+		return ACL_ERROR_NONE;
+
+	assert(dst != NULL);
+	assert(src != NULL);
+
+	for (size_t e = 0; e < count; ++e) {
+		dst[e] = aclFloatToFloat16((float) src[e]);
+	}
+
+	return ACL_ERROR_NONE;
+}
+
+aclError
+taclFloatToFloat16Buffer(aclFloat16 *dst, const float *src, size_t count)
+{
+	if (count == 0)
+		return ACL_ERROR_NONE;
+
+	assert(dst != NULL);
+	assert(src != NULL);
+
+	for (size_t e = 0; e < count; ++e) {
+		dst[e] = aclFloatToFloat16(src[e]);
+	}
+
+	return ACL_ERROR_NONE;
+}
+
+aclError
+taclFloat16ToDoubleBuffer(double *dst, const aclFloat16 *src, size_t count)
+{
+	if (count == 0)
+		return ACL_ERROR_NONE;
+
+	assert(dst != NULL);
+	assert(src != NULL);
+
+	for (size_t e = 0; e < count; ++e) {
+		dst[e] = (double) aclFloat16ToFloat(src[e]);
+	}
+
+	return ACL_ERROR_NONE;
+}
+
+aclError
+taclFloat16ToFloatBuffer(float *dst, const aclFloat16 *src, size_t count)
+{
+	if (count == 0)
+		return ACL_ERROR_NONE;
+
+	assert(dst != NULL);
+	assert(src != NULL);
+
+	for (size_t e = 0; e < count; ++e) {
+		dst[e] = aclFloat16ToFloat(src[e]);
+	}
+
+	return ACL_ERROR_NONE;
+}
+
+} // extern C
+
+#pragma GCC visibility pop

src/include/TACL.h

@@ -80,6 +80,18 @@ taclWaitRequestAsync(taclRequest *request);
 aclError
 taclWaitallRequestsAsync(size_t count, taclRequest requests[]);
 
+aclError
+taclDoubleToFloat16Buffer(aclFloat16 *dst, const double *src, size_t count);
+
+aclError
+taclFloatToFloat16Buffer(aclFloat16 *dst, const float *src, size_t count);
+
+aclError
+taclFloat16ToDoubleBuffer(double *dst, const aclFloat16 *src, size_t count);
+
+aclError
+taclFloat16ToFloatBuffer(float *dst, const aclFloat16 *src, size_t count);
+
 #ifdef __cplusplus
 }
 #endif