Skip to content

Navigation Menu

Sign in
Appearance settings

Search code, repositories, users, issues, pull requests...

Provide feedback

We read every piece of feedback, and take your input very seriously.

Saved searches

Use saved searches to filter your results more quickly
Sign up
Appearance settings

Commit 54fe31f

Browse files
chore: update modules & var
1 parent 13ee9a8 commit 54fe31f

File tree

3 files changed

+19
-25
lines changed

3 files changed

+19
-25
lines changed

‎lib/node_modules/@stdlib/math/base/special/powf/lib/log2ax.js‎

Lines changed: 5 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -37,16 +37,14 @@
3737
var fromWordf = require( '@stdlib/number/float32/base/from-word' );
3838
var toWordf = require( '@stdlib/number/float32/base/to-word' );
3939
var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' );
40-
var BIAS = require( '@stdlib/constants/float32/exponent-bias' );
40+
var FLOAT32_EXPONENT_BIAS = require( '@stdlib/constants/float32/exponent-bias' );
41+
var FLOAT32_SIGNIFICAND_MASK = require( '@stdlib/constants/float32/significand-mask' );
4142
var polyvalL = require( './polyval_l.js' );
4243

4344

4445
// VARIABLES //
4546

46-
// 0x007fffff = 8388607 => 0 00000000000 11111111111111111111
47-
var HIGH_EXP_2 = 0x007fffff; // asm type annotation
48-
49-
// 0x00080000 = 524288 => 0 00000000000 10000000000000000000
47+
// 0x0080000 = 524288 => 0 00000000000 10000000000000000000
5048
var HIGH_MIN_NORMAL_EXP = 0x00800000; // asm type annotation
5149

5250
// 0x3f800000 =わ 1065353216 => 0 01111111000 00000000000000000000
@@ -136,10 +134,10 @@ function log2ax( out, ax, ahx ) {
136134
ahx = fromWordf( ax );
137135
}
138136
// Extract the unbiased exponent of `x`:
139-
n += ((ahx >> HIGH_NUM_SIGNIFICAND_BITS) - BIAS); // asm type annotation
137+
n += ((ahx >> HIGH_NUM_SIGNIFICAND_BITS) - FLOAT32_EXPONENT_BIAS); // asm type annotation
140138

141139
// Isolate the significand bits of `x`:
142-
j = (ahx & HIGH_EXP_2); // asm type annotation
140+
j = (ahx & FLOAT32_SIGNIFICAND_MASK); // asm type annotation
143141

144142
// Normalize `ahx` by setting the (biased) exponent to `127`:
145143
ahx = (j | HIGH_BIASED_EXP_0); // asm type annotation

‎lib/node_modules/@stdlib/math/base/special/powf/lib/main.js‎

Lines changed: 4 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -34,7 +34,6 @@
3434

3535
// MODULES //
3636

37-
var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
3837
var isOddf = require( '@stdlib/math/base/assert/is-oddf' );
3938
var isInfinitef = require( '@stdlib/math/base/assert/is-infinitef' );
4039
var isIntegerf = require( '@stdlib/math/base/assert/is-integerf' );
@@ -45,7 +44,7 @@ var toWordf = require( '@stdlib/number/float32/base/to-word' );
4544
var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' );
4645
var NINF = require( '@stdlib/constants/float32/ninf' );
4746
var PINF = require( '@stdlib/constants/float32/pinf' );
48-
var ABS_MASK = require( '@stdlib/constants/float64/high-word-abs-mask' );
47+
var FLOAT32_ABS_MASK = require( '@stdlib/constants/float32/abs-mask' );
4948
var xIsZero = require( './x_is_zero.js' );
5049
var yIsInfinite = require( './y_is_infinite.js' );
5150
var log2ax = require( './log2ax.js' );
@@ -203,7 +202,6 @@ function powf( x, y ) {
203202
var hp;
204203
var lp;
205204
var z; // y prime
206-
var s;
207205
var j;
208206

209207
hx = fromWordf( x );
@@ -274,8 +272,8 @@ function powf( x, y ) {
274272
ax = absf( x );
275273

276274
// Remove the sign bits (i.e., get absolute values):
277-
ahx = (hx & ABS_MASK); // asm type annotation
278-
ahy = (hy & ABS_MASK); // asm type annotation
275+
ahx = (hx & FLOAT32_ABS_MASK); // asm type annotation
276+
ahy = (hy & FLOAT32_ABS_MASK); // asm type annotation
279277

