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Searched refs:exponent (Results 1 – 25 of 47) sorted by relevance

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/arch/parisc/math-emu/
Dcnv_float.h46 #define Sgl_isinexact_to_fix(sgl_value,exponent) \ argument
47 ((exponent < (SGL_P - 1)) ? \
48 (Sall(sgl_value) << (SGL_EXP_LENGTH + 1 + exponent)) : FALSE)
73 #define Sgl_isone_roundbit(sgl_value,exponent) \ argument
74 ((Sall(sgl_value) << (SGL_EXP_LENGTH + 1 + exponent)) >> 31)
76 #define Sgl_isone_stickybit(sgl_value,exponent) \ argument
77 (exponent < (SGL_P - 2) ? \
78 Sall(sgl_value) << (SGL_EXP_LENGTH + 2 + exponent) : FALSE)
178 #define Dbl_isinexact_to_fix(dbl_valueA,dbl_valueB,exponent) \ argument
179 (exponent < (DBL_P-33) ? \
[all …]
Ddenormal.c47 int sign, exponent; in sgl_denormalize() local
52 exponent = Sgl_exponent(opnd) - SGL_WRAP; in sgl_denormalize()
54 Sgl_denormalize(opnd,exponent,guardbit,stickybit,inexact); in sgl_denormalize()
88 int sign, exponent; in dbl_denormalize() local
94 exponent = Dbl_exponent(opndp1) - DBL_WRAP; in dbl_denormalize()
96 Dbl_denormalize(opndp1,opndp2,exponent,guardbit,stickybit,inexact); in dbl_denormalize()
Dsgl_float.h182 #define Sgl_setwrapped_exponent(sgl_value,exponent,op) \ argument
183 Deposit_sexponent(sgl_value,(exponent op SGL_WRAP))
249 #define Sgl_normalize(sgl_opnd,exponent) \ argument
252 exponent -= 8; \
256 exponent -= 4; \
260 exponent -= 1; \
289 #define Sgl_denormalize(opnd,exponent,guard,sticky,inexact) \ argument
291 if (exponent >= (1 - SGL_P)) { \
292 guard = (Sall(opnd) >> -exponent) & 1; \
293 if (exponent < 0) sticky |= Sall(opnd) << (32+exponent); \
[all …]
Ddbl_float.h305 #define Dbl_setwrapped_exponent(dbl_value,exponent,op) \ argument
306 Deposit_dexponent(dbl_value,(exponent op DBL_WRAP))
429 #define Dbl_normalize(dbl_opndA,dbl_opndB,exponent) \ argument
432 exponent -= 8; \
436 exponent -= 4; \
440 exponent -= 1; \
489 #define Dbl_denormalize(opndp1,opndp2,exponent,guard,sticky,inexact) \ argument
491 if (exponent >= (1-DBL_P)) { \
492 if (exponent >= -31) { \
493 guard = (Dallp2(opndp2) >> -exponent) & 1; \
[all …]
/arch/x86/math-emu/
Dpoly_atan.c56 int exponent; in poly_atan() local
64 exponent = exponent(st0_ptr); in poly_atan()
68 exponent = exponent16(st0_ptr); in poly_atan()
71 exponent -= exponent(st1_ptr); in poly_atan()
75 exponent -= exponent16(st1_ptr); in poly_atan()
78 if ((exponent < 0) || ((exponent == 0) && in poly_atan()
88 exponent = -exponent; in poly_atan()
94 exponent += norm_Xsig(&argSignif); in poly_atan()
96 if ((exponent >= -1) in poly_atan()
97 || ((exponent == -2) && (argSignif.msw > 0xd413ccd0))) { in poly_atan()
[all …]
Dpoly_2xm1.c55 long int exponent, shift; in poly_2xm1() local
60 exponent = exponent16(arg); in poly_2xm1()
63 if (exponent >= 0) { /* Don't want a |number| >= 1.0 */ in poly_2xm1()
73 if (exponent == -1) { in poly_2xm1()
76 exponent -= 2; in poly_2xm1()
79 } else if (exponent == -2) { in poly_2xm1()
82 exponent--; in poly_2xm1()
88 if (exponent < -2) { in poly_2xm1()
90 if (FPU_shrx(&Xll, -2 - exponent) >= 0x80000000U) in poly_2xm1()
100 add_two_Xsig(&accumulator, &argSignif, &exponent); in poly_2xm1()
[all …]
Dpoly_l2.c29 long int exponent, expon, expon_expon; in poly_l2() local
35 exponent = exponent16(st0_ptr); in poly_l2()
42 exponent++; in poly_l2()
60 if (exponent < 0) { in poly_l2()
62 exponent = -exponent; in poly_l2()
65 expon_accum.msw = exponent; in poly_l2()
