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Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main

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slmnemo 2022-05-25 17:03:26 -07:00
commit 17dff315f4
2 changed files with 38 additions and 35 deletions
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71
pipelined/srt/exptestgen.c
View File

@ -21,7 +21,7 @@
/* Prototypes */
void output(FILE *fptr, int signa, int e1, double a, int signb, int e2, double b, int r_sign, int r_exp, double r_mantissa);
void output(FILE *fptr, int aSign, int aExp, double aFrac, int bSign, int bExp, double bFrac, int rSign, int rExp, double rFrac);
void printhex(FILE *fptr, double x);
double random_input(void);
double random_input_e(void);
@ -31,12 +31,13 @@ double random_input_e(void);
void main(void)
{
FILE *fptr;
// e1 & e2 are exponents
// a & b are mantissas
// r_mantissa is result of mantissa divsion
// r_exp is result of exponent division
double a, b, r_mantissa, r_exp, r_sign;
int e1, e2, signa, signb;
// aExp & bExp are exponents
// aFrac & bFrac are mantissas
// rFrac is result of fractional divsion
// rExp is result of exponent division
double aFrac, bFrac, rFrac;
int aExp, bExp, rExp;
int aSign, bSign, rSign;
double mantissa[ENTRIES] = {1, 1.5, 1.25, 1.125, 1.0625,
1.75, 1.875, 1.99999,
1.1, 1.2, 1.01, 1.001, 1.0001,
@ -51,28 +52,28 @@ void main(void)
}
for (i=0; i<ENTRIES; i++) {
b = mantissa[i];
e2 = exponent[i] + bias;
signb = i%2;
bFrac = mantissa[i];
bExp = exponent[i] + bias;
bSign = i%2;
for (j=0; j<ENTRIES; j++) {
a = mantissa[j];
e1 = exponent[j] + bias;
signa = j%2;
r_mantissa = a/b;
r_exp = e1 - e2 + bias;
r_sign = (i+j)%2;
output(fptr, signa, e1, a, signb, e2, b, r_sign, r_exp, r_mantissa);
aFrac = mantissa[j];
aExp = exponent[j] + bias;
aSign = j%2;
rFrac = aFrac/bFrac;
rExp = aExp - bExp + bias;
rSign = (i+j)%2;
output(fptr, aSign, aExp, aFrac, bSign, bExp, bFrac, rSign, rExp, rFrac);
}
}
// for (i = 0; i< RANDOM_VECS; i++) {
// a = random_input();
// b = random_input();
// e1 = random_input_e() + BIAS; // make new random input function for exponents
// e2 = random_input_e() + BIAS;
// r_mantissa = a/b;
// r_exp = e1 - e2 + BIAS;
// output(fptr, e1, a, e2, b, r_exp, r_mantissa);
// aFrac = random_input();
// bFrac = random_input();
// aExp = random_input_e() + BIAS; // make new random input function for exponents
// bExp = random_input_e() + BIAS;
// rFrac = a/b;
// rEx[] = e1 - e2 + BIAS;
// output(fptr, aExp, aFrac, bExp, bFrac, rExp, rFrac);
// }
fclose(fptr);
@ -80,19 +81,21 @@ void main(void)
/* Functions */
void output(FILE *fptr, int signa, int e1, double a, int signb, int e2, double b, int r_sign, int r_exp, double r_mantissa)
void output(FILE *fptr, int aSign, int aExp, double aFrac, int bSign, int bExp, double bFrac, int rSign, int rExp, double rFrac)
{
fprintf(fptr, "%03x", e1|(signa<<11));
//printhex(fptr, e1, exp);
printhex(fptr, a);
// Print a in standard double format
fprintf(fptr, "%03x", aExp|(aSign<<11));
printhex(fptr, aFrac);
fprintf(fptr, "_");
fprintf(fptr, "%03x", e2|(signb<<11));
//printhex(fptr, e2, exp);
printhex(fptr, b);
// Print b in standard double format
fprintf(fptr, "%03x", bExp|(bSign<<11));
printhex(fptr, bFrac);
fprintf(fptr, "_");
fprintf(fptr, "%03x", r_exp|(r_sign<<11));
//printhex(fptr, r_exp, exp);
printhex(fptr, r_mantissa);
// Print r in standard double format
fprintf(fptr, "%03x", rExp|(rSign<<11));
printhex(fptr, rFrac);
fprintf(fptr, "\n");
}

2
pipelined/srt/testvectors
View File

@ -286,4 +286,4 @@ c0b004189374bc6a_410c71c71c71c71c_bfa2049ba5e353f8
c0dd1745d1745d17_410c71c71c71c71c_bfc05d1745d1745d
40e5555555555555_410c71c71c71c71c_3fd8000000000000
c0f999999999999a_410c71c71c71c71c_bfecccccccccccce
410c71c71c71c71c_410c71c71c71c71c_3ff0000000000000
410c71c71c71c71c_410c71c71c71c71c_3ff0000000000000