280278
// Determine the sign of the result...
281279
if ( sn && isOddf( y ) ) {
@@ -336,7 +334,7 @@ function powf( x, y ) {
336334
}
337335
}
338336
// z <= -150
339-
else if ( (j&ABS_MASK) >= SMALL_60 ) {
337+
else if ( (j&FLOAT32_ABS_MASK) >= SMALL_60 ) {
340338
// Signal underflow...
341339
return sn * TINY * TINY;
342340
}

‎lib/node_modules/@stdlib/math/base/special/powf/lib/pow2.js‎

Lines changed: 10 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -40,20 +40,18 @@ var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' );
4040
var uint32ToInt32 = require( '@stdlib/number/uint32/base/to-int32' );
4141
var ldexpf = require( '@stdlib/math/base/special/ldexpf' );
4242
var LN2 = require( '@stdlib/constants/float32/ln-two' );
43-
var BIAS = require( '@stdlib/constants/float32/exponent-bias' );
44-
var ABS_MASK = require( '@stdlib/constants/float64/high-word-abs-mask' );
43+
var FLOAT32_EXPONENT_BIAS = require( '@stdlib/constants/float32/exponent-bias' );
44+
var FLOAT32_ABS_MASK = require( '@stdlib/constants/float32/abs-mask' );
45+
var FLOAT32_SIGNIFICAND_MASK = require( '@stdlib/constants/float32/significand-mask' );
4546
var polyvalP = require( './polyval_p.js' );
4647

4748

4849
// VARIABLES //
4950

50-
// 0x00100000 = 1048576 => 0 00000000001 00000000000000000000 => biased exponent: 1 = -1022+1023 => 2^-1022
51+
// 0x00800000 = 8388608 => 0 00000001 00000000000000000000000 => biased exponent: 1 = -126+127 => 2^-126 (smallest normal float32)
5152
var HIGH_MIN_NORMAL_EXP = 0x00800000; // asm type annotation
5253

53-
// 0x007fffff = 8388607 => 0 00000000000 11111111111111111111111 => biased exponent: 0 = -127+127 => 2^-127
54-
var HIGH_SIGNIFICAND_MASK = 0x007fffff;// asm type annotation
55-
56-
// 0x3fe00000 = 1071644672 => 0 01111111110 00000000000000000000 => biased exponent: 1022 = -1+1023 => 2^-1
54+
// 0x3f000000 = 1056964608 => 0 01111110 00000000000000000000000 => biased exponent: 126 = -1+127 => 2^-1 (i.e., 0.5)
5755
var HIGH_BIASED_EXP_NEG_1 = 0x3f000000; // asm type annotation
5856

5957
// 0xffff8000 =わ 4294934528 => 1 11111111111 11111000000000000000
@@ -97,18 +95,18 @@ function pow2( j, hp, lp ) {
9795
var i;
9896
var k;
9997

100-
i = (j & ABS_MASK); // asm type annotation
101-
k = ((i>>HIGH_NUM_SIGNIFICAND_BITS) - BIAS); // asm type annotation
98+
i = (j & FLOAT32_ABS_MASK); // asm type annotation
99+
k = ((i>>HIGH_NUM_SIGNIFICAND_BITS) - FLOAT32_EXPONENT_BIAS); // asm type annotation
102100
n = 0;
103101

104102
// `|z| > 0.5`, set `n = [z+0.5]`
105103
if ( i > HIGH_BIASED_EXP_NEG_1 ) {
106104
n = (j + (HIGH_MIN_NORMAL_EXP>>(k+1)))>>>0; // asm type annotation
107-
k = (((n & ABS_MASK)>>HIGH_NUM_SIGNIFICAND_BITS) - BIAS); // new k for n
108-
tmp = ((n & ~(HIGH_SIGNIFICAND_MASK >> k)))>>>0; // asm type annotation
105+
k = (((n & FLOAT32_ABS_MASK)>>HIGH_NUM_SIGNIFICAND_BITS) - FLOAT32_EXPONENT_BIAS); // new k for n
106+
tmp = ((n & ~(FLOAT32_SIGNIFICAND_MASK >> k)))>>>0; // asm type annotation
109107
tmp = float64ToFloat32( tmp );
110108
t = toWordf( tmp );
111-
n = (((n & HIGH_SIGNIFICAND_MASK)|HIGH_MIN_NORMAL_EXP) >> (HIGH_NUM_SIGNIFICAND_BITS-k))>>>0; // eslint-disable-line max-len
109+
n = (((n & FLOAT32_SIGNIFICAND_MASK)|HIGH_MIN_NORMAL_EXP) >> (HIGH_NUM_SIGNIFICAND_BITS-k))>>>0; // eslint-disable-line max-len
112110
if ( j < 0 ) {
113111
n = -n;
114112
}

0 commit comments

Comments
(0)

AltStyle によって変換されたページ (->オリジナル) /