67 if (exponent) { in poly_l2()
110 long int exponent; in poly_l2p1() local
114 log2_kernel(st0_ptr, sign0, &accumulator, &exponent); in poly_l2p1()
120 exponent += round_Xsig(&accumulator); in poly_l2p1()
[all …]
Dpoly_tan.c53 long int exponent; in poly_tan() local
59 exponent = exponent(st0_ptr); in poly_tan()
69 if ((exponent == 0) in poly_tan()
70 || ((exponent == -1) && (st0_ptr->sigh > 0xc90fdaa2))) { in poly_tan()
76 if (exponent == 0) { in poly_tan()
94 exponent = -1 + norm_Xsig(&argSignif); in poly_tan()
100 if (exponent < -1) { in poly_tan()
102 if (FPU_shrx(&XSIG_LL(accum), -1 - exponent) >= in poly_tan()
138 shr_Xsig(&accumulatore, -2 * (1 + exponent) + 1); in poly_tan()
158 shr_Xsig(&accum, -2 * (exponent + 1)); in poly_tan()
[all …]
Dpoly_sin.c60 int exponent, echange; in poly_sine() local
66 exponent = exponent(st0_ptr); in poly_sine()
72 if ((exponent < -1) in poly_sine()
73 || ((exponent == -1) && (st0_ptr->sigh <= 0xe21240aa))) { in poly_sine()
80 shr_Xsig(&argSqrd, 2 * (-1 - exponent)); in poly_sine()
102 exponent = 3 * exponent; in poly_sine()
105 shr_Xsig(&accumulator, exponent(st0_ptr) - exponent); in poly_sine()
112 setexponentpos(&result, exponent(st0_ptr) + echange); in poly_sine()
119 if (exponent == 0) { in poly_sine()
190 if ((exponent(&result) >= 0) in poly_sine()
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Dfpu_trig.c42 if (exponent(st0_ptr) >= 63) { in trig_arg()
61 q, exponent(st0_ptr) - exponent(&CONST_PI2)); in trig_arg()
62 setexponent16(&tmp, exponent(&CONST_PI2)); in trig_arg()
77 if ((exponent(st0_ptr) <= exponent(&CONST_PI2extra) + 64) in trig_arg()
88 exponent(&CONST_PI2extra) + in trig_arg()
89 exponent(&tmp)); in trig_arg()
110 && (exponent(st0_ptr) <= exponent(&CONST_PI2extra) + 64)) in trig_arg()
121 exponent(&CONST_PI2extra) + in trig_arg()
122 exponent(&tmp)); in trig_arg()
126 if ((exponent(st0_ptr) == exponent(&CONST_PI2)) && in trig_arg()
[all …]
Dfpu_tags.c64 int exp = exponent(ptr); in FPU_Special()
77 return ((exponent(ptr) == EXP_BIAS + EXP_OVER) in isNaN()
Dreg_mul.c44 exponent(a) + exponent(b)); in FPU_mul()
Dreg_convert.c24 setexponent16(x, exponent(a)); in FPU_to_exp16()
Dreg_compare.c96 unsupported = !((exponent(st0_ptr) == EXP_OVER) in compare()
103 unsupported |= !((exponent(b) == EXP_OVER) in compare()
130 exp0 = exponent(st0_ptr); in compare()
131 expb = exponent(b); in compare()
Dreg_add_sub.c48 expa = exponent(a); in FPU_add()
49 expb = exponent(b); in FPU_add()
163 expa = exponent(a); in FPU_sub()
164 expb = exponent(b); in FPU_sub()
Derrors.c197 exponent(r) - EXP_BIAS + 1); in FPU_printall()
378 isNaN = (exponent(a) == EXP_OVER) && (a->sigh & 0x80000000); in real_1op_NaN()
429 && !((exponent(a) == EXP_OVER) in real_2op_NaN()
432 && !((exponent(b) == EXP_OVER) && (b->sigh & 0x80000000))); in real_2op_NaN()
/arch/arm/vfp/
Dvfpdouble.c43 .exponent = 2047,
51 str, d->sign != 0, d->exponent, d->significand); in vfp_double_dump()
63 vd->exponent -= bits - 1; in vfp_double_normalise_denormal()
73 int exponent, shift, underflow; in vfp_double_normaliseround() local
81 if (vd->exponent == 2047 && (vd->significand == 0 || exceptions)) in vfp_double_normaliseround()
88 vd->exponent = 0; in vfp_double_normaliseround()
92 exponent = vd->exponent; in vfp_double_normaliseround()
99 exponent -= shift; in vfp_double_normaliseround()
104 vd->exponent = exponent; in vfp_double_normaliseround()
112 underflow = exponent < 0; in vfp_double_normaliseround()
