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Merge pull request #4189 from martin-frbg/issue4186 

Prepare the interface for INCX < 0 in the new NRM2 implementation from BLAS 3.10
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Martin Kroeker 2023-08-10 14:11:12 +02:00 committed by GitHub
parent afdc56a421 4cc804c754
commit 7af0f41762
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 31 additions and 0 deletions
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interface/nrm2.c
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@ -54,6 +54,21 @@ FLOATRET NAME(blasint *N, FLOAT *x, blasint *INCX){
if (n <= 0) return 0.;
#ifndef COMPLEX
if (n == 1)
#ifdef DOUBLE
return fabs(x[0]);
#else
return fabsf(x[0]);
#endif
#endif
if (incx < 0)
#ifdef COMPLEX
x -= (n - 1) * incx * 2;
#else
x -= (n - 1) * incx;
#endif
IDEBUG_START;
FUNCTION_PROFILE_START();
@ -82,6 +97,22 @@ FLOAT CNAME(blasint n, FLOAT *x, blasint incx){
if (n <= 0) return 0.;
#ifndef COMPLEX
if (n == 1)
#ifdef DOUBLE
return fabs(x[0]);
#else
return fabsf(x[0]);
#endif
#endif
if (incx < 0)
#ifdef COMPLEX
x -= (n - 1) * incx * 2;
#else
x -= (n - 1) * incx;
#endif
IDEBUG_START;
FUNCTION_PROFILE_START();