diff options
| author | Andrew Haley <aph@redhat.com> | 2016-09-30 16:24:48 +0000 |
|---|---|---|
| committer | Andrew Haley <aph@gcc.gnu.org> | 2016-09-30 16:24:48 +0000 |
| commit | 07b78716af6a9d7c9fd1e94d9baf94a52c873947 (patch) | |
| tree | 3f22b3241c513ad168c8353805614ae1249410f4 /libjava/classpath/native/jni/java-math/gnu_java_math_GMP.c | |
| parent | eae993948bae8b788c53772bcb9217c063716f93 (diff) | |
Makefile.def: Remove libjava.
2016-09-30 Andrew Haley <aph@redhat.com>
* Makefile.def: Remove libjava.
* Makefile.tpl: Likewise.
* Makefile.in: Regenerate.
* configure.ac: Likewise.
* configure: Likewise.
* gcc/java: Remove.
* libjava: Likewise.
From-SVN: r240662
Diffstat (limited to 'libjava/classpath/native/jni/java-math/gnu_java_math_GMP.c')
| -rw-r--r-- | libjava/classpath/native/jni/java-math/gnu_java_math_GMP.c | 1396 |
1 files changed, 0 insertions, 1396 deletions
diff --git a/libjava/classpath/native/jni/java-math/gnu_java_math_GMP.c b/libjava/classpath/native/jni/java-math/gnu_java_math_GMP.c deleted file mode 100644 index 85c2e6b0fb3..00000000000 --- a/libjava/classpath/native/jni/java-math/gnu_java_math_GMP.c +++ /dev/null @@ -1,1396 +0,0 @@ -/* gnu_java_math_GMP.c -- Native MPI implemenetation over GNU MP - Copyright (C) 2006 Free Software Foundation, Inc. - -This file is a part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or (at -your option) any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; if not, write to the Free Software -Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 -USA - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - -#include <limits.h> -#include <stdio.h> -#include <stdlib.h> - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif /* HAVE_CONFIG_H */ - -#include "gnu_java_math_GMP.h" -#include <jcl.h> - -#if defined(HAVE_GMP_H) -#include <gmp.h> -#endif /* defined(HAVE_GMP_H) */ - -#if defined(WITH_GNU_MP) -#else -#warning GNU MP not available or wanted! -#warning Invocation of natXXX() methods will raise an exception -#endif - -/* - * This is the implementation of the native BigInteger$NativeMPI methods which - * use the GNU MP (GMP) library. - * - * In all the Java non-statically declared native methods, the second argument, - * an instance of jobject, refers to the current NativeMPI instance; i.e. - * "this" in Java parlance. The corresponding allocated data structure - * representing the GMP's counter-part is pointed-to by the pointer stored in a - * transient java field named "native_ptr". The first thing these methods do is - * (a) access that field with a JNI GetObjectField() call to obtain the - * reference to the gnu.classpath.Pointer subclass instance, then (b) obtain - * the native GMP pointer (an mpz_ptr), in order to perform their job; e.g. - * - * JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)) - * - * For static methods the second argument, an instance of jclass, is almost - * always unused --except when initializing the library, which is the only time - * we get hold of the native pointer field. - * - * This code was written and tested with GNU MP version 4.1.2. More recent - * versions of that library offer more operations; e.g. in the implementation - * of the method Java_java_math_BigInteger_00024NativeMPI_natFlipBit, mpz_combit() - * should be used with GNU MP versions later than 4.2. As a consequence, this - * code should be reviewed, from time to time, to use newer features of the GNU - * MP library. - */ - -static jfieldID native_ptr; - -#ifdef DEBUG -#define TRACE(msg) fprintf (stderr, "%s(%s:%d) -- %s\n", __FUNCTION__, __FILE__, __LINE__, msg) -#else -#define TRACE(msg) -#endif - -#define throw_config_exception(env) JCL_ThrowException (env, "java/lang/Error", "GNU MP was not specified/found by configure") - -/* - * Initialize the native library. Specifically this method: - * - * a. Pass NULLs to the mp_set_memory_functions implying that GMP should use - * malloc, realloc and free for memory allocation, and if they fail GMP - * will print a message to the standard error output and terminates the - * program. - * b. Find out and store the reference to the NativeMPI class's 'native_ptr' - * field. This is done so later in the method invocations we can access that - * field and acquire the native value associated with that Pointer instance. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natInitializeLibrary (JNIEnv *env, - jclass nativeMPI) -{ -#if defined(WITH_GNU_MP) - TRACE("Loading GMP-based BigInteger native library"); - mp_set_memory_functions (NULL, NULL, NULL); - native_ptr = (*env)->GetFieldID (env, nativeMPI, "native_ptr", - "Lgnu/classpath/Pointer;"); - TRACE("Loaded GMP-based BigInteger native library"); -#else /* !defined(WITH_GNU_MP) */ - (void) nativeMPI; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * Allocate and initialize the data structure for an instance of a NativeMPI. - * - * @param this an instance of NativeMPI. