don't inline __rem_pio2l so the code size is smaller

diff --git a/src/internal/libm.h b/src/internal/libm.h
index 2092763..67c42b9 100644 (file)
--- a/src/internal/libm.h
+++ b/src/internal/libm.h
@@ -135,6 +135,7 @@ float  __tandf(double,int);
 float  __expo2f(float);
 float complex __ldexp_cexpf(float complex,int);
 
+int __rem_pio2l(long double, long double *);
 long double __sinl(long double, long double, int);
 long double __cosl(long double, long double);
 long double __tanl(long double, long double, int);

diff --git a/src/math/__rem_pio2l.c b/src/math/__rem_pio2l.c
new file mode 100644 (file)
index 0000000..10af404
--- /dev/null
+++ b/src/math/__rem_pio2l.c
@@ -0,0 +1,131 @@
+/* origin: FreeBSD /usr/src/lib/msun/ld80/e_rem_pio2.c */
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ * Copyright (c) 2008 Steven G. Kargl, David Schultz, Bruce D. Evans.
+ *
+ * Developed at SunSoft, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ *
+ * Optimized by Bruce D. Evans.
+ */
+#include "libm.h"
+#if LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384
+/* ld80 version of __rem_pio2(x,y)
+ *
+ * return the remainder of x rem pi/2 in y[0]+y[1]
+ * use __rem_pio2_large() for large x
+ */
+
+#define BIAS    (LDBL_MAX_EXP - 1)
+
+/*
+ * invpio2:  64 bits of 2/pi
+ * pio2_1:   first  39 bits of pi/2
+ * pio2_1t:  pi/2 - pio2_1
+ * pio2_2:   second 39 bits of pi/2
+ * pio2_2t:  pi/2 - (pio2_1+pio2_2)
+ * pio2_3:   third  39 bits of pi/2
+ * pio2_3t:  pi/2 - (pio2_1+pio2_2+pio2_3)
+ */
+static const double
+zero   =  0.00000000000000000000e+00, /* 0x00000000, 0x00000000 */
+two24  =  1.67772160000000000000e+07, /* 0x41700000, 0x00000000 */
+pio2_1 =  1.57079632679597125389e+00, /* 0x3FF921FB, 0x54444000 */
+pio2_2 = -1.07463465549783099519e-12, /* -0x12e7b967674000.0p-92 */
+pio2_3 =  6.36831716351370313614e-25; /*  0x18a2e037074000.0p-133 */
+
+static const long double
+invpio2 =  6.36619772367581343076e-01L, /*  0xa2f9836e4e44152a.0p-64 */
+pio2_1t = -1.07463465549719416346e-12L, /* -0x973dcb3b399d747f.0p-103 */
+pio2_2t =  6.36831716351095013979e-25L, /*  0xc51701b839a25205.0p-144 */
+pio2_3t = -2.75299651904407171810e-37L; /* -0xbb5bf6c7ddd660ce.0p-185 */
+
+int __rem_pio2l(long double x, long double *y)
+{
+       union IEEEl2bits u,u1;
+       long double z,w,t,r,fn;
+       double tx[3],ty[2];
+       int e0,ex,i,j,nx,n;
+       int16_t expsign;
+
+       u.e = x;
+       expsign = u.xbits.expsign;
+       ex = expsign & 0x7fff;
+       if (ex < BIAS + 25 || (ex == BIAS + 25 && u.bits.manh < 0xc90fdaa2)) {
+               union IEEEl2bits u2;
+               int ex1;
+
+               /* |x| ~< 2^25*(pi/2), medium size */
+               /* Use a specialized rint() to get fn.  Assume round-to-nearest. */
+               fn = x*invpio2 + 0x1.8p63;
+               fn = fn - 0x1.8p63;
+// FIXME
+//#ifdef HAVE_EFFICIENT_IRINT
+//             n = irint(fn);
+//#else
+               n = fn;
+//#endif
+               r = x-fn*pio2_1;
+               w = fn*pio2_1t;    /* 1st round good to 102 bit */
+               j = ex;
+               y[0] = r-w;
+               u2.e = y[0];
+               ex1 = u2.xbits.expsign & 0x7fff;
+               i = j-ex1;
+               if (i > 22) {  /* 2nd iteration needed, good to 141 */
+                       t = r;
+                       w = fn*pio2_2;
+                       r = t-w;
+                       w = fn*pio2_2t-((t-r)-w);
+                       y[0] = r-w;
+                       u2.e = y[0];
+                       ex1 = u2.xbits.expsign & 0x7fff;
+                       i = j-ex1;
+                       if (i > 61) {  /* 3rd iteration need, 180 bits acc */
+                               t = r; /* will cover all possible cases */
+                               w = fn*pio2_3;
+                               r = t-w;
+                               w = fn*pio2_3t-((t-r)-w);
+                               y[0] = r-w;
+                       }
+               }
+               y[1] = (r - y[0]) - w;
+               return n;
+       }
+       /*
+        * all other (large) arguments
+        */
+       if (ex == 0x7fff) {                /* x is inf or NaN */
+               y[0] = y[1] = x - x;
+               return 0;
+       }
+       /* set z = scalbn(|x|,ilogb(x)-23) */
+       u1.e = x;
+       e0 = ex - BIAS - 23;            /* e0 = ilogb(|x|)-23; */
+       u1.xbits.expsign = ex - e0;
+       z = u1.e;
+       for (i=0; i<2; i++) {
+               tx[i] = (double)(int32_t)z;
+               z     = (z-tx[i])*two24;
+       }
+       tx[2] = z;
+       nx = 3;
+       while (tx[nx-1] == zero)
+               nx--;     /* skip zero term */
+       n = __rem_pio2_large(tx,ty,e0,nx,2);
+       r = (long double)ty[0] + ty[1];
+       w = ty[1] - (r - ty[0]);
+       if (expsign < 0) {
+               y[0] = -r;
+               y[1] = -w;
+               return -n;
+       }
+       y[0] = r;
+       y[1] = w;
+       return n;
+}
+#endif

