diff options
Diffstat (limited to 'src/jogl/classes/com/jogamp/opengl/math/FloatUtil.java')
| -rw-r--r-- | src/jogl/classes/com/jogamp/opengl/math/FloatUtil.java | 88 |
1 files changed, 44 insertions, 44 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/math/FloatUtil.java b/src/jogl/classes/com/jogamp/opengl/math/FloatUtil.java index f3f44f15a..191a83241 100644 --- a/src/jogl/classes/com/jogamp/opengl/math/FloatUtil.java +++ b/src/jogl/classes/com/jogamp/opengl/math/FloatUtil.java @@ -40,7 +40,7 @@ import com.jogamp.common.os.Platform; * <p> * Derived from ProjectFloat.java - Created 11-jan-2004 * </p> - * + * * @author Erik Duijs * @author Kenneth Russell * @author Sven Gothel @@ -95,7 +95,7 @@ public class FloatUtil { m.put(ZERO_MATRIX); m.position(oldPos); } - + /** * @param a 4x4 matrix in column-major order * @param b 4x4 matrix in column-major order @@ -111,7 +111,7 @@ public class FloatUtil { d[d_off+i+3*4] = ai0 * b[b_off+0+3*4] + ai1 * b[b_off+1+3*4] + ai2 * b[b_off+2+3*4] + ai3 * b[b_off+3+3*4] ; } } - + /** * @param a 4x4 matrix in column-major order (also result) * @param b 4x4 matrix in column-major order @@ -127,7 +127,7 @@ public class FloatUtil { a[a_off_i+3*4] = ai0 * b[b_off+0+3*4] + ai1 * b[b_off+1+3*4] + ai2 * b[b_off+2+3*4] + ai3 * b[b_off+3+3*4] ; } } - + /** * @param a 4x4 matrix in column-major order * @param b 4x4 matrix in column-major order @@ -151,7 +151,7 @@ public class FloatUtil { * @param d result a*b in column-major order */ public static final void multMatrixf(final FloatBuffer a, final float[] b, int b_off, FloatBuffer d) { - final int aP = a.position(); + final int aP = a.position(); final int dP = d.position(); for (int i = 0; i < 4; i++) { // one row in column-major order @@ -162,13 +162,13 @@ public class FloatUtil { d.put(dP+i+3*4 , ai0 * b[b_off+0+3*4] + ai1 * b[b_off+1+3*4] + ai2 * b[b_off+2+3*4] + ai3 * b[b_off+3+3*4] ); } } - + /** * @param a 4x4 matrix in column-major order (also result) * @param b 4x4 matrix in column-major order */ public static final void multMatrixf(final FloatBuffer a, final float[] b, int b_off) { - final int aP = a.position(); + final int aP = a.position(); for (int i = 0; i < 4; i++) { // one row in column-major order final int aP_i = aP+i; @@ -186,7 +186,7 @@ public class FloatUtil { * @param d result a*b in column-major order */ public static final void multMatrixf(final FloatBuffer a, final FloatBuffer b, FloatBuffer d) { - final int aP = a.position(); + final int aP = a.position(); final int bP = b.position(); final int dP = d.position(); for (int i = 0; i < 4; i++) { @@ -198,13 +198,13 @@ public class FloatUtil { d.put(dP+i+3*4 , ai0 * b.get(bP+0+3*4) + ai1 * b.get(bP+1+3*4) + ai2 * b.get(bP+2+3*4) + ai3 * b.get(bP+3+3*4) ); } } - + /** * @param a 4x4 matrix in column-major order (also result) * @param b 4x4 matrix in column-major order */ public static final void multMatrixf(final FloatBuffer a, final FloatBuffer b) { - final int aP = a.position(); + final int aP = a.position(); final int bP = b.position(); for (int i = 0; i < 4; i++) { // one row in column-major order @@ -216,14 +216,14 @@ public class FloatUtil { a.put(aP_i+3*4 , ai0 * b.get(bP+0+3*4) + ai1 * b.get(bP+1+3*4) + ai2 * b.get(bP+2+3*4) + ai3 * b.get(bP+3+3*4) ); } } - + /** * @param a 4x4 matrix in column-major order * @param b 4x4 matrix in column-major order * @param d result a*b in column-major order */ public static final void multMatrixf(final FloatBuffer a, final FloatBuffer b, float[] d, int d_off) { - final int