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kgrytekgryte
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Merge branch 'develop' of https://github.com/stdlib-js/stdlib into develop
2 parents a0cba4f + 7cd0373 commit e6eef32

3 files changed

Lines changed: 25 additions & 19 deletions

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‎lib/node_modules/@stdlib/math/base/special/round/benchmark/c/benchmark.c‎

Lines changed: 8 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -74,13 +74,15 @@ static double tic( void ) {
7474
}
7575

7676
/**
77-
* Generates a random number on the interval [0,1).
77+
* Generates a random number on the interval [min,max).
7878
*
79-
* @return random number
79+
* @param min minimum value (inclusive)
80+
* @param max maximum value (exclusive)
81+
* @return random number
8082
*/
81-
static double rand_double( void ) {
82-
int r = rand();
83-
return (double)r / ( (double)RAND_MAX + 1.0 );
83+
static double random_uniform( const double min, const double max ) {
84+
double v = (double)rand() / ( (double)RAND_MAX + 1.0 );
85+
return min + ( v*(max-min) );
8486
}
8587

8688
/**
@@ -96,7 +98,7 @@ static double benchmark( void ) {
9698
int i;
9799

98100
for ( i = 0; i < 100; i++ ) {
99-
x[ i ] = ( 1000.0 * rand_double() ) - 500.0;
101+
x[ i ] = random_uniform( -500.0, 500.0 );;
100102
}
101103

102104
t = tic();

‎lib/node_modules/@stdlib/math/base/special/round/benchmark/c/cephes/benchmark.c‎

Lines changed: 8 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -79,13 +79,15 @@ static double tic( void ) {
7979
}
8080

8181
/**
82-
* Generates a random number on the interval [0,1).
82+
* Generates a random number on the interval [min,max).
8383
*
84-
* @return random number
84+
* @param min minimum value (inclusive)
85+
* @param max maximum value (exclusive)
86+
* @return random number
8587
*/
86-
static double rand_double( void ) {
87-
int r = rand();
88-
return (double)r / ( (double)RAND_MAX + 1.0 );
88+
static double random_uniform( const double min, const double max ) {
89+
double v = (double)rand() / ( (double)RAND_MAX + 1.0 );
90+
return min + ( v*(max-min) );
8991
}
9092

9193
/**
@@ -101,7 +103,7 @@ static double benchmark( void ) {
101103
int i;
102104

103105
for ( i = 0; i < 100; i++ ) {
104-
x[ i ] = ( 1000.0 * rand_double() ) - 500.0;
106+
x[ i ] = random_uniform( -500.0, 500.0 );
105107
}
106108

107109
t = tic();

‎lib/node_modules/@stdlib/math/base/special/round/benchmark/c/native/benchmark.c‎

Lines changed: 9 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -75,13 +75,15 @@ static double tic( void ) {
7575
}
7676

7777
/**
78-
* Generates a random number on the interval [0,1).
78+
* Generates a random number on the interval [min,max).
7979
*
80-
* @return random number
80+
* @param min minimum value (inclusive)
81+
* @param max maximum value (exclusive)
82+
* @return random number
8183
*/
82-
static double rand_double( void ) {
83-
int r = rand();
84-
return (double)r / ( (double)RAND_MAX + 1.0 );
84+
static double random_uniform( const double min, const double max ) {
85+
double v = (double)rand() / ( (double)RAND_MAX + 1.0 );
86+
return min + ( v*(max-min) );
8587
}
8688

8789
/**
@@ -97,12 +99,12 @@ static double benchmark( void ) {
9799
int i;
98100

99101
for ( i = 0; i < 100; i++ ) {
100-
x[ i ] = ( 1000.0 * rand_double() ) - 500.0;
102+
x[ i ] = random_uniform( -500.0, 500.0 );
101103
}
102104

103105
t = tic();
104106
for ( i = 0; i < ITERATIONS; i++ ) {
105-
y = round( x[ i % 100 ] );
107+
y = stdlib_base_round( x[ i % 100 ] );
106108
if ( y != y ) {
107109
printf( "should not return NaN\n" );
108110
break;

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