[all …]
Dvfpsingle.c43 .exponent = 255,
51 str, s->sign != 0, s->exponent, s->significand); in vfp_single_dump()
61 vs->exponent -= bits - 1; in vfp_single_normalise_denormal()
76 int exponent, shift, underflow; in __vfp_single_normaliseround() local
83 if (vs->exponent == 255 && (vs->significand == 0 || exceptions)) in __vfp_single_normaliseround()
90 vs->exponent = 0; in __vfp_single_normaliseround()
94 exponent = vs->exponent; in __vfp_single_normaliseround()
104 exponent -= shift; in __vfp_single_normaliseround()
109 vs->exponent = exponent; in __vfp_single_normaliseround()
117 underflow = exponent < 0; in __vfp_single_normaliseround()
[all …]
Dvfp.h150 s16 exponent; member
193 s->exponent = vfp_single_packed_exponent(val); in vfp_single_unpack()
197 if (s->exponent && s->exponent != 255) in vfp_single_unpack()
210 (s->exponent << VFP_SINGLE_MANTISSA_BITS) + in vfp_single_pack()
228 if (s->exponent == 255) { in vfp_single_type()
235 } else if (s->exponent == 0) { in vfp_single_type()
255 s16 exponent; member
302 s->exponent = vfp_double_packed_exponent(val); in vfp_double_unpack()
306 if (s->exponent && s->exponent != 2047) in vfp_double_unpack()
319 ((u64)s->exponent << VFP_DOUBLE_MANTISSA_BITS) + in vfp_double_pack()
[all …]
/arch/m68k/math-emu/
Dfp_util.S132 lsr.l #8,%d1 | exponent / sign
139 add.w #0x3fff-0x7f,%d1 | re-bias the exponent.
149 | exponent is zero, so explizit bit is already zero too
170 lsr.l #8,%d1 | exponent / sign
177 add.w #0x3fff-0x3ff,%d1 | re-bias the exponent.
194 | exponent is zero, so explizit bit is already zero too
/arch/m68k/fpsp040/
Dsgetem.S4 | The entry point sGETEXP returns the exponent portion
5 | of the input argument. The exponent bias is removed
6 | and the exponent value is returned as an extended
49 movew LOCAL_EX(%a0),%d0 |get the exponent
59 movew LOCAL_EX(%a0),%d0 |load resulting exponent into d0
74 | with an exponent of +/- $3fff.
90 | then load the exponent with +/1 $3fff.
Ddecbin.S24 | A1. Convert the bcd exponent to binary by successive adds and muls.
39 | exponent equal to the exponent from A1 and the zero count
57 | the exponent factor. This is done by multiplying the
59 | exponent sign is positive, and dividing FP0 by FP1 if
123 | Calculate exponent:
125 | 2. Calculate absolute value of exponent in d1 by mul and add.
126 | 3. Correct for exponent sign.
134 | (*) d1: accumulator for binary exponent
141 | (*) L_SCR1: copy of original exponent word
482 btst #30,(%a0) |test the sign of the exponent
Dscale.S52 movew FPTEMP(%a6),%d1 |get dest exponent
93 | Source is positive. Add the src to the dest exponent.
142 | Source is negative. Add the src to the dest exponent.
143 | (The result exponent will be reduced). The result can be
162 | The result exponent is below denorm value. Test for catastrophic
164 | mantissa right until a zero exponent exists.
Dround.S198 addw #0x1,LOCAL_EX(%a0) |and incr exponent
239 addw #0x1,LOCAL_EX(%a0) |incr exponent
273 | exponent.
279 | bit of the mantissa (msb in d1) unless this would mean the exponent
281 | exponent (d0) is set to 0 and the mantissa (d1 & d2) is not
290 | Distance to 0 from exponent = Y
296 | set exponent = 0
299 | FP_SCR1 = exponent, ms mantissa part, ls mantissa part
364 subw %d7,LOCAL_EX(%a0) |sub exponent by count
386 movew LOCAL_EX(%a0),%d0 |d0 has exponent
[all …]
/arch/arm/include/asm/
Duser.h39 unsigned int exponent:14; member

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