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natInitialize(JNIEnv *env, jobject this) -{ -#if defined(WITH_GNU_MP) - mpz_ptr _this; - - TRACE("begin"); - _this = (mpz_ptr)JCL_malloc (env, sizeof (mpz_t)); - /* initialize --GMP sets the value to zero. */ - mpz_init (_this); - /* instantiate the Pointer instance for this NativeMPI. */ - jobject native_ptr_fld = JCL_NewRawDataObject (env, _this); - /* ... and assign it to the native_ptr field. */ - (*env)->SetObjectField (env, this, native_ptr, native_ptr_fld); - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * Clear and free the data structure for an instance of a NativeMPI. - * - * @param this an instance of NativeMPI. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natFinalize(JNIEnv *env, jobject this) -{ -#if defined(WITH_GNU_MP) - mpz_ptr _this; - - TRACE("begin"); - _this = (mpz_ptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - if (_this != NULL) - { - mpz_clear (_this); - free (_this); - _this = NULL; - } - else - { - TRACE("WARNING: Already cleared + freed"); - } - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - - -/* - * @param this an instance of NativeMPI. On exit, this will have a value of n. - * @param n a Java long primitive value. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natFromLong(JNIEnv *env, jobject this, - jlong n) -{ -#if defined(WITH_GNU_MP) - mpz_ptr _this; - - TRACE("begin"); - _this = (mpz_ptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - /* the size of jlong (64-bit) is either the same as a long, or that of a long long. - * if it's the former, we use as is. */ - if (sizeof (jlong) == sizeof (long)) - { - mpz_set_si (_this, (signed long)n); - } - else - { - /* ...otherwise, we operate on the two halves of the long long, each half - * being 32-bit wide. for simplicity, we work with positive - * values negating, if necessary, the final outcome. - */ - const int isnegative = n < 0 ? 1 : 0; - if (isnegative) - { - n = -n; - } - mpz_set_ui (_this, (unsigned long)(((unsigned long long)n) >> 32)); - mpz_mul_2exp (_this, _this, 32); /* shift left by 32 bits */ - mpz_add_ui (_this, _this, (unsigned long)n); - if (isnegative) - { - mpz_neg (_this, _this); - } - } - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) n; - (void) r; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. On exit, this will have the same - * value as x. - * @param x an instance of a NativeMPI's Pointer. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natFromBI(JNIEnv *env, jobject this, - jobject x) -{ -#if defined(WITH_GNU_MP) - mpz_ptr _this; - mpz_srcptr _x; - - TRACE("begin"); - _this = (mpz_ptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _x = (mpz_srcptr)JCL_GetRawData (env, x); - mpz_set (_this, _x); - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) x; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. On exit, this will have the value - * represented by the v Java byte array (in 2's complement with most - * significant byte at index position 0). The sign is implied by the - * value of the most significant byte. - * @param v a Java byte array containing the byte representation, in 2's - * complement of the signed value to assign to this. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natFromByteArray(JNIEnv *env, - jobject this, - jbyteArray v) -{ -#if defined(WITH_GNU_MP) - mpz_ptr _this; - jbyte *_v; - unsigned long b; - int vlength, isnegative, i; - - TRACE("begin"); - _this = (mpz_ptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _v = (*env)->GetByteArrayElements (env, v, NULL); - vlength = (*env)->GetArrayLength (env, v); - b = (unsigned long)(_v[0] & 0xFF); - isnegative = (b > 0x7F) ? 1 : 0; - mpz_set_ui (_this, 0); - for (i = 0; i < vlength; i++) - { - mpz_mul_2exp (_this, _this, 8); /* shift left 8 positions. */ - b = (unsigned long)(_v[i] & 0xFF); - b = (isnegative) ? ~b : b; - mpz_add_ui (_this, _this, (unsigned long)(b & 0xFF)); - } - (*env)->ReleaseByteArrayElements (env, v, _v, JNI_ABORT); - if (isnegative) - { - mpz_add_ui (_this, _this, 1); - mpz_neg (_this, _this); - } - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) v; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. On exit, this will have the value - * represented by the s Java string. - * @param s a Java string containing, a possibly signed, value to assign to - * this. - * @param rdx the base in which the symbols, in s, are represented. - * @return 0 if the entire string is a valid number in base rdx. Otherwise it - * returns -1. - * - * Implementation note: - * While the GMP library is more tolerant in what it accepts as parameter values - * for conversions from strings, the BigInteger code, which calls this method, - * ensures that the contract described in the RI's documentation is respected; - * e.g. no white spaces in the middle, limited valid radix values, etc... - */ -JNIEXPORT jint JNICALL -Java_gnu_java_math_GMP_natFromString(JNIEnv *env, - jobject this, jstring s, - jint rdx) -{ -#if defined(WITH_GNU_MP) - mpz_ptr _this; - const char *_s; - int result; - - TRACE("begin"); - _this = (mpz_ptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _s = (*env)->GetStringUTFChars (env, s, NULL); - result = mpz_set_str (_this, _s, (int)rdx); - JCL_free_cstring (env, s, _s); - TRACE("end"); - return (result); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) s; - (void) rdx; - throw_config_exception(env); - return (-1); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. On exit, this will have the value - * represented by the m Java byte array (most significant byte at - * index position 0). It will be positive, or negative, depending on - * the value of isnegative. - * @param m a Java byte array containing the byte representation of the - * absolute value (most significant byte being at index position 0) - * to assign to this. - * @param isnegative true if this should be negative and false if it should - * be positive. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natFromSignedMagnitude(JNIEnv *env, - jobject this, - jbyteArray m, - jboolean isnegative) -{ -#if defined(WITH_GNU_MP) - mpz_ptr _this; - jbyte *_m; - int mlength, i; - - TRACE("begin"); - _this = (mpz_ptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _m = (*env)->GetByteArrayElements (env, m, NULL); - mlength = (*env)->GetArrayLength (env, m); - mpz_set_ui (_this, 0); - for (i = 0; i < mlength; i++) - { - mpz_mul_2exp (_this, _this, 8); - mpz_add_ui (_this, _this, (unsigned long)(_m[i] & 0xFF)); - } - (*env)->ReleaseByteArrayElements (env, m, _m, JNI_ABORT); - if (isnegative == JNI_TRUE) - { - mpz_neg (_this, _this); - } - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) m; - (void) isnegative; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @param n the base in which to represent this. - * @return the Java string representing the value of this in base n. - */ -JNIEXPORT jstring JNICALL -Java_gnu_java_math_GMP_natToString(JNIEnv *env, jobject this, - jint n) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this; - char *cstr; - jstring result; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - cstr = mpz_get_str (NULL, (int)n, _this); - result = (*env)->NewStringUTF (env, cstr); - free (cstr); - TRACE("end"); - return (result); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) n; - throw_config_exception(env); - return (NULL); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this a non-ZERO instance of NativeMPI. - * - * output: - * @param r a Java byte array which shall contain the byte representation of - * this. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natToByteArray(JNIEnv *env, - jobject this, - jbyteArray r) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this; - mpz_t _w; /* a temporary work mpi */ - jbyte *_r; - int rlength, sign, i; - unsigned long b; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _r = (*env)->GetByteArrayElements (env, r, NULL); - rlength = (*env)->GetArrayLength (env, r); - mpz_init (_w); - /* if this is negative set w to its 2's complement otherwise use as is. */ - sign = mpz_sgn (_this); - if (sign == 1) - { - mpz_set (_w, _this); - } - else - { - mpz_neg (_w, _this); - mpz_sub_ui (_w, _w, 1); - } - /* _w SHOULD be >= 0. - * start filling the array starting from the least significant byte. */ - for (i = rlength; --i >= 0; ) - { - b = mpz_tdiv_q_ui (_w, _w, 256); - b = (sign == -1) ? ~b : b; - _r[i] = (unsigned long)(b & 0xFF); - } - (*env)->ReleaseByteArrayElements (env, r, _r, JNI_COMMIT); - /* if _w > 0 the byte array was short. */ - if (mpz_cmp_ui (_w, 0) > 0) - { - TRACE("WARNING: byte array is too short"); - } - mpz_clear (_w); - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) r; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @return the "int" value (least significant 32 bits) of the absolute value - * of this NativeMPI. The calling code MUST handle the sign. We do - * this so we can use the same method when computing the "long" value - * as well. - */ -JNIEXPORT jint JNICALL -Java_gnu_java_math_GMP_natAbsIntValue(JNIEnv *env, - jobject this) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - TRACE("end"); - return ((jint)mpz_get_ui (_this)); -#else /* !defined(WITH_GNU_MP) */ - (void) s; - throw_config_exception(env); - return (-1); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @return the, eventually truncated, double value of this NativeMPI. - */ -JNIEXPORT jdouble JNICALL -Java_gnu_java_math_GMP_natDoubleValue(JNIEnv *env, - jobject this) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - TRACE("end"); - return ((jdouble)mpz_get_d (_this)); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - throw_config_exception(env); - return (0.0); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this a NativeMPI instance. - * @param x an instance of NativeMPI's Pointer. - * @return -1, 0, +1 if x is respectively less than, equal to, or greater - * than y. - */ -JNIEXPORT jint JNICALL -Java_gnu_java_math_GMP_natCompare(JNIEnv *env, jobject this, - jobject x) -{ -#if defined(WITH_GNU_MP) - mpz_ptr _this, _x; - int res; - - TRACE("begin"); - _this = (mpz_ptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _x = (mpz_ptr)JCL_GetRawData (env, x); - res = mpz_cmp (_this, _x); - TRACE("end"); - if (res == 0) - return ((jint)0); - else if (res < 0) - return ((jint)-1); - else - return ((jint)1); -#else /* !defined(WITH_GNU_MP) */ - (void) x; - (void) y; - throw_config_exception(env); - return (0); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @param x an instance of NativeMPI's Pointer. - * - * output: - * @param r a NativeMPI's Pointer such that r = this + x. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natAdd(JNIEnv *env, jobject this, - jobject x, jobject r) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this, _x; - mpz_ptr _r; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _x = (mpz_srcptr)JCL_GetRawData (env, x); - _r = (mpz_ptr)JCL_GetRawData (env, r); - mpz_add (_r, _this, _x); - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) x; - (void) r; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @param x an instance of NativeMPI's Pointer. - * - * output: - * @param r a NativeMPI's Pointer such that r = this - x. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natSubtract(JNIEnv *env, jobject this, - jobject x, jobject r) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this, _x; - mpz_ptr _r; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _x = (mpz_srcptr)JCL_GetRawData (env, x); - _r = (mpz_ptr)JCL_GetRawData (env, r); - mpz_sub (_r, _this, _x); - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) x; - (void) r; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @param x an instance of NativeMPI's Pointer. - * - * output: - * @param r a NativeMPI's Pointer such that r = this * x. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natMultiply(JNIEnv *env, jobject this, - jobject x, jobject r) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this, _x; - mpz_ptr _r; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _x = (mpz_srcptr)JCL_GetRawData (env, x); - _r = (mpz_ptr)JCL_GetRawData (env, r); - mpz_mul (_r, _this, _x); - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) x; - (void) r; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @param x an instance of NativeMPI's Pointer. - * - * output: - * @param r a NativeMPI's Pointer such that r = this div x. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natQuotient(JNIEnv *env, jobject this, - jobject x, jobject r) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this, _x; - mpz_ptr _r; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _x = (mpz_srcptr)JCL_GetRawData (env, x); - _r = (mpz_ptr)JCL_GetRawData (env, r); - mpz_tdiv_q (_r, _this, _x); - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) x; - (void) r; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @param x an instance of NativeMPI's Pointer. - * - * output: - * @param r a NativeMPI's Pointer such that r = this mod x. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natRemainder(JNIEnv *env, jobject this, - jobject x, jobject r) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this, _x; - mpz_ptr _r; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _x = (mpz_srcptr)JCL_GetRawData (env, x); - _r = (mpz_ptr)JCL_GetRawData (env, r); - mpz_tdiv_r (_r, _this, _x); - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) x; - (void) r; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @param x an instance of NativeMPI's Pointer. - * - * output: - * @param q a NativeMPI's Pointer such that q = this div x. - * @param r a NativeMPI's Pointer such that r = this mod x. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natQuotientAndRemainder(JNIEnv *env, - jobject this, - jobject x, - jobject q, - jobject r) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this, _x; - mpz_ptr _q, _r; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _x = (mpz_srcptr)JCL_GetRawData (env, x); - _q = (mpz_ptr)JCL_GetRawData (env, q); - _r = (mpz_ptr)JCL_GetRawData (env, r); - mpz_tdiv_qr (_q, _r, _this, _x); - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) x; - (void) q; - (void) r; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @param x an instance of NativeMPI's Pointer. - * - * output: - * @param r a NativeMPI's Pointer such that r = this mod x. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natModulo(JNIEnv *env, jobject this, - jobject x, jobject r) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this, _x; - mpz_ptr _r; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _x = (mpz_srcptr)JCL_GetRawData (env, x); - _r = (mpz_ptr)JCL_GetRawData (env, r); - mpz_mod (_r, _this, _x); - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) x; - (void) r; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @param n a non-negative number to raise this to. - * - * output: - * @param r a NativeMPI's Pointer such that r = this ** n. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natPow(JNIEnv *env, jobject this, - jint n, jobject r) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this; - mpz_ptr _r; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _r = (mpz_ptr)JCL_GetRawData (env, r); - mpz_pow_ui (_r, _this, (unsigned long)n); - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) n; - (void) r; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @param e an instance of NativeMPI's Pointer. - * @param m another instance of NativeMPI's Pointer. - * - * output: - * @param r a NativeMPI's Pointer such that r = (this**e) mod m. - * - * @throws java.lang.ArithmeticException if e is negative and (1 / this) mod m - * has no multiplicative inverse. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natModPow(JNIEnv *env, jobject this, - jobject e, jobject m, - jobject r) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this, _e, _m; - mpz_ptr _r; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _e = (mpz_srcptr)JCL_GetRawData (env, e); - _m = (mpz_srcptr)JCL_GetRawData (env, m); - _r = (mpz_ptr)JCL_GetRawData (env, r); - /* the documentation of mpz_powm(rop, b, e, m) states that it: "Set rop to - * (b raised to e) modulo m. Negative e is supported if an inverse b^-1 mod m - * exists.... If an inverse doesn't exist then a divide by zero is raised." - * to work around this case we use the same code as in the pure java class; - * i.e.: - * if (e.isNegative()) - * return this.modInverse(m).modPow(e.negate(), m); */ - if (mpz_sgn (_e) == -1) - { - mpz_t _w; /* a temporary work mpi */ - const int res = mpz_invert (_r, _this, _m); - if (res == 0) - { - JCL_ThrowException (env, "java/lang/ArithmeticException", - "No multiplicative inverse modulo the designated number exists"); - } - mpz_init (_w); - mpz_neg (_w, _e); - mpz_powm (_r, _r, _w, _m); - mpz_clear (_w); - } - else - { - mpz_powm (_r, _this, _e, _m); - } - - while (mpz_sgn (_r) == -1) - { - mpz_add (_r, _r, _m); - } - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) e; - (void) m; - (void) r; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @param m an instance of NativeMPI's Pointer. - * - * output: - * @param r a NativeMPI's Pointer such that r = (1 / this) mod m. - * @throws java.lang.ArithmeticException if (1 / this) mod m has no - * multiplicative inverse. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natModInverse(JNIEnv *env, - jobject this, - jobject m, jobject r) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this, _m; - mpz_ptr _r; - int res; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _m = (mpz_srcptr)JCL_GetRawData (env, m); - _r = (mpz_ptr)JCL_GetRawData (env, r); - res = mpz_invert (_r, _this, _m); - if (res == 0) - { - JCL_ThrowException (env, "java/lang/ArithmeticException", - "No multiplicative inverse modulo the designated number exists"); - } - - while (mpz_sgn (_r) == -1) - { - mpz_add (_r, _r, _m); - } - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) x; - (void) r; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @param x an instance of NativeMPI's Pointer. - * - * output: - * @param r a NativeMPI's Pointer such that r is the GCD of this and x. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natGCD(JNIEnv *env, jobject this, - jobject x, jobject r) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this, _x; - mpz_ptr _r; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _x = (mpz_srcptr)JCL_GetRawData (env, x); - _r = (mpz_ptr)JCL_GetRawData (env, r); - mpz_gcd (_r, _this, _x); - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) x; - (void) r; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @param n number of Miller-Rabin tests to conduct. - * @return 2 if this is definitely prime. Returns 1 if this is probably prime - * (without being certain). Finally, returns 0 if this is definitely - * composite. - */ -JNIEXPORT jint JNICALL -Java_gnu_java_math_GMP_natTestPrimality(JNIEnv *env, - jobject this, jint n) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - TRACE("end"); - return ((jint)mpz_probab_prime_p (_this, (int)n)); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) n; - throw_config_exception(env); - return (0); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @param n the non-negative number of positions to shift right this by. - * - * output: - * @param r a NativeMPI's Pointer such that r = this * 2**n. