This is a continuation of a question from :

https:$//$www$.$chegg.com$/$homework$-$help$/$questions$-$and$-$answers$/$complete$-$col$-$major$-$column$-$major$-$code$-$simd$-$using$-$c$--1-$vectcolsimdh$-$ifndef$-$vectcolsimdh$-$defi$-$q$181928410?$share$=7$e$25$e$242-$ec$96-4$c$53-8800-6$a$156$d$6$c$8871.$

I modified the code to look like below.

$//4.$ Matrix$\_$Col$\_$SIMD.cpp

#include "Vect$\_$Col$\_$SIMD.h$"$

#include "Matrix$\_$Col$\_$SIMD.h$"$

Matrix$\_$Col$\_$SIMD::Matrix$\_$Col$\_$SIMD$($const Vect$\_$Col$\_$SIMD &tV$0,$ const Vect$\_$Col$\_$SIMD &tV$1,$ const Vect$\_$Col$\_$SIMD &tV$2,$ const Vect$\_$Col$\_$SIMD &tV$3)$

: v$0($tV$0),$ v$1($tV$1),$ v$2($tV$2),$ v$3($tV$3)$

$\{$

$\}$

Vect$\_$Col$\_$SIMD Matrix$\_$Col$\_$SIMD::operator $*($const Vect$\_$Col$\_$SIMD &vb$)$

$\{$

$\_\_$m$128$ col$0=\_$mm$\_$load$\_$ps$($&v$0.$x$)$;

$\_\_$m$128$ col$1=\_$mm$\_$load$\_$ps$($&v$1.$x$)$;

$\_\_$m$128$ col$2=\_$mm$\_$load$\_$ps$($&v$2.$x$)$;

$\_\_$m$128$ col$3=\_$mm$\_$load$\_$ps$($&v$3.$x$)$;

$\_\_$m$128$ vec $=\_$mm$\_$set$\_$ps$($vb$.$w$,$ vb$.$z$,$ vb$.$y$,$ vb$.$x$)$;

$\_\_$m$128$ result $=\_$mm$\_$add$\_$ps$($

$\_$mm$\_$add$\_$ps$($

$\_$mm$\_$mul$\_$ps$(\_$mm$\_$shuffle$\_$ps$($vec$,$ vec, $0$x$00),$ col$0),$

$\_$mm$\_$mul$\_$ps$(\_$mm$\_$shuffle$\_$ps$($vec$,$ vec, $0$x$55),$ col$1)),$

$\_$mm$\_$add$\_$ps$($

$\_$mm$\_$mul$\_$ps$(\_$mm$\_$shuffle$\_$ps$($vec$,$ vec, $0$xAA$),$ col$2),$

$\_$mm$\_$mul$\_$ps$(\_$mm$\_$shuffle$\_$ps$($vec$,$ vec, $0$xFF$),$ col$3)))$;

Vect$\_$Col$\_$SIMD res;

$\_$mm$\_$store$\_$ps$($&res.x$,$ result$)$;

return res;

$\}$

Matrix$\_$Col$\_$SIMD Matrix$\_$Col$\_$SIMD::operator $*($const Matrix$\_$Col$\_$SIMD &mb$)$

$\{$

$\_\_$m$128$ ma$0=\_$mm$\_$load$\_$ps$($&v$0.$x$)$;

$\_\_$m$128$ ma$1=\_$mm$\_$load$\_$ps$($&v$1.$x$)$;

$\_\_$m$128$ ma$2=\_$mm$\_$load$\_$ps$($&v$2.$x$)$;

$\_\_$m$128$ ma$3=\_$mm$\_$load$\_$ps$($&v$3.$x$)$;

$\_\_$m$128$ mb$0=\_$mm$\_$load$\_$ps$($&mb$.$v$0.$x$)$;

$\_\_$m$128$ mb$1=\_$mm$\_$load$\_$ps$($&mb$.$v$1.$x$)$;

$\_\_$m$128$ mb$2=\_$mm$\_$load$\_$ps$($&mb$.$v$2.$x$)$;

