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#include <stdio.h> |
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#include <stdlib.h> |
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#include "cblas.h" |
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#include "cblas_f77.h" |
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void cblas_cgerc(const enum CBLAS_ORDER order, const CBLAS_INT_TYPE M, const CBLAS_INT_TYPE N, |
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const void *alpha, const void *X, const CBLAS_INT_TYPE incX, |
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const void *Y, const CBLAS_INT_TYPE incY, void *A, const CBLAS_INT_TYPE lda) |
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{ |
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#ifdef F77_INT |
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F77_INT F77_M=M, F77_N=N, F77_lda=lda, F77_incX=incX, F77_incY=incY; |
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#else |
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#define F77_M M |
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#define F77_N N |
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#define F77_incX incX |
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#define F77_incY incy |
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#define F77_lda lda |
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#endif |
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CBLAS_INT_TYPE n, i, tincy, incy=incY; |
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float *y=(float *)Y, *yy=(float *)Y, *ty, *st; |
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if (order == CblasColMajor) |
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{ |
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F77_cgerc( &F77_M, &F77_N, alpha, X, &F77_incX, Y, &F77_incY, A, |
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&F77_lda); |
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} else if (order == CblasRowMajor) |
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{ |
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if (N > 0) |
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{ |
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n = N << 1; |
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y = malloc(n*sizeof(float)); |
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ty = y; |
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if( incY > 0 ) { |
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i = incY << 1; |
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tincy = 2; |
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st= y+n; |
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} else { |
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i = incY *(-2); |
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tincy = -2; |
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st = y-2; |
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y +=(n-2); |
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} |
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do |
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{ |
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*y = *yy; |
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y[1] = -yy[1]; |
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y += tincy ; |
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yy += i; |
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} |
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while (y != st); |
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y = ty; |
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#ifdef F77_INT |
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F77_incY = 1; |
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#else |
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incy = 1; |
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#endif |
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} |
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else y = (float *) Y; |
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F77_cgeru( &F77_N, &F77_M, alpha, y, &F77_incY, X, &F77_incX, A, |
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&F77_lda); |
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if(Y!=y) |
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free(y); |
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} else cblas_xerbla(1, "cblas_cgerc", "Illegal Order setting, %d\n", order); |
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return; |
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} |
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