org.apfloat.internal

Class FloatCRTMath

• All Implemented Interfaces:
Serializable
Direct Known Subclasses:
FloatCarryCRTStepStrategy

```public class FloatCRTMath
extends FloatBaseMath```
Basic arithmetic for calculating the Chinese Remainder Theorem. Works for the `float` type.
Version:
1.6
Author:
Mikko Tommila
Serialized Form
• Constructor Summary

Constructors
Constructor and Description
`FloatCRTMath(int radix)`
Creates a carry-CRT math using the specified radix.
• Method Summary

All Methods
Modifier and Type Method and Description
`float` ```add(float[] src, float[] srcDst)```
`float` ```compare(float[] src1, float[] src2)```
Compares three words.
`float` `divide(float[] srcDst)`
Divides three words by the base to produce two words.
`void` ```multiply(float[] src, float factor, float[] dst)```
Multiplies two words by one word to produce a result of three words.
`void` ```subtract(float[] src, float[] srcDst)```
Subtracts three words.
• Methods inherited from class org.apfloat.internal.FloatBaseMath

`baseAdd, baseDivide, baseMultiplyAdd, baseSubtract`
• Methods inherited from class java.lang.Object

`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`
• Constructor Detail

• FloatCRTMath

`public FloatCRTMath(int radix)`
Creates a carry-CRT math using the specified radix.
Parameters:
`radix` - The radix that will be used.
• Method Detail

• multiply

```public final void multiply(float[] src,
float factor,
float[] dst)```
Multiplies two words by one word to produce a result of three words. Most significant word is stored first.
Parameters:
`src` - Source array, first multiplicand.
`factor` - Second multiplicand.
`dst` - Destination array.
• compare

```public final float compare(float[] src1,
float[] src2)```
Compares three words. Most significant word is stored first.
Parameters:
`src1` - First operand.
`src2` - Second operand.
Returns:
Less than zero if `src1 < src2`, greater than zero if `src1 > src2` and zero if `src1 == src2`.

```public final float add(float[] src,
float[] srcDst)```
Adds three words. Most significant word is stored first.
Parameters:
`src` - First operand.
`srcDst` - Second operand, and destination of the operation.
Returns:
Overflow carry bit.
• subtract

```public final void subtract(float[] src,
float[] srcDst)```
Subtracts three words. Most significant word is stored first.
Parameters:
`src` - First operand.
`srcDst` - Second operand, and destination of the operation.
• divide

`public final float divide(float[] srcDst)`
Divides three words by the base to produce two words. Most significant word is stored first.
Parameters:
`srcDst` - Source and destination of the operation.
Returns:
Remainder of the division.