$\_\_$m$128$ mb$3=\_$mm$\_$load$\_$ps$($&mb$.$v$3.$x$)$;

$\_\_$m$128$ mc$0=\_$mm$\_$add$\_$ps$($

$\_$mm$\_$add$\_$ps$($

$\_$mm$\_$mul$\_$ps$(\_$mm$\_$shuffle$\_$ps$($mb$0,$ mb$0,0$x$00),$ ma$0),$

$\_$mm$\_$mul$\_$ps$(\_$mm$\_$shuffle$\_$ps$($mb$1,$ mb$1,0$x$55),$ ma$1)),$

$\_$mm$\_$add$\_$ps$($

$\_$mm$\_$mul$\_$ps$(\_$mm$\_$shuffle$\_$ps$($mb$2,$ mb$2,0$xAA$),$ ma$2),$

$\_$mm$\_$mul$\_$ps$(\_$mm$\_$shuffle$\_$ps$($mb$3,$ mb$3,0$xFF$),$ ma$3)))$;

$//...$repeat mc$1,$ mc$2,$ mc$3$

Matrix$\_$Col$\_$SIMD result;

$\_$mm$\_$store$\_$ps$($&result.v$0.$x$,$ mc$0)$;

$\_$mm$\_$store$\_$ps$($&result.v$1.$x$,$ mc$1)$;

$\_$mm$\_$store$\_$ps$($&result.v$2.$x$,$ mc$2)$;

$\_$mm$\_$store$\_$ps$($&result.v$3.$x$,$ mc$3)$;

return result;

$\}$

$//---$ End of File $-----$

But when I run the test

Matrix$\_$Col$\_$SIMD Rx$($Vect$\_$Col$\_$SIMD$(1\mathrm{.}000000$f$,0\mathrm{.}000000$f$,0\mathrm{.}000000$f$,0\mathrm{.}000000$f$),$

Vect$\_$Col$\_$SIMD$(0\mathrm{.}000000$f$,-0\mathrm{.}500000$f$,-0\mathrm{.}866025$f$,0\mathrm{.}000000$f$),$

Vect$\_$Col$\_$SIMD$(0\mathrm{.}000000$f$,0\mathrm{.}866025$f$,-0\mathrm{.}500000$f$,0\mathrm{.}000000$f$),$

Vect$\_$Col$\_$SIMD$(0\mathrm{.}000000$f$,0\mathrm{.}000000$f$,0\mathrm{.}000000$f$,1\mathrm{.}000000$f$))$;

Matrix$\_$Col$\_$SIMD Ry$($Vect$\_$Col$\_$SIMD$(0\mathrm{.}707107$f$,0\mathrm{.}000000$f$,0\mathrm{.}707107$f$,0\mathrm{.}000000$f$),$

Vect$\_$Col$\_$SIMD$(0\mathrm{.}000000$f$,1\mathrm{.}000000$f$,0\mathrm{.}000000$f$,0\mathrm{.}000000$f$),$

Vect$\_$Col$\_$SIMD$(-0\mathrm{.}707107$f$,0\mathrm{.}000000$f$,0\mathrm{.}707107$f$,0\mathrm{.}000000$f$),$

Vect$\_$Col$\_$SIMD$(0\mathrm{.}000000$f$,0\mathrm{.}000000$f$,0\mathrm{.}000000$f$,1\mathrm{.}000000$f$))$;

Matrix$\_$Col$\_$SIMD Rz$($Vect$\_$Col$\_$SIMD$(0\mathrm{.}500000$f$,0\mathrm{.}866025$f$,0\mathrm{.}000000$f$,0\mathrm{.}000000$f$),$

Vect$\_$Col$\_$SIMD$(-0\mathrm{.}866025$f$,0\mathrm{.}500000$f$,0\mathrm{.}000000$f$,0\mathrm{.}000000$f$),$

Vect$\_$Col$\_$SIMD$(0\mathrm{.}000000$f$,0\mathrm{.}000000$f$,1\mathrm{.}000000$f$,0\mathrm{.}000000$f$),$

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