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update linalg for ML-QUIP

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Axel Kohlmeyer
2024-11-09 04:04:52 -05:00
parent 324e795237
commit a1a2a54f72
69 changed files with 15699 additions and 0 deletions
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55
lib/linalg/zdotu.cpp Normal file
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#ifdef __cplusplus
extern "C" {
#endif
#include "lmp_f2c.h"
VOID zdotu_(doublecomplex *ret_val, integer *n, doublecomplex *zx, integer *incx, doublecomplex *zy,
integer *incy)
{
integer i__1, i__2, i__3;
doublecomplex z__1, z__2;
integer i__, ix, iy;
doublecomplex ztemp;
--zy;
--zx;
ztemp.r = 0., ztemp.i = 0.;
ret_val->r = 0., ret_val->i = 0.;
if (*n <= 0) {
return;
}
if (*incx == 1 && *incy == 1) {
i__1 = *n;
for (i__ = 1; i__ <= i__1; ++i__) {
i__2 = i__;
i__3 = i__;
z__2.r = zx[i__2].r * zy[i__3].r - zx[i__2].i * zy[i__3].i,
z__2.i = zx[i__2].r * zy[i__3].i + zx[i__2].i * zy[i__3].r;
z__1.r = ztemp.r + z__2.r, z__1.i = ztemp.i + z__2.i;
ztemp.r = z__1.r, ztemp.i = z__1.i;
}
} else {
ix = 1;
iy = 1;
if (*incx < 0) {
ix = (-(*n) + 1) * *incx + 1;
}
if (*incy < 0) {
iy = (-(*n) + 1) * *incy + 1;
}
i__1 = *n;
for (i__ = 1; i__ <= i__1; ++i__) {
i__2 = ix;
i__3 = iy;
z__2.r = zx[i__2].r * zy[i__3].r - zx[i__2].i * zy[i__3].i,
z__2.i = zx[i__2].r * zy[i__3].i + zx[i__2].i * zy[i__3].r;
z__1.r = ztemp.r + z__2.r, z__1.i = ztemp.i + z__2.i;
ztemp.r = z__1.r, ztemp.i = z__1.i;
ix += *incx;
iy += *incy;
}
}
ret_val->r = ztemp.r, ret_val->i = ztemp.i;
return;
}
#ifdef __cplusplus
}
#endif