-/* Functions related to the RngStream Java port */
+/* Java binding of the RngStream library */
-/* Copyright (c) 2007-2015. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2007-2017. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
+#include "xbt/sysdep.h"
+
#include "jmsg_rngstream.h"
-#include "jxbt_utilities.h"
+#include "jxbt_utilities.hpp"
+
+extern "C" {
jfieldID jrngstream_bind;
RngStream jrngstream_to_native(JNIEnv *env, jobject jrngstream) {
RngStream rngstream = (RngStream)(intptr_t)env->GetLongField(jrngstream, jrngstream_bind);
- if (!rngstream) {
+ if (not rngstream) {
jxbt_throw_notbound(env, "rngstream", jrngstream);
- return NULL;
+ return nullptr;
}
return rngstream;
}
JNIEXPORT void JNICALL Java_org_simgrid_msg_RngStream_nativeFinalize(JNIEnv *env, jobject jrngstream) {
RngStream rngstream = jrngstream_to_native(env, jrngstream);
RngStream_DeleteStream(&rngstream);
- env->SetLongField(jrngstream, jrngstream_bind, (intptr_t)NULL);
+ env->SetLongField(jrngstream, jrngstream_bind, (intptr_t)nullptr);
}
JNIEXPORT jboolean JNICALL
Java_org_simgrid_msg_RngStream_setPackageSeed(JNIEnv *env, jobject jrngstream, jintArray jseed) {
- jint buffer[6];
- env->GetIntArrayRegion(jseed, 0, 6, buffer);
-
- RngStream rngstream = jrngstream_to_native(env, jrngstream);
- if (!rngstream)
+ if (jseed == nullptr) {
+ jxbt_throw_null(env, xbt_strdup("seed argument is null"));
return JNI_FALSE;
+ }
+
+ jint buffer[6];
+ env->GetIntArrayRegion(jseed, 0, 6, buffer);
- int result = RngStream_SetPackageSeed((unsigned long*)buffer);
+ // The C API expects unsigned long which are wider than int on LP64.
+ // We need to convert:
+ unsigned long seed[6];
+ for (int i = 0; i != 6; ++i)
+ seed[i] = buffer[i];
+ int result = RngStream_SetPackageSeed(seed);
return result == -1 ? JNI_FALSE : JNI_TRUE;
}
JNIEXPORT void JNICALL Java_org_simgrid_msg_RngStream_resetStart(JNIEnv *env, jobject jrngstream) {
RngStream rngstream = jrngstream_to_native(env, jrngstream);
- if (!rngstream)
+ if (not rngstream)
return;
RngStream_ResetStartStream(rngstream);
JNIEXPORT void JNICALL Java_org_simgrid_msg_RngStream_resetStartSubstream(JNIEnv *env, jobject jrngstream) {
RngStream rngstream = jrngstream_to_native(env, jrngstream);
- if (!rngstream)
+ if (not rngstream)
return;
RngStream_ResetStartSubstream(rngstream);
JNIEXPORT void JNICALL Java_org_simgrid_msg_RngStream_resetNextSubstream(JNIEnv *env, jobject jrngstream) {
RngStream rngstream = jrngstream_to_native(env, jrngstream);
- if (!rngstream)
+ if (not rngstream)
return;
RngStream_ResetNextSubstream(rngstream);
JNIEXPORT void JNICALL Java_org_simgrid_msg_RngStream_setAntithetic(JNIEnv *env, jobject jrngstream, jboolean ja) {
RngStream rngstream = jrngstream_to_native(env, jrngstream);
- if (!rngstream)
+ if (not rngstream)
return;
if (ja == JNI_TRUE) {
env->GetIntArrayRegion(jseed, 0, 6, buffer);
RngStream rngstream = jrngstream_to_native(env, jrngstream);
- if (!rngstream)
+ if (not rngstream)
return JNI_FALSE;
- int result = RngStream_SetSeed(rngstream, (unsigned long*)buffer);
+ // The C API expects unsigned long which are wider than int on LP64.
+ // We need to convert:
+ unsigned long seed[6];
+ for (int i = 0; i != 6; ++i)
+ seed[i] = buffer[i];
+
+ int result = RngStream_SetSeed(rngstream, seed);
return result == -1 ? JNI_FALSE : JNI_TRUE;
}
JNIEXPORT void JNICALL Java_org_simgrid_msg_RngStream_advanceState(JNIEnv *env, jobject jrngstream, jint e, jint g) {
RngStream rngstream = jrngstream_to_native(env, jrngstream);
- if (!rngstream)
+ if (not rngstream)
return;
RngStream_AdvanceState(rngstream, (long)e, (long)g);
JNIEXPORT jdouble JNICALL Java_org_simgrid_msg_RngStream_randU01(JNIEnv *env, jobject jrngstream) {
RngStream rngstream = jrngstream_to_native(env, jrngstream);
- if (!rngstream)
+ if (not rngstream)
return 0;
return (jdouble)RngStream_RandU01(rngstream);
JNIEXPORT jint JNICALL Java_org_simgrid_msg_RngStream_randInt(JNIEnv *env, jobject jrngstream, jint i, jint j) {
RngStream rngstream = jrngstream_to_native(env, jrngstream);
- if (!rngstream)
+ if (not rngstream)
return 0;
return (jint)RngStream_RandInt(rngstream, (int)i, (int)j);
}
+}