diff --git a/src/math/__rem_pio2l.h b/src/math/__rem_pio2l.h
deleted file mode 100644 (file)
index 11123c3..0000000
--- a/src/math/__rem_pio2l.h
+++ /dev/null
@@ -1,131 +0,0 @@
-/* origin: FreeBSD /usr/src/lib/msun/ld80/e_rem_pio2.c */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- * Copyright (c) 2008 Steven G. Kargl, David Schultz, Bruce D. Evans.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- *
- * Optimized by Bruce D. Evans.
- */
-#include "libm.h"
-#if LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384
-/* ld80 version of __rem_pio2(x,y)
- *
- * return the remainder of x rem pi/2 in y[0]+y[1]
- * use __rem_pio2_large() for large x
- */
-
-#define BIAS    (LDBL_MAX_EXP - 1)
-
-/*
- * invpio2:  64 bits of 2/pi
- * pio2_1:   first  39 bits of pi/2
- * pio2_1t:  pi/2 - pio2_1
- * pio2_2:   second 39 bits of pi/2
- * pio2_2t:  pi/2 - (pio2_1+pio2_2)
- * pio2_3:   third  39 bits of pi/2
- * pio2_3t:  pi/2 - (pio2_1+pio2_2+pio2_3)
- */
-static const double
-zero   =  0.00000000000000000000e+00, /* 0x00000000, 0x00000000 */
-two24  =  1.67772160000000000000e+07, /* 0x41700000, 0x00000000 */
-pio2_1 =  1.57079632679597125389e+00, /* 0x3FF921FB, 0x54444000 */
-pio2_2 = -1.07463465549783099519e-12, /* -0x12e7b967674000.0p-92 */
-pio2_3 =  6.36831716351370313614e-25; /*  0x18a2e037074000.0p-133 */
-
-static const long double
-invpio2 =  6.36619772367581343076e-01L, /*  0xa2f9836e4e44152a.0p-64 */
-pio2_1t = -1.07463465549719416346e-12L, /* -0x973dcb3b399d747f.0p-103 */
-pio2_2t =  6.36831716351095013979e-25L, /*  0xc51701b839a25205.0p-144 */
-pio2_3t = -2.75299651904407171810e-37L; /* -0xbb5bf6c7ddd660ce.0p-185 */
-
-static inline int __rem_pio2l(long double x, long double *y)
-{
-       union IEEEl2bits u,u1;
-       long double z,w,t,r,fn;
-       double tx[3],ty[2];
-       int e0,ex,i,j,nx,n;
-       int16_t expsign;
-
-       u.e = x;
-       expsign = u.xbits.expsign;
-       ex = expsign & 0x7fff;
-       if (ex < BIAS + 25 || (ex == BIAS + 25 && u.bits.manh < 0xc90fdaa2)) {
-               union IEEEl2bits u2;
-               int ex1;
-
-               /* |x| ~< 2^25*(pi/2), medium size */
-               /* Use a specialized rint() to get fn.  Assume round-to-nearest. */
-               fn = x*invpio2 + 0x1.8p63;
-               fn = fn - 0x1.8p63;
-// FIXME
-//#ifdef HAVE_EFFICIENT_IRINT
-//             n = irint(fn);
-//#else
-               n = fn;
-//#endif
-               r = x-fn*pio2_1;
-               w = fn*pio2_1t;    /* 1st round good to 102 bit */
-               j = ex;
-               y[0] = r-w;
-               u2.e = y[0];
-               ex1 = u2.xbits.expsign & 0x7fff;
-               i = j-ex1;
-               if (i > 22) {  /* 2nd iteration needed, good to 141 */
-                       t = r;
-                       w = fn*pio2_2;
-                       r = t-w;
-                       w = fn*pio2_2t-((t-r)-w);
-                       y[0] = r-w;
-                       u2.e = y[0];
-                       ex1 = u2.xbits.expsign & 0x7fff;
-                       i = j-ex1;
-                       if (i > 61) {  /* 3rd iteration need, 180 bits acc */
-                               t = r; /* will cover all possible cases */
-                               w = fn*pio2_3;
-                               r = t-w;
-                               w = fn*pio2_3t-((t-r)-w);
-                               y[0] = r-w;
-                       }
-               }
-               y[1] = (r - y[0]) - w;
-               return n;
-       }
-       /*
-        * all other (large) arguments
-        */
-       if (ex == 0x7fff) {                /* x is inf or NaN */
-               y[0] = y[1] = x - x;
-               return 0;
-       }
-       /* set z = scalbn(|x|,ilogb(x)-23) */
-       u1.e = x;
-       e0 = ex - BIAS - 23;            /* e0 = ilogb(|x|)-23; */
-       u1.xbits.expsign = ex - e0;
-       z = u1.e;
-       for (i=0; i<2; i++) {
-               tx[i] = (double)(int32_t)z;
-               z     = (z-tx[i])*two24;
-       }
-       tx[2] = z;
-       nx = 3;
-       while (tx[nx-1] == zero)
-               nx--;     /* skip zero term */
-       n = __rem_pio2_large(tx,ty,e0,nx,2);
-       r = (long double)ty[0] + ty[1];
-       w = ty[1] - (r - ty[0]);
-       if (expsign < 0) {
-               y[0] = -r;
-               y[1] = -w;
-               return -n;
-       }
-       y[0] = r;
-       y[1] = w;
-       return n;
-}
-#endif

