fix: use in-house constant for significand mask

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---

Author: anandkaranubc

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

@@ -46,6 +46,7 @@ var FLOAT32_ABS_MASK = require( '@stdlib/constants/float32/abs-mask' );
 var FLOAT32_EXPONENT_MASK = require( '@stdlib/constants/float32/exponent-mask' );
 var FLOAT32_EXPONENT_BIAS = require( '@stdlib/constants/float32/exponent-bias' );
 var FLOAT32_NUM_SIGNIFICAND_BITS = require( '@stdlib/constants/float32/num-significand-bits' );
+var FLOAT32_SIGNIFICAND_MASK = require( '@stdlib/constants/float32/significand-mask' );
 var PI = require( '@stdlib/constants/float64/pi' );
 
 
@@ -76,9 +77,6 @@ var PI_LOW = f32( -8.90890988e-6 ); // 0xb715777a
 // Mask for extracting the high 16 bits of a 32-bit integer:
 var HIGH_16_MASK = 0xffff0000 >>> 0; // asm type annotation
 
-// Mask for extracting the mantissa bits of a 32-bit float:
-var FLOAT32_MANTISSA_MASK = 0x007fffff >>> 0; // asm type annotation
-
 // Mask for extracting the exponent bits of a 32-bit float:
 var FLOAT32_EXPONENT_FIELD_MASK = 0xff >>> 0; // asm type annotation
 
@@ -128,7 +126,7 @@ function sinpif( x ) {
 	var s;
 
 	x = f32( x );
-	hx = toWordf( f32( x ) ) >>> 0; // asm type annotation
+	hx = toWordf( f32( x ) );
 	ix = (hx & FLOAT32_ABS_MASK) >>> 0; // asm type annotation
 	ax = fromWordf( ix ); // asm type annotation
 
@@ -166,7 +164,7 @@ function sinpif( x ) {
 	if ( ix < LARGE_WORD ) {
 		// Fast floor by bitwise manipulation:
 		j0 = ( ( ix >> FLOAT32_NUM_SIGNIFICAND_BITS ) & FLOAT32_EXPONENT_FIELD_MASK ) - FLOAT32_EXPONENT_BIAS; // eslint-disable-line max-len
-		ix &= ~( FLOAT32_MANTISSA_MASK >> j0 );
+		ix &= ~( FLOAT32_SIGNIFICAND_MASK >> j0 );
 		x = fromWordf( ix );
 
 		ax = f32( ax - x );

lib/node_modules/@stdlib/math/base/special/sinpif/manifest.json

@@ -48,6 +48,7 @@
         "@stdlib/constants/float32/abs-mask",
         "@stdlib/constants/float32/sign-mask",
         "@stdlib/constants/float32/exponent-mask",
+        "@stdlib/constants/float32/significand-mask",
         "@stdlib/constants/float32/num-significand-bits",
         "@stdlib/constants/float32/exponent-bias"
       ]
@@ -74,6 +75,7 @@
         "@stdlib/constants/float32/abs-mask",
         "@stdlib/constants/float32/sign-mask",
         "@stdlib/constants/float32/exponent-mask",
+        "@stdlib/constants/float32/significand-mask",
         "@stdlib/constants/float32/num-significand-bits",
         "@stdlib/constants/float32/exponent-bias"
       ]
@@ -100,6 +102,7 @@
         "@stdlib/constants/float32/abs-mask",
         "@stdlib/constants/float32/sign-mask",
         "@stdlib/constants/float32/exponent-mask",
+        "@stdlib/constants/float32/significand-mask",
         "@stdlib/constants/float32/num-significand-bits",
         "@stdlib/constants/float32/exponent-bias"
       ]

lib/node_modules/@stdlib/math/base/special/sinpif/src/main.c

@@ -40,6 +40,7 @@
 #include "stdlib/constants/float32/abs_mask.h"
 #include "stdlib/constants/float32/sign_mask.h"
 #include "stdlib/constants/float32/exponent_mask.h"
+#include "stdlib/constants/float32/significand_mask.h"
 #include "stdlib/constants/float32/exponent_bias.h"
 #include "stdlib/constants/float32/num_significand_bits.h"
 #include <stdint.h>
@@ -69,9 +70,6 @@ static const float PI_LOW = -8.90890988e-6f; // 0xb715777a
 // Mask for extracting the high 16 bits of a 32-bit integer:
 static const uint32_t HIGH_16_MASK = 0xffff0000;
 
-// Mask for extracting the mantissa bits of a 32-bit float:
-static const uint32_t FLOAT32_MANTISSA_MASK = 0x007fffff;
-
 // Mask for extracting the exponent bits of a 32-bit float:
 static const uint32_t FLOAT32_EXPONENT_FIELD_MASK = 0xff;
 
@@ -134,7 +132,7 @@ float stdlib_base_sinpif( const float x ) {
 	if ( ix < LARGE_WORD ) {
 		// Fast floor by bitwise manipulation:
 		j0 = ( ( ix >> STDLIB_CONSTANT_FLOAT32_NUM_SIGNIFICAND_BITS ) & FLOAT32_EXPONENT_FIELD_MASK ) - STDLIB_CONSTANT_FLOAT32_EXPONENT_BIAS;
-		ix &= ~( FLOAT32_MANTISSA_MASK >> j0 );
+		ix &= ~( STDLIB_CONSTANT_FLOAT32_SIGNIFICAND_MASK >> j0 );
 		stdlib_base_float32_from_word( ix, &fx );
 
 		ax -= fx;