/* dgennd.f -- translated by f2c (version 20061008). You must link the resulting object file with libf2c: on Microsoft Windows system, link with libf2c.lib; on Linux or Unix systems, link with .../path/to/libf2c.a -lm or, if you install libf2c.a in a standard place, with -lf2c -lm -- in that order, at the end of the command line, as in cc *.o -lf2c -lm Source for libf2c is in /netlib/f2c/libf2c.zip, e.g., http://www.netlib.org/f2c/libf2c.zip */ #include "f2c.h" #include "blaswrap.h" logical dgennd_(integer *m, integer *n, doublereal *a, integer *lda) { /* System generated locals */ integer a_dim1, a_offset, i__1; logical ret_val; /* Local variables */ integer i__, k; /* -- LAPACK test routine (version 3.1) -- */ /* Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. */ /* February 2008 */ /* .. Scalar Arguments .. */ /* .. */ /* .. Array Arguments .. */ /* .. */ /* Purpose */ /* ======= */ /* DGENND tests that its argument has a non-negative diagonal. */ /* Arguments */ /* ========= */ /* M (input) INTEGER */ /* The number of rows in A. */ /* N (input) INTEGER */ /* The number of columns in A. */ /* A (input) DOUBLE PRECISION array, dimension (LDA, N) */ /* The matrix. */ /* LDA (input) INTEGER */ /* Leading dimension of A. */ /* ===================================================================== */ /* .. Parameters .. */ /* .. */ /* .. Local Scalars .. */ /* .. */ /* .. Intrinsics .. */ /* .. */ /* .. Executable Statements .. */ /* Parameter adjustments */ a_dim1 = *lda; a_offset = 1 + a_dim1; a -= a_offset; /* Function Body */ k = min(*m,*n); i__1 = k; for (i__ = 1; i__ <= i__1; ++i__) { if (a[i__ + i__ * a_dim1] < 0.) { ret_val = FALSE_; return ret_val; } } ret_val = TRUE_; return ret_val; } /* dgennd_ */