本文整理了Java中org.apache.sis.math.Vector.doubleValue()
方法的一些代码示例,展示了Vector.doubleValue()
的具体用法。这些代码示例主要来源于Github
/Stackoverflow
/Maven
等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。Vector.doubleValue()
方法的具体详情如下:
包路径:org.apache.sis.math.Vector
类名称:Vector
方法名:doubleValue
[英]Returns the value at the given index as a double. This is the safest method since all primitive types supported by Vectorare convertible to the double type.
[中]以双精度形式返回给定索引处的值。这是最安全的方法,因为Vector支持的所有基元类型都可以转换为double类型。
代码示例来源:origin: org.apache.sis.core/sis-utility
/**
* Return the ordinate value at the given dimension.
*/
@Override
public double getOrdinate(final int dimension) {
return ordinates[dimension].doubleValue(index);
}
代码示例来源:origin: apache/sis
/**
* Return the ordinate value at the given dimension.
*/
@Override
public double getOrdinate(final int dimension) {
return ordinates[dimension].doubleValue(index);
}
代码示例来源:origin: org.apache.sis.core/sis-utility
/**
* Returns the value at the given index.
*/
@Override
public double doubleValue(int index) {
final Vector v;
if (index < limit) {
v = first;
} else {
v = second;
index -= limit;
}
return v.doubleValue(index);
}
代码示例来源:origin: apache/sis
/**
* Returns the value at the given index.
*/
@Override
public double doubleValue(int index) {
final Vector v;
if (index < limit) {
v = first;
} else {
v = second;
index -= limit;
}
return v.doubleValue(index);
}
代码示例来源:origin: org.apache.sis.core/sis-utility
@Override public double doubleValue(int i) {return Vector.this.doubleValue(indices[i]);}
@Override public float floatValue (int i) {return Vector.this.floatValue (indices[i]);}
代码示例来源:origin: apache/sis
@Override public double doubleValue(int i) {return Vector.this.doubleValue(indices[i]);}
@Override public float floatValue (int i) {return Vector.this.floatValue (indices[i]);}
代码示例来源:origin: org.apache.sis.core/sis-feature
/**
* Returns {@code true} if the last coordinate of the {@code previous} vector is equals to the first
* coordinate of the {@code next} vector.
*
* @param previous the previous vector.
* @param next the next vector.
* @param dimension number of dimension in each coordinate.
*/
private static boolean equals(final Vector previous, final Vector next, int dimension) {
int p = previous.size();
while (--dimension >= 0) {
if (next.doubleValue(dimension) != previous.doubleValue(--p)) {
return false;
}
}
return true;
}
}
代码示例来源:origin: apache/sis
/**
* Returns {@code true} if the last coordinate of the {@code previous} vector is equals to the first
* coordinate of the {@code next} vector.
*
* @param previous the previous vector.
* @param next the next vector.
* @param dimension number of dimension in each coordinate.
*/
private static boolean equals(final Vector previous, final Vector next, int dimension) {
int p = previous.size();
while (--dimension >= 0) {
if (next.doubleValue(dimension) != previous.doubleValue(--p)) {
return false;
}
}
return true;
}
}
代码示例来源:origin: org.apache.sis.storage/sis-netcdf
/**
* Returns a coordinate for the given two-dimensional grid coordinate axis.
* This is (indirectly) a callback method for {@link #getAxes()}.
*/
@Override
protected double coordinateForAxis(final Object axis, final int j, final int i) throws IOException, DataStoreException {
final VariableInfo v = ((VariableInfo) axis);
final int n = v.dimensions[0].length;
return v.read().doubleValue(j + n*i);
}
}
代码示例来源:origin: apache/sis
/**
* Returns a coordinate for the given two-dimensional grid coordinate axis.
* This is (indirectly) a callback method for {@link #getAxes()}.
*
* @throws ArithmeticException if the axis size exceeds {@link Integer#MAX_VALUE}, or other overflow occurs.
