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Diffstat (limited to 'libjava/java/lang/natMath.cc')
| -rw-r--r-- | libjava/java/lang/natMath.cc | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/libjava/java/lang/natMath.cc b/libjava/java/lang/natMath.cc deleted file mode 100644 index 8e2f644e7c9..00000000000 --- a/libjava/java/lang/natMath.cc +++ /dev/null @@ -1,263 +0,0 @@ -/* Copyright (C) 1998, 1999, 2000 Free Software Foundation - - This file is part of libgcj. - -This software is copyrighted work licensed under the terms of the -Libgcj License. Please consult the file "LIBGCJ_LICENSE" for -details. */ - -/** - * @author Andrew Haley <aph@cygnus.com> - * @date Tue Sep 22 1998 */ -/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3 - * "The Java Language Specification", ISBN 0-201-63451-1 - * plus online API docs for JDK 1.2 beta from http://www.javasoft.com. - * Status: Believed complete and correct. - */ - -#include <config.h> - -#include <java/lang/String.h> -#include <java/lang/Float.h> -#include <java/lang/Double.h> -#include <java/lang/Integer.h> -#include <java/lang/Long.h> -#include <java/lang/Math.h> -#include <gcj/array.h> - -#include "fdlibm.h" - -jdouble java::lang::Math::cos(jdouble x) -{ - return (jdouble)::cos((double)x); -} - -jdouble java::lang::Math::sin(jdouble x) -{ - return (jdouble)::sin((double)x); -} - -jdouble java::lang::Math::tan(jdouble x) -{ - return (jdouble)::tan((double)x); -} - -jdouble java::lang::Math::asin(jdouble x) -{ - return (jdouble)::asin((double)x); -} - -jdouble java::lang::Math::acos(jdouble x) -{ - return (jdouble)::acos((double)x); -} - -jdouble java::lang::Math::atan(jdouble x) -{ - return (jdouble)::atan((double)x); -} - -jdouble java::lang::Math::atan2(jdouble y, jdouble x) -{ - return (jdouble)::atan2((double)y, (double)x); -} - -jdouble java::lang::Math::log(jdouble x) -{ - return (jdouble)::log((double)x); -} - -jdouble java::lang::Math::exp(jdouble x) -{ - return (jdouble)::exp((double)x); -} - -jdouble java::lang::Math::sqrt(jdouble x) -{ - return (jdouble)::sqrt((double)x); -} - -jdouble java::lang::Math::pow(jdouble y, jdouble x) -{ - return (jdouble)::pow((double)y, (double)x); -} - -jdouble java::lang::Math::IEEEremainder(jdouble y, jdouble x) -{ - return (jdouble)::__ieee754_remainder((double)y, (double)x); -} - -jdouble java::lang::Math::abs(jdouble x) -{ - return (jdouble)::fabs((double)x); -} - -jfloat java::lang::Math::abs(jfloat x) -{ - return (jfloat)::fabsf((float)x); -} - -jdouble java::lang::Math::rint(jdouble x) -{ - return (jdouble)::rint((double)x); -} - -jint java::lang::Math::round(jfloat x) -{ - if (x != x) - return 0; - if (x <= (jfloat)java::lang::Integer::MIN_VALUE) - return java::lang::Integer::MIN_VALUE; - if (x >= (jfloat)java::lang::Integer::MAX_VALUE) - return java::lang::Integer::MAX_VALUE; - - return (jint)::rintf((float)x); -} - -jlong java::lang::Math::round(jdouble x) -{ - if (x != x) - return 0; - if (x <= (jdouble)java::lang::Long::MIN_VALUE) - return java::lang::Long::MIN_VALUE; - if (x >= (jdouble)java::lang::Long::MAX_VALUE) - return java::lang::Long::MAX_VALUE; - - return (jlong)::rint((double)x); -} - -jdouble java::lang::Math::floor(jdouble x) -{ - return (jdouble)::floor((double)x); -} - -jdouble java::lang::Math::ceil(jdouble x) -{ - return (jdouble)::ceil((double)x); -} - -static inline int -floatToIntBits (jfloat value) -{ - union { - jint l; - jfloat d; - } u; - u.d = value; - return u.l; -} - -static inline bool -isNaN (jint bits) -{ - jint e = bits & 0x7f800000; - jint f = bits & 0x007fffff; - - return e == 0x7f800000 && f != 0; -} - -jfloat -java::lang::Math::min(jfloat a, jfloat b) -{ - jint abits = floatToIntBits (a); - jint bbits = floatToIntBits (b); - - if (isNaN (abits) || isNaN (bbits)) - return java::lang::Float::NaN; - - if (abits >= 0) // a is +ve - return bbits < 0 ? b // a is +ve, b is -ve. - // a and b are both +ve, so compare magnitudes: the number with - // the smallest magnitude is the smallest - : (abits < bbits ? a : b); - else // a is -ve - return bbits >= 0 ? a // a is -ve, b is +ve. - // a and b are both -ve, so compare magnitudes: the number with - // the biggest magnitude is the smallest - : (abits > bbits ? a : b); -} - -jfloat -java::lang::Math::max(jfloat a, jfloat b) -{ - jint abits = floatToIntBits (a); - jint bbits = floatToIntBits (b); - - if (isNaN (abits) || isNaN (bbits)) - return java::lang::Float::NaN; - - if (abits >= 0) // a is +ve - return bbits < 0 ? a // a is +ve, b is -ve. - // a and b are both +ve, so compare magnitudes: the number with - // the smallest magnitude is the smallest - : (abits > bbits ? a : b); - else // a is -ve - return bbits >= 0 ? b // a is -ve, b is +ve. - // a and b are both -ve, so compare magnitudes: the number with - // the biggest magnitude is the smallest - : (abits < bbits ? a : b); -} - -static inline jlong -doubleToLongBits (jdouble value) -{ - union { - jlong l; - jdouble d; - } u; - u.d = value; - return u.l; -} - -static inline bool -isNaN (jlong bits) -{ - jlong e = bits & 0x7ff0000000000000LL; - jlong f = bits & 0x000fffffffffffffLL; - - return e == 0x7ff0000000000000LL && f != 0LL; -} - - -jdouble -java::lang::Math::min(jdouble a, jdouble b) -{ - jlong abits = doubleToLongBits (a); - jlong bbits = doubleToLongBits (b); - - if (isNaN (abits) || isNaN (bbits)) - return java::lang::Double::NaN; - - if (abits >= 0LL) // a is +ve - return bbits < 0LL ? b // a is +ve, b is -ve. - // a and b are both +ve, so compare magnitudes: the number with - // the smallest magnitude is the smallest - : (abits < bbits ? a : b); - else // a is -ve - return bbits >= 0LL ? a // a is -ve, b is +ve. - // a and b are both -ve, so compare magnitudes: the number with - // the biggest magnitude is the smallest - : (abits > bbits ? a : b); -} - -jdouble -java::lang::Math::max(jdouble a, jdouble b) -{ - jlong abits = doubleToLongBits (a); - jlong bbits = doubleToLongBits (b); - - if (isNaN (abits) || isNaN (bbits)) - return java::lang::Double::NaN; - - if (abits >= 0LL) // a is +ve - return bbits < 0LL ? a // a is +ve, b is -ve. - // a and b are both +ve, so compare magnitudes: the number with - // the smallest magnitude is the smallest - : (abits > bbits ? a : b); - else // a is -ve - return bbits >= 0LL ? b // a is -ve, b is +ve. - // a and b are both -ve, so compare magnitudes: the number with - // the biggest magnitude is the smallest - : (abits < bbits ? a : b); -} - |