44 lines
1.1 KiB
C++
44 lines
1.1 KiB
C++
#ifdef __cplusplus
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extern "C" {
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#endif
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#include "lmp_f2c.h"
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int zdscal_(integer *n, doublereal *da, doublecomplex *zx, integer *incx)
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{
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integer i__1, i__2, i__3, i__4;
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doublereal d__1, d__2;
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doublecomplex z__1;
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double d_lmp_imag(doublecomplex *);
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integer i__, nincx;
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--zx;
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if (*n <= 0 || *incx <= 0 || *da == 1.) {
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return 0;
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}
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if (*incx == 1) {
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i__1 = *n;
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for (i__ = 1; i__ <= i__1; ++i__) {
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i__2 = i__;
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i__3 = i__;
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d__1 = *da * zx[i__3].r;
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d__2 = *da * d_lmp_imag(&zx[i__]);
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z__1.r = d__1, z__1.i = d__2;
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zx[i__2].r = z__1.r, zx[i__2].i = z__1.i;
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}
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} else {
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nincx = *n * *incx;
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i__1 = nincx;
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i__2 = *incx;
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for (i__ = 1; i__2 < 0 ? i__ >= i__1 : i__ <= i__1; i__ += i__2) {
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i__3 = i__;
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i__4 = i__;
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d__1 = *da * zx[i__4].r;
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d__2 = *da * d_lmp_imag(&zx[i__]);
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z__1.r = d__1, z__1.i = d__2;
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zx[i__3].r = z__1.r, zx[i__3].i = z__1.i;
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}
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}
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return 0;
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}
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#ifdef __cplusplus
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}
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#endif
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