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Searched refs:exponent (Results 1 – 25 of 56) sorted by relevance

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/linux/arch/parisc/math-emu/
H A 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) ? \
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H A 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); \
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H A 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()
H A 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; \
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/linux/arch/arm/vfp/
H A 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()
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H A 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()
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H A 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()
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/linux/tools/testing/selftests/kvm/
H A Dkvm_binary_stats_test.c106 TEST_ASSERT(pdesc->exponent >= 0, in stats_test()
108 pdesc->name, pdesc->exponent); in stats_test()
111 TEST_ASSERT(pdesc->exponent <= 0, in stats_test()
113 pdesc->name, pdesc->exponent); in stats_test()
116 TEST_ASSERT(pdesc->exponent == 0, in stats_test()
118 pdesc->name, pdesc->exponent); in stats_test()
/linux/drivers/iio/light/
H A Dopt3001.c227 int val2, u8 *exponent) in opt3001_find_scale() argument
237 *exponent = i; in opt3001_find_scale()
245 static void opt3001_to_iio_ret(struct opt3001 *opt, u8 exponent, in opt3001_to_iio_ret() argument
253 ret = whole * (mantissa << exponent); in opt3001_to_iio_ret()
318 u8 exponent; in opt3001_get_processed() local
430 exponent = OPT3001_REG_EXPONENT(opt->result); in opt3001_get_processed()
433 opt3001_to_iio_ret(opt, exponent, mantissa, val, val2); in opt3001_get_processed()
578 u8 exponent; in opt3001_write_event_value() local
585 ret = opt3001_find_scale(opt, val, val2, &exponent); in opt3001_write_event_value()
595 mantissa = (((val * integer) + (val2 / decimal)) / whole) >> exponent; in opt3001_write_event_value()
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/linux/arch/m68k/fpsp040/
H A 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.
H A 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
H A 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
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H A 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.
H A Dbindec.S100 | A15. Convert the exponent to bcd.
103 | Test the length of the final exponent string. If the
176 movel (%a0),L_SCR2(%a6) |save exponent for sign check
224 | d0: k-factor/exponent
238 | F_SCR2:Abs(X)/Abs(X) with $3fff exponent
248 movew #0x3fff,FP_SCR2(%a6) |replace exponent with 0x3fff
287 | d0: exponent/Unchanged
301 | F_SCR2:Abs(X) with $3fff exponent/Unchanged
359 | d0: exponent/scratch - final is 0
373 | F_SCR2:Abs(X) with $3fff exponent/Unchanged
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H A Dfpsp.h131 .set WBTEMP_EX,WBTEMP | wbtemp sign and exponent (2 bytes)
164 .set etemp15_bit,4 | etemp exponent bit #15
184 .set fptemp15_bit,4 | fptemp exponent bit #15
187 .set wbtemp15_bit,4 | wbtemp exponent bit #15
200 .set FPTEMP_EX,FPTEMP | fptemp sign and exponent (2 bytes)
207 .set ETEMP_EX,ETEMP | etemp sign and exponent (2 bytes)
H A Dx_store.S132 movew LOCAL_EX(%a1),%d0 |get exponent
145 movel #0x7ff00000,%d0 |load dbl inf exponent
244 tstb LOCAL_SGN(%a1) |put back sign into exponent word
/linux/arch/m68k/math-emu/
H A 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
/linux/lib/math/tests/
H A Dint_pow_kunit.c8 unsigned int exponent; member
36 KUNIT_EXPECT_EQ(test, tc->expected_result, int_pow(tc->base, tc->exponent)); in int_pow_test()
/linux/drivers/hwmon/pmbus/
H A Dpmbus_core.c102 int exponent[PMBUS_PAGES]; member
828 int exponent; in pmbus_reg2data_ieee754() local
834 exponent = (sensor->data >> 10) & 0x1f; in pmbus_reg2data_ieee754()
837 if (exponent == 0) { /* subnormal */ in pmbus_reg2data_ieee754()
838 exponent = -(14 + 10); in pmbus_reg2data_ieee754()
839 } else if (exponent == 0x1f) { /* NaN, convert to min/max */ in pmbus_reg2data_ieee754()
840 exponent = 0; in pmbus_reg2data_ieee754()
843 exponent -= (15 + 10); /* normal */ in pmbus_reg2data_ieee754()
855 if (exponent >= 0) in pmbus_reg2data_ieee754()
856 val <<= exponent; in pmbus_reg2data_ieee754()
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H A Dmp2975.c178 s16 exponent = 0, mantissa; in mp2975_data2reg_linear11() local
185 while (val >= MAX_LIN_MANTISSA && exponent < 15) { in mp2975_data2reg_linear11()
186 exponent++; in mp2975_data2reg_linear11()
190 while (val < MIN_LIN_MANTISSA && exponent > -15) { in mp2975_data2reg_linear11()
191 exponent--; in mp2975_data2reg_linear11()
199 return (mantissa & 0x7ff) | ((exponent << 11) & 0xf800); in mp2975_data2reg_linear11()
/linux/drivers/md/bcache/
H A Dbset.c245 unsigned int exponent:BKEY_EXPONENT_BITS; member
587 const uint64_t *p = &k->low - (f->exponent >> 6); in bfloat_mantissa()
589 return shrd128(p[-1], p[0], f->exponent & 63) & BKEY_MANTISSA_MASK; in bfloat_mantissa()
620 f->exponent = fls64(KEY_INODE(r) ^ KEY_INODE(l)) + 64; in make_bfloat()
622 f->exponent = fls64(r->low ^ l->low); in make_bfloat()
624 f->exponent = max_t(int, f->exponent - BKEY_MANTISSA_BITS, 0); in make_bfloat()
634 f->exponent = 127; in make_bfloat()
975 if (likely(f->exponent != 127)) { in bset_search_tree()
1383 if (t->tree[j].exponent == 127) in bch_btree_keys_stats()
/linux/arch/arm/include/asm/
H A Duser.h39 unsigned int exponent:14; member
/linux/drivers/s390/crypto/
H A Dzcrypt_cca_key.h111 char exponent[]; in zcrypt_type6_mex_key_en() member
130 ptr = key->exponent; in zcrypt_type6_mex_key_en()
/linux/arch/m68k/ifpsp060/src/
H A Dfpsp.S1440 mov.w LOCAL_EX(%a0),%d0 # fetch src exponent
1487 addi.w &0x3c01,%d0 # adjust new exponent
1488 andi.w &0x8000,LOCAL_EX(%a0) # clear old exponent
1489 or.w %d0,LOCAL_EX(%a0) # insert new exponent
2311 mov.w FP_SRC_EX(%a6),%d0 # fetch DENORM exponent
2316 neg.w %d0 # make exponent negative
2322 andi.w &0x8000,FP_SRC_EX(%a6) # clear old exponent
2323 ori.w &0x3f80,FP_SRC_EX(%a6) # insert new "skewed" exponent
2328 mov.w FP_SRC_EX(%a6),%d0 # fetch DENORM exponent
2336 mov.w %d0,FP_SRC_EX(%a6) # insert exponent with cleared sign
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/linux/arch/x86/include/uapi/asm/
H A Dsigcontext.h87 __u16 exponent; member
93 __u16 exponent; member

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