forked from mirrors/gecko-dev
253 lines
7.2 KiB
Diff
253 lines
7.2 KiB
Diff
diff --git a/modules/fdlibm/src/e_acos.cpp b/modules/fdlibm/src/e_acos.cpp
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--- a/modules/fdlibm/src/e_acos.cpp
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+++ b/modules/fdlibm/src/e_acos.cpp
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@@ -33,16 +33,17 @@
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*
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* Special cases:
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* if x is NaN, return x itself;
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* if |x|>1, return NaN with invalid signal.
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*
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* Function needed: sqrt
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*/
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+#include <cmath>
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#include <float.h>
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#include "math_private.h"
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static const double
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one= 1.00000000000000000000e+00, /* 0x3FF00000, 0x00000000 */
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pi = 3.14159265358979311600e+00, /* 0x400921FB, 0x54442D18 */
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pio2_hi = 1.57079632679489655800e+00; /* 0x3FF921FB, 0x54442D18 */
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@@ -82,23 +83,23 @@ __ieee754_acos(double x)
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p = z*(pS0+z*(pS1+z*(pS2+z*(pS3+z*(pS4+z*pS5)))));
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q = one+z*(qS1+z*(qS2+z*(qS3+z*qS4)));
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r = p/q;
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return pio2_hi - (x - (pio2_lo-x*r));
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} else if (hx<0) { /* x < -0.5 */
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z = (one+x)*0.5;
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p = z*(pS0+z*(pS1+z*(pS2+z*(pS3+z*(pS4+z*pS5)))));
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q = one+z*(qS1+z*(qS2+z*(qS3+z*qS4)));
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- s = sqrt(z);
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+ s = std::sqrt(z);
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r = p/q;
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w = r*s-pio2_lo;
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return pi - 2.0*(s+w);
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} else { /* x > 0.5 */
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z = (one-x)*0.5;
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- s = sqrt(z);
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+ s = std::sqrt(z);
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df = s;
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SET_LOW_WORD(df,0);
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c = (z-df*df)/(s+df);
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p = z*(pS0+z*(pS1+z*(pS2+z*(pS3+z*(pS4+z*pS5)))));
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q = one+z*(qS1+z*(qS2+z*(qS3+z*qS4)));
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r = p/q;
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w = r*s+c;
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return 2.0*(df+w);
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diff --git a/modules/fdlibm/src/e_acosh.cpp b/modules/fdlibm/src/e_acosh.cpp
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--- a/modules/fdlibm/src/e_acosh.cpp
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+++ b/modules/fdlibm/src/e_acosh.cpp
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@@ -24,16 +24,17 @@
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* acosh(x) := log(2x-1/(sqrt(x*x-1)+x)) if x>2; else
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* acosh(x) := log1p(t+sqrt(2.0*t+t*t)); where t=x-1.
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*
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* Special cases:
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* acosh(x) is NaN with signal if x<1.
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* acosh(NaN) is NaN without signal.
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*/
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+#include <cmath>
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#include <float.h>
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#include "math_private.h"
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static const double
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one = 1.0,
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ln2 = 6.93147180559945286227e-01; /* 0x3FE62E42, 0xFEFA39EF */
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@@ -50,14 +51,14 @@ __ieee754_acosh(double x)
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if(hx >=0x7ff00000) { /* x is inf of NaN */
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return x+x;
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} else
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return __ieee754_log(x)+ln2; /* acosh(huge)=log(2x) */
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} else if(((hx-0x3ff00000)|lx)==0) {
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return 0.0; /* acosh(1) = 0 */
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} else if (hx > 0x40000000) { /* 2**28 > x > 2 */
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t=x*x;
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- return __ieee754_log(2.0*x-one/(x+sqrt(t-one)));
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+ return __ieee754_log(2.0*x-one/(x+std::sqrt(t-one)));
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} else { /* 1<x<2 */
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t = x-one;
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- return log1p(t+sqrt(2.0*t+t*t));
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+ return log1p(t+std::sqrt(2.0*t+t*t));
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}
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}
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diff --git a/modules/fdlibm/src/e_asin.cpp b/modules/fdlibm/src/e_asin.cpp
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--- a/modules/fdlibm/src/e_asin.cpp
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+++ b/modules/fdlibm/src/e_asin.cpp
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@@ -39,16 +39,17 @@
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* = pio4_hi+(pio4-2f)-(2s*z*R(z)-(pio2_lo+2c))
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*
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* Special cases:
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* if x is NaN, return x itself;
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* if |x|>1, return NaN with invalid signal.
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*
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*/
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+#include <cmath>
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#include <float.h>
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#include "math_private.h"
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static const double
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one = 1.00000000000000000000e+00, /* 0x3FF00000, 0x00000000 */
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huge = 1.000e+300,
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pio2_hi = 1.57079632679489655800e+00, /* 0x3FF921FB, 0x54442D18 */
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@@ -90,17 +91,17 @@ __ieee754_asin(double x)
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w = p/q;
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return x+x*w;
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}
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/* 1> |x|>= 0.5 */
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w = one-fabs(x);
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t = w*0.5;
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p = t*(pS0+t*(pS1+t*(pS2+t*(pS3+t*(pS4+t*pS5)))));
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q = one+t*(qS1+t*(qS2+t*(qS3+t*qS4)));
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- s = sqrt(t);
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+ s = std::sqrt(t);
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if(ix>=0x3FEF3333) { /* if |x| > 0.975 */
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w = p/q;
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t = pio2_hi-(2.0*(s+s*w)-pio2_lo);
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} else {
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w = s;
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SET_LOW_WORD(w,0);
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c = (t-w*w)/(s+w);
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r = p/q;
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diff --git a/modules/fdlibm/src/e_hypot.cpp b/modules/fdlibm/src/e_hypot.cpp
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--- a/modules/fdlibm/src/e_hypot.cpp
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+++ b/modules/fdlibm/src/e_hypot.cpp
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@@ -41,16 +41,17 @@
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* hypot(x,y) is INF if x or y is +INF or -INF; else
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* hypot(x,y) is NAN if x or y is NAN.
