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merged with Michael Felts latest version

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This commit is contained in:
ceriel
1988-07-25 10:46:15 +00:00
parent f77c35733b
commit dc85e632db
40 changed files with 124 additions and 417 deletions
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14
mach/proto/fp/adf8.c
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@@ -6,7 +6,7 @@
/* $Header$ */
/*
ADD TWO FLOATS - DOUBLE
ADD TWO FLOATS - DOUBLE (ADF 8)
*/
#include "FP_types.h"
@@ -16,7 +16,7 @@ adf8(s2,s1)
_double s1,s2;
{
EXTEND e1,e2;
short swap;
int swap;
if (s1.__double[0] == 0 && s1.__double[1] == 0) {
s1 = s2;
@@ -28,10 +28,6 @@ _double s1,s2;
extend(&s1,&e1,sizeof(_double));
extend(&s2,&e2,sizeof(_double));
#ifdef PRT_EXT
prt_ext("ADF8: e1",&e1);
prt_ext("ADF8: e2",&e2);
#endif
/* adjust mantissas to equal powers */
if (e1.sign ^ e2.sign) { /* signs are different */
/* determine which is largest number */
@@ -42,9 +38,6 @@ _double s1,s2;
sft_ext(&e1,&e2);
/* subtract the extended formats */
if (swap) { /* &e2 is the largest number */
#ifdef PRT_EXT
fprintf(stderr,"ADF8: swaps and subtracts extended\n");
#endif
sub_ext(&e2,&e1);
e1 = e2;
}
@@ -57,9 +50,6 @@ _double s1,s2;
sft_ext(&e1,&e2);
add_ext(&e1,&e2);
}
#ifdef PRT_EXT
prt_ext("ADF8: e1 result",&e1);
#endif
compact(&e1,&s1,sizeof(_double));
return(s1);
}