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natShiftLeft(JNIEnv *env, jobject this, - jint n, jobject r) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this; - mpz_ptr _r; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _r = (mpz_ptr)JCL_GetRawData (env, r); - mpz_mul_2exp (_r, _this, (unsigned long)n); - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) n; - (void) r; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @param n the non-negative number of positions to shift left this by. - * - * output: - * @param r a NativeMPI's Pointer such that r = floor(this / 2**n). - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natShiftRight(JNIEnv *env, - jobject this, jint n, - jobject r) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this; - mpz_ptr _r; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _r = (mpz_ptr)JCL_GetRawData (env, r); - mpz_fdiv_q_2exp (_r, _this, (unsigned long)n); - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) n; - (void) r; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @return the 0-based index of the lowest significant bit set (to 1) in this. - */ -JNIEXPORT jint JNICALL -Java_gnu_java_math_GMP_natLowestSetBit(JNIEnv *env, - jobject this) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - TRACE("end"); - return ((jint)mpz_scan1 (_this, 0)); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - throw_config_exception(env); - return (-1); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * - * output: - * @param r a NativeMPI's Pointer such that r = abs(x). - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natAbs(JNIEnv *env, jobject this, - jobject r) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this; - mpz_ptr _r; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _r = (mpz_ptr)JCL_GetRawData (env, r); - mpz_abs (_r, _this); - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) r; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * - * output: - * @param r a NativeMPI's Pointer such that r = -x. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natNegate(JNIEnv *env, jobject this, - jobject r) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this; - mpz_ptr _r; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _r = (mpz_ptr)JCL_GetRawData (env, r); - mpz_neg (_r, _this); - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) r; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @return the number of bits needed to represent this. - */ -JNIEXPORT jint JNICALL -Java_gnu_java_math_GMP_natBitLength(JNIEnv *env, jobject this) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - TRACE("end"); - return ((jint)mpz_sizeinbase (_this, 2)); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - throw_config_exception(env); - return (-1); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. It MUST be >= ZERO. - * @return the number of bits set (to 1) in this. - */ -JNIEXPORT jint JNICALL -Java_gnu_java_math_GMP_natSetBitCount(JNIEnv *env, - jobject this) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this; - mpz_ptr _bi; - unsigned long res = 0; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - switch (mpz_sgn (_this)) - { - case -1: - /* initialize --GMP sets the value to zero. */ - _bi = (mpz_ptr)JCL_malloc (env, sizeof (mpz_t)); - mpz_init (_bi); - mpz_neg (_bi, _this); - res = mpz_popcount (_bi); - mpz_clear (_bi); - free (_bi); - break; - case 0: - res = 0; - break; - case 1: - res = mpz_popcount (_this); - default: - JCL_ThrowException (env, "java/lang/Error", - "Unexpected sign value for a native MPI"); - } - TRACE("end"); - return ((jint)res); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - throw_config_exception(env); - return (ULONG_MAX); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @param x an instance of NativeMPI's Pointer. - * - * output: - * @param r a NativeMPI's Pointer such that r = this ^ x. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natXor(JNIEnv *env, jobject this, - jobject x, jobject r) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this, _x; - mpz_ptr _r; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _x = (mpz_srcptr)JCL_GetRawData (env, x); - _r = (mpz_ptr)JCL_GetRawData (env, r); - mpz_xor (_r, _this, _x); - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) x; - (void) r; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @param x an instance of NativeMPI's Pointer. - * - * output: - * @param r a NativeMPI's Pointer such that r = this | x. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natOr(JNIEnv *env, jobject this, - jobject x, jobject r) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this, _x; - mpz_ptr _r; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _x = (mpz_srcptr)JCL_GetRawData (env, x); - _r = (mpz_ptr)JCL_GetRawData (env, r); - mpz_ior (_r, _this, _x); - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) x; - (void) r; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @param x an instance of NativeMPI's Pointer. - * - * output: - * @param r a NativeMPI's Pointer such that r = this & x. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natAnd(JNIEnv *env, jobject this, - jobject x, jobject r) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this, _x; - mpz_ptr _r; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _x = (mpz_srcptr)JCL_GetRawData (env, x); - _r = (mpz_ptr)JCL_GetRawData (env, r); - mpz_and (_r, _this, _x); - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) x; - (void) r; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @param x an instance of NativeMPI's Pointer. - * - * output: - * @param r a NativeMPI's Pointer such that r = this & ~x. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natAndNot(JNIEnv *env, jobject this, - jobject x, jobject r) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this, _x; - mpz_ptr _r; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _x = (mpz_srcptr)JCL_GetRawData (env, x); - _r = (mpz_ptr)JCL_GetRawData (env, r); - mpz_com (_r, _x); - mpz_and (_r, _this, _r); - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) x; - (void) r; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @param n the 0-based index position of the bit to flip in this. n MUST be - * greater than, or equal to 0. - * - * output: - * @param r a copy of this NativeMPI's Pointer with its n-th bit flipped. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natFlipBit(JNIEnv *env, jobject this, - jint n, jobject r) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this; - mpz_ptr _r; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _r = (mpz_ptr)JCL_GetRawData (env, r); - mpz_set (_r, _this); - /* GNU MP versions earlier than 4.2 do not define this method: - * mpz_combit (_r, (unsigned long)n); */ - if (mpz_tstbit (_r, (unsigned long)n) == 1) - { - mpz_clrbit (_r, (unsigned long)n); - } - else - { - mpz_setbit (_r, (unsigned long)n); - } - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) n; - (void) r; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @param n the 0-based index position of the bit to test in this. n MUST be - * greater than, or equal to 0. - * @return +1, or -1 depending on whether the n-th bit in this is set or not - * respectively. - */ -JNIEXPORT jint JNICALL -Java_gnu_java_math_GMP_natTestBit(JNIEnv *env, jobject this, - jint n) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - TRACE("end"); - return ((jint)mpz_tstbit (_this, (unsigned long)n)); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) n; - throw_config_exception(env); - return (-1); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * @param n the 0-based index position of the bit to set, or clear, in this. - * n MUST be greater than, or equal to 0. - * @param setIt if true, then the n-th bit in this will be set, otherwise it - * will be cleared. - * - * output: - * @param r a copy of this NativeMPI's Pointer with its n-th bit set or cleared - * as requested. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natSetBit(JNIEnv *env, jobject this, - jint n, jboolean setIt, - jobject r) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this; - mpz_ptr _r; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _r = (mpz_ptr)JCL_GetRawData (env, r); - mpz_set (_r, _this); - if (setIt == JNI_TRUE) - { - mpz_setbit (_r, (unsigned long)n); - } - else - { - mpz_clrbit (_r, (unsigned long)n); - } - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) n; - (void) setIt; - (void) r; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} - -/* - * @param this an instance of NativeMPI. - * - * output: - * @param r a NativeMPI's Pointer such that r = ~this. - */ -JNIEXPORT void JNICALL -Java_gnu_java_math_GMP_natNot(JNIEnv *env, jobject this, - jobject r) -{ -#if defined(WITH_GNU_MP) - mpz_srcptr _this; - mpz_ptr _r; - - TRACE("begin"); - _this = (mpz_srcptr)JCL_GetRawData (env, (*env)->GetObjectField (env, this, native_ptr)); - _r = (mpz_ptr)JCL_GetRawData (env, r); - mpz_com (_r, _this); - TRACE("end"); -#else /* !defined(WITH_GNU_MP) */ - (void) this; - (void) r; - throw_config_exception(env); -#endif /* defined(WITH_GNU_MP) */ -} |