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*
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* Accuracy:
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* hypot(x,y) returns sqrt(x^2+y^2) with error less
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* than 1 ulps (units in the last place)
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*/
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+#include <cmath>
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#include <float.h>
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#include "math_private.h"
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double
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__ieee754_hypot(double x, double y)
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{
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double a,b,t1,t2,y1,y2,w;
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@@ -100,25 +101,25 @@ __ieee754_hypot(double x, double y)
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}
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}
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/* medium size a and b */
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w = a-b;
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if (w>b) {
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t1 = 0;
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SET_HIGH_WORD(t1,ha);
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t2 = a-t1;
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- w = sqrt(t1*t1-(b*(-b)-t2*(a+t1)));
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+ w = std::sqrt(t1*t1-(b*(-b)-t2*(a+t1)));
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} else {
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a = a+a;
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y1 = 0;
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SET_HIGH_WORD(y1,hb);
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y2 = b - y1;
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t1 = 0;
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SET_HIGH_WORD(t1,ha+0x00100000);
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t2 = a - t1;
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- w = sqrt(t1*y1-(w*(-w)-(t1*y2+t2*b)));
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+ w = std::sqrt(t1*y1-(w*(-w)-(t1*y2+t2*b)));
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}
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if(k!=0) {
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t1 = 0.0;
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SET_HIGH_WORD(t1,(1023+k)<<20);
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return t1*w;
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} else return w;
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}
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diff --git a/modules/fdlibm/src/e_pow.cpp b/modules/fdlibm/src/e_pow.cpp
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--- a/modules/fdlibm/src/e_pow.cpp
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+++ b/modules/fdlibm/src/e_pow.cpp
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@@ -52,16 +52,17 @@
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*
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* Constants :
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* The hexadecimal values are the intended ones for the following
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* constants. The decimal values may be used, provided that the
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* compiler will convert from decimal to binary accurately enough
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* to produce the hexadecimal values shown.
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*/
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+#include <cmath>
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#include <float.h>
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#include "math_private.h"
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static const double
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bp[] = {1.0, 1.5,},
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dp_h[] = { 0.0, 5.84962487220764160156e-01,}, /* 0x3FE2B803, 0x40000000 */
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dp_l[] = { 0.0, 1.35003920212974897128e-08,}, /* 0x3E4CFDEB, 0x43CFD006 */
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zero = 0.0,
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@@ -151,17 +152,17 @@ __ieee754_pow(double x, double y)
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return (hy<0)?-y: zero;
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}
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if(iy==0x3ff00000) { /* y is +-1 */
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if(hy<0) return one/x; else return x;
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}
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if(hy==0x40000000) return x*x; /* y is 2 */
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if(hy==0x3fe00000) { /* y is 0.5 */
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if(hx>=0) /* x >= +0 */
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- return sqrt(x);
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+ return std::sqrt(x);
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}
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}
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ax = fabs(x);
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/* special value of x */
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if(lx==0) {
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if(ix==0x7ff00000||ix==0||ix==0x3ff00000){
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z = ax; /*x is +-0,+-inf,+-1*/
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diff --git a/modules/fdlibm/src/s_asinh.cpp b/modules/fdlibm/src/s_asinh.cpp
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--- a/modules/fdlibm/src/s_asinh.cpp
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+++ b/modules/fdlibm/src/s_asinh.cpp
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@@ -19,16 +19,17 @@
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* asinh(x) = sign(x) * log [ |x| + sqrt(x*x+1) ]
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* we have
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* asinh(x) := x if 1+x*x=1,
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* := sign(x)*(log(x)+ln2)) for large |x|, else
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* := sign(x)*log(2|x|+1/(|x|+sqrt(x*x+1))) if|x|>2, else
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* := sign(x)*log1p(|x| + x^2/(1 + sqrt(1+x^2)))
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*/
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+#include <cmath>
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#include <float.h>
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#include "math_private.h"
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static const double
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one = 1.00000000000000000000e+00, /* 0x3FF00000, 0x00000000 */
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ln2 = 6.93147180559945286227e-01, /* 0x3FE62E42, 0xFEFA39EF */
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huge= 1.00000000000000000000e+300;
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@@ -43,15 +44,15 @@ asinh(double x)
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if(ix>=0x7ff00000) return x+x; /* x is inf or NaN */
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if(ix< 0x3e300000) { /* |x|<2**-28 */
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if(huge+x>one) return x; /* return x inexact except 0 */
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}
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if(ix>0x41b00000) { /* |x| > 2**28 */
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w = __ieee754_log(fabs(x))+ln2;
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} else if (ix>0x40000000) { /* 2**28 > |x| > 2.0 */
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t = fabs(x);
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- w = __ieee754_log(2.0*t+one/(__ieee754_sqrt(x*x+one)+t));
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+ w = __ieee754_log(2.0*t+one/(std::sqrt(x*x+one)+t));
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} else { /* 2.0 > |x| > 2**-28 */
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t = x*x;
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- w =log1p(fabs(x)+t/(one+__ieee754_sqrt(one+t)));
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+ w =log1p(fabs(x)+t/(one+std::sqrt(one+t)));
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}
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if(hx>0) return w; else return -w;
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}
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