aP = a.position(); + final int aP = a.position(); final int bP = b.position(); for (int i = 0; i < 4; i++) { // one row in column-major order @@ -234,7 +234,7 @@ public class FloatUtil { d[d_off+i+3*4] = ai0 * b.get(bP+0+3*4) + ai1 * b.get(bP+1+3*4) + ai2 * b.get(bP+2+3*4) + ai3 * b.get(bP+3+3*4) ; } } - + /** * Normalize vector * @@ -242,7 +242,7 @@ public class FloatUtil { */ public static final void normalize(float[] v) { float r = (float) Math.sqrt(v[0] * v[0] + v[1] * v[1] + v[2] * v[2]); - + if ( r == 0.0 || r == 1.0) { return; } @@ -265,7 +265,7 @@ public class FloatUtil { float r = (float) Math.sqrt(v.get(0+vPos) * v.get(0+vPos) + v.get(1+vPos) * v.get(1+vPos) + v.get(2+vPos) * v.get(2+vPos)); - + if ( r == 0.0 || r == 1.0) { return; } @@ -341,7 +341,7 @@ public class FloatUtil { v_in[3] * m_in[3*4+i]; } } - + /** * @param m_in 4x4 matrix in column-major order * @param v_in 4-component column-vector @@ -355,10 +355,10 @@ public class FloatUtil { v_in[0+v_in_off] * m_in.get(0*4+i+matrixPos) + v_in[1+v_in_off] * m_in.get(1*4+i+matrixPos) + v_in[2+v_in_off] * m_in.get(2*4+i+matrixPos) + - v_in[3+v_in_off] * m_in.get(3*4+i+matrixPos); + v_in[3+v_in_off] * m_in.get(3*4+i+matrixPos); } } - + /** * @param m_in 4x4 matrix in column-major order * @param v_in 4-component column-vector @@ -372,10 +372,10 @@ public class FloatUtil { v_in[0] * m_in.get(0*4+i+matrixPos) + v_in[1] * m_in.get(1*4+i+matrixPos) + v_in[2] * m_in.get(2*4+i+matrixPos) + - v_in[3] * m_in.get(3*4+i+matrixPos); + v_in[3] * m_in.get(3*4+i+matrixPos); } } - + /** * @param m_in 4x4 matrix in column-major order * @param v_in 4-component column-vector @@ -395,7 +395,7 @@ public class FloatUtil { } } - /** + /** * @param sb optional passed StringBuilder instance to be used * @param f the format string of one floating point, i.e. "%10.5f", see {@link java.util.Formatter} * @param a mxn matrix (rows x columns) @@ -403,7 +403,7 @@ public class FloatUtil { * @param rows * @param columns * @param rowMajorOrder if true floats are layed out in row-major-order, otherwise column-major-order (OpenGL) - * @param row row number to print + * @param row row number to print * @return matrix row string representation */ public static StringBuilder matrixRowToString(StringBuilder sb, String f, FloatBuffer a, int aOffset, int rows, int columns, boolean rowMajorOrder, int row) { @@ -413,17 +413,17 @@ public class FloatUtil { final int a0 = aOffset + a.position(); if(rowMajorOrder) { for(int c=0; c<columns; c++) { - sb.append( String.format( f+" ", a.get( a0 + row*columns + c ) ) ); + sb.append( String.format( f+" ", a.get( a0 + row*columns + c ) ) ); } } else { for(int r=0; r<columns; r++) { - sb.append( String.format( f+" ", a.get( a0 + row + r*rows ) ) ); + sb.append( String.format( f+" ", a.get( a0 + row + r*rows ) ) ); } } return sb; } - /** + /** * @param sb optional passed StringBuilder instance to be used * @param f the format string of one floating point, i.e. "%10.5f", see {@link java.util.Formatter} * @param a mxn matrix (rows x columns) @@ -431,7 +431,7 @@ public class FloatUtil { * @param rows * @param columns * @param rowMajorOrder if true floats are layed out in row-major-order, otherwise column-major-order (OpenGL) - * @param row row number to print + * @param row row number to print * @return matrix row string representation */ public static StringBuilder matrixRowToString(StringBuilder sb, String f, float[] a, int aOffset, int rows, int columns, boolean rowMajorOrder, int row) { @@ -440,19 +440,19 @@ public class FloatUtil { } if(rowMajorOrder) { for(int c=0; c<columns; c++) { - sb.append( String.format( f+" ", a[ aOffset + row*columns + c ] ) ); + sb.append( String.format( f+" ", a[ aOffset + row*columns + c ] ) ); } } else { for(int r=0; r<columns; r++) { - sb.append( String.format( f+" ", a[ aOffset + row + r*rows ] ) ); + sb.append( String.format( f+" ", a[ aOffset + row + r*rows ] ) ); } } return sb; } - - /** + + /** * @param sb optional passed StringBuilder instance to be used - * @param rowPrefix optional prefix for each row + * @param rowPrefix optional prefix for each row * @param f the format string of one floating point, i.e. "%10.5f", see {@link java.util.Formatter} * @param a mxn matrix (rows x columns) * @param aOffset offset to <code>a</code>'s current position @@ -469,14 +469,14 @@ public class FloatUtil { for(int i=0; i<rows; i++) { sb.append(prefix).append("[ "); matrixRowToString(sb, f, a, aOffset, rows, columns, rowMajorOrder, i); - sb.append("]").append(Platform.getNewline()); + sb.append("]").append(Platform.getNewline()); } return sb; } - /** + /** * @param sb optional passed StringBuilder instance to be used - * @param rowPrefix optional prefix for each row + * @param rowPrefix optional prefix for each row * @param f the format string of one floating point, i.e. "%10.5f", see {@link java.util.Formatter} * @param a mxn matrix (rows x columns) * @param aOffset offset to <code>a</code>'s current position @@ -493,14 +493,14 @@ public class FloatUtil { for(int i=0; i<rows; i++) { sb.append(prefix).append("[ "); matrixRowToString(sb, f, a, aOffset, rows, columns, rowMajorOrder, i); - sb.append("]").append(Platform.getNewline()); + sb.append("]").append(Platform.getNewline()); } return sb; } - - /** + + /** * @param sb optional passed StringBuilder instance to be used - * @param rowPrefix optional prefix for each row + * @param rowPrefix optional prefix for each row * @param f the format string of one floating point, i.e. "%10.5f", see {@link java.util.Formatter} * @param a 4x4 matrix in column major order (OpenGL) * @param aOffset offset to <code>a</code>'s current position @@ -521,14 +521,14 @@ public class FloatUtil { matrixRowToString(sb, f, a, aOffset, rows, columns, rowMajorOrder, i); sb.append("=?= "); matrixRowToString(sb, f, b, bOffset, rows, columns, rowMajorOrder, i); - sb.append("]").append(Platform.getNewline()); + sb.append("]").append(Platform.getNewline()); } return sb; } - /** + /** * @param sb optional passed StringBuilder instance to be used - * @param rowPrefix optional prefix for each row + * @param rowPrefix optional prefix for each row * @param f the format string of one floating point, i.e. "%10.5f", see {@link java.util.Formatter} * @param a 4x4 matrix in column major order (OpenGL) * @param aOffset offset to <code>a</code>'s current position @@ -549,11 +549,11 @@ public class FloatUtil { matrixRowToString(sb, f, a, aOffset, rows, columns, rowMajorOrder, i); sb.append("=?= "); matrixRowToString(sb, f, b, bOffset, rows, columns, rowMajorOrder, i); - sb.append("]").append(Platform.getNewline()); + sb.append("]").append(Platform.getNewline()); } return sb; } - + public static final float E = 2.7182818284590452354f; public static final float PI = 3.14159265358979323846f; @@ -569,5 +569,5 @@ public class FloatUtil { public static float acos(float a) { return (float) java.lang.Math.acos(a); } public static float sqrt(float a) { return (float) java.lang.Math.sqrt(a); } - + }
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