diff --git a/src/math/cosl.c b/src/math/cosl.c
index 2c650cd..25d9005 100644 (file)
--- a/src/math/cosl.c
+++ b/src/math/cosl.c
@@ -36,8 +36,6 @@ long double cosl(long double x) {
        return cos(x);
 }
 #elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
-#include "__rem_pio2l.h"
-
 long double cosl(long double x)
 {
        union IEEEl2bits z;

diff --git a/src/math/sincosl.c b/src/math/sincosl.c
index 378dc97..e14129a 100644 (file)
--- a/src/math/sincosl.c
+++ b/src/math/sincosl.c
@@ -9,8 +9,6 @@ void sincosl(long double x, long double *sin, long double *cos)
        *cos = c;
 }
 #elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
-#include "__rem_pio2l.h"
-
 void sincosl(long double x, long double *sin, long double *cos)
 {
        union IEEEl2bits u;

diff --git a/src/math/sinl.c b/src/math/sinl.c
index 0b1aeb7..7e0b44f 100644 (file)
--- a/src/math/sinl.c
+++ b/src/math/sinl.c
@@ -34,8 +34,6 @@ long double sinl(long double x)
        return sin(x);
 }
 #elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
-#include "__rem_pio2l.h"
-
 long double sinl(long double x)
 {
        union IEEEl2bits z;

diff --git a/src/math/tanl.c b/src/math/tanl.c
index 462ead9..0194eaf 100644 (file)
--- a/src/math/tanl.c
+++ b/src/math/tanl.c
@@ -38,8 +38,6 @@ long double tanl(long double x)
        return tan(x);
 }
 #elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
-#include "__rem_pio2l.h"
-
 long double tanl(long double x)
 {
        union IEEEl2bits z;