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math: rename small to small_ to prevent C errors (workaround unescaped C labels) (#12796)

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Wertzui123 2021-12-11 18:35:40 +01:00 committed by GitHub
parent 24bc2ae406
commit 9e68a03f94
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2 changed files with 5 additions and 5 deletions
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4
vlib/math/erf.v
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@ -164,7 +164,7 @@ const (
pub fn erf(a f64) f64 { pub fn erf(a f64) f64 {
mut x := a mut x := a
very_tiny := 2.848094538889218e-306 // 0x0080000000000000 very_tiny := 2.848094538889218e-306 // 0x0080000000000000
small := 1.0 / f64(u64(1) << 28) // 2**-28 small_ := 1.0 / f64(u64(1) << 28) // 2**-28
if is_nan(x) { if is_nan(x) {
return nan() return nan()
} }
@ -181,7 +181,7 @@ pub fn erf(a f64) f64 {
} }
if x < 0.84375 { // |x| < 0.84375 if x < 0.84375 { // |x| < 0.84375
mut temp := 0.0 mut temp := 0.0
if x < small { // |x| < 2**-28 if x < small_ { // |x| < 2**-28
if x < very_tiny { if x < very_tiny {
temp = 0.125 * (8.0 * x + math.efx8 * x) // avoid underflow temp = 0.125 * (8.0 * x + math.efx8 * x) // avoid underflow
} else { } else {

6
vlib/math/gamma.v
View File

@ -93,7 +93,7 @@ pub fn gamma(a f64) f64 {
for x < 0 { for x < 0 {
if x > -1e-09 { if x > -1e-09 {
unsafe { unsafe {
goto small goto small_
} }
} }
z = z / x z = z / x
@ -102,7 +102,7 @@ pub fn gamma(a f64) f64 {
for x < 2 { for x < 2 {
if x < 1e-09 { if x < 1e-09 {
unsafe { unsafe {
goto small goto small_
} }
} }
z = z / x z = z / x
@ -119,7 +119,7 @@ pub fn gamma(a f64) f64 {
if true { if true {
return z * p / q return z * p / q
} }
small: small_:
if x == 0 { if x == 0 {
return inf(1) return inf(1)
} }