*/
@Override
protected double coordinateForAxis(final Variable axis, final int j, final int i) throws IOException, DataStoreException {
final VariableInfo v = (VariableInfo) axis;
final int n = v.dimensions[0].length;
return v.read().doubleValue(j + n*i);
}
代码示例来源:origin: org.apache.sis.core/sis-utility
@Override public double doubleValue(int index) {return Vector.this.doubleValue(toBacking(index));}
@Override public float floatValue (int index) {return Vector.this.floatValue (toBacking(index));}
代码示例来源:origin: apache/sis
@Override public final double doubleValue(int i) {return base.doubleValue(toBase(i));}
@Override public final float floatValue (int i) {return base.floatValue (toBase(i));}
代码示例来源:origin: apache/sis
@Override public double doubleValue(int index) {return Vector.this.doubleValue(toBacking(index));}
@Override public float floatValue (int index) {return Vector.this.floatValue (toBacking(index));}
代码示例来源:origin: org.apache.sis.core/sis-utility
/**
* Returns {@code true} if this vector contains only integer values.
* This method may iterate over all values for performing this verification.
*
* @return {@code true} if this vector contains only integer values.
*/
public boolean isInteger() {
if (!Numbers.isInteger(getElementType())) {
for (int i=size(); --i >= 0;) {
final double v = doubleValue(i);
if (v != Math.floor(v)) {
return false;
}
}
}
return true;
}
代码示例来源:origin: apache/sis
/**
* Returns {@code true} if this vector contains only integer values.
* This method may iterate over all values for performing this verification.
*
* @return {@code true} if this vector contains only integer values.
*/
public boolean isInteger() {
if (!Numbers.isInteger(getElementType())) {
for (int i=size(); --i >= 0;) {
final double v = doubleValue(i);
if (v != Math.floor(v)) {
return false;
}
}
}
return true;
}
代码示例来源:origin: apache/sis
/**
* Sets the {@link #affine} transform from a complete matrix.
*
* @param terms the matrix in a row-major fashion.
* @param size the matrix size, either 3 or 4.
*/
public void setGridToCRS(final Vector terms, final int size) {
final int length = terms.size();
completeMatrixSpecified = true;
affine = Matrices.createZero(size, size);
affine.setElement(size-1, size-1, 1);
for (int i=0; i<length; i++) {
affine.setElement(i / size, i % size, terms.doubleValue(i));
}
}
代码示例来源:origin: apache/sis
/**
* Asserts that the content of the given vector are equal.
* The vectors do not need to use the same element type.
*/
private static void assertContentEquals(final Vector expected, final Vector actual) {
final int length = expected.size();
assertEquals("size", length, actual.size());
for (int i=0; i<length; i++) {
assertEquals("value", expected.doubleValue(i), actual.doubleValue(i), STRICT);
}
}
}
代码示例来源:origin: apache/sis
/**
* Sets only the scale terms of the {@link #affine} transform.
* The translation terms are set to NaN, meaning they will need to be determined later.
*/
public void setScaleFactors(final Vector terms) {
final int size = terms.size();
completeMatrixSpecified = false;
affine = Matrices.createZero(size+1, size+1);
affine.setElement(size, size, 1);
for (int i=0; i<size; i++) {
double e = terms.doubleValue(i);
if (i == 1) e = -e; // Make y scale factor negative.
affine.setElement(i, i, e);
affine.setElement(i, size, Double.NaN);
}
}
代码示例来源:origin: apache/sis
/**
* Tests {@link SequenceVector} with float values.
*/
@Test
public void testSequenceOfFloats() {
vector = Vector.createSequence(100, 0.1, 10);
assertEquals(Double.class, vector.getElementType());
assertEquals(10, vector.size());
for (int i=0; i<vector.size(); i++) {
assertEquals(100 + 0.1*i, vector.doubleValue(i), 1E-10);
}
}
代码示例来源:origin: apache/sis
/**
* Tests a vector backed by an array of strings.
* This is not recommended, but happen in GDAL extensions of GeoTIFF.
* See {@code org.apache.sis.storage.geotiff.Type.ASCII}.
*/
@Test
public void testStringArray() {
vector = Vector.create(new String[] {"100", "80", "-20"}, false);
assertEquals( 3, vector.size());
assertEquals(100, vector.intValue(0));
assertEquals( 80, vector.shortValue(1));
assertEquals(-20, vector.doubleValue(2), STRICT);
}
内容来源于网络,如有侵权,请联系作者删除!