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author | das <das@FreeBSD.org> | 2013-06-05 05:33:01 +0000 |
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committer | das <das@FreeBSD.org> | 2013-06-05 05:33:01 +0000 |
commit | 16f58a23858b9b290bd20b39bf643e8b0869e184 (patch) | |
tree | f22b4fedcc606eb0b7ccbd4ae8136df87d126c3a /lib | |
parent | f228730cd01207092a30e3c540b85818990759fa (diff) | |
download | FreeBSD-src-16f58a23858b9b290bd20b39bf643e8b0869e184.zip FreeBSD-src-16f58a23858b9b290bd20b39bf643e8b0869e184.tar.gz |
Style fixes.
Submitted by: bde
Diffstat (limited to 'lib')
-rw-r--r-- | lib/msun/Makefile | 13 | ||||
-rw-r--r-- | lib/msun/src/catrig.c | 42 | ||||
-rw-r--r-- | lib/msun/src/catrigf.c | 55 | ||||
-rw-r--r-- | lib/msun/src/e_log2.c | 2 |
4 files changed, 58 insertions, 54 deletions
diff --git a/lib/msun/Makefile b/lib/msun/Makefile index fab09f9..43e4b0b 100644 --- a/lib/msun/Makefile +++ b/lib/msun/Makefile @@ -21,6 +21,10 @@ ARCH_SUBDIR= ${MACHINE_CPUARCH} .include "${ARCH_SUBDIR}/Makefile.inc" .PATH: ${.CURDIR}/${ARCH_SUBDIR} +.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" +.PATH: ${.CURDIR}/x86 +CFLAGS+= -I${.CURDIR}/x86 +.endif # long double format .if ${LDBL_PREC} == 64 @@ -35,10 +39,6 @@ CFLAGS+= -I${.CURDIR}/ld128 .PATH: ${.CURDIR}/src .PATH: ${.CURDIR}/man -.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" -.PATH: ${.CURDIR}/x86 -.endif - LIB= m SHLIBDIR?= /lib SHLIB_MAJOR= 5 @@ -187,8 +187,9 @@ MLINKS+=j0.3 j1.3 j0.3 jn.3 j0.3 y0.3 j0.3 y1.3 j0.3 y1f.3 j0.3 yn.3 MLINKS+=j0.3 j0f.3 j0.3 j1f.3 j0.3 jnf.3 j0.3 y0f.3 j0.3 ynf.3 MLINKS+=lgamma.3 gamma.3 lgamma.3 gammaf.3 lgamma.3 lgammaf.3 \ lgamma.3 tgamma.3 lgamma.3 tgammaf.3 -MLINKS+=log.3 log10.3 log.3 log10f.3 log.3 log10l.3 log.3 \ - log1p.3 log.3 log1pf.3 log.3 log1pl.3 log.3 logf.3 log.3 logl.3 \ +MLINKS+=log.3 log10.3 log.3 log10f.3 log.3 log10l.3 \ + log.3 log1p.3 log.3 log1pf.3 log.3 log1pl.3 \ + log.3 logf.3 log.3 logl.3 \ log.3 log2.3 log.3 log2f.3 log.3 log2l.3 MLINKS+=lrint.3 llrint.3 lrint.3 llrintf.3 lrint.3 llrintl.3 \ lrint.3 lrintf.3 lrint.3 lrintl.3 diff --git a/lib/msun/src/catrig.c b/lib/msun/src/catrig.c index f69a337..200977c 100644 --- a/lib/msun/src/catrig.c +++ b/lib/msun/src/catrig.c @@ -151,13 +151,13 @@ f(double a, double b, double hypot_a_b) */ static inline void do_hard_work(double x, double y, double *rx, int *B_is_usable, double *B, - double *sqrt_A2my2, double *new_y) + double *sqrt_A2my2, double *new_y) { double R, S, A; /* A, B, R, and S are as in Hull et al. */ double Am1, Amy; /* A-1, A-y. */ - R = hypot(x, y + 1); /* |z+I| */ - S = hypot(x, y - 1); /* |z-I| */ + R = hypot(x, y + 1); /* |z+I| */ + S = hypot(x, y - 1); /* |z-I| */ /* A = (|z+I| + |z-I|) / 2 */ A = (R + S) / 2; @@ -174,7 +174,7 @@ do_hard_work(double x, double y, double *rx, int *B_is_usable, double *B, * Am1 = fp + fm, where fp = f(x, 1+y), and fm = f(x, 1-y). * rx = log1p(Am1 + sqrt(Am1*(A+1))) */ - if (y == 1 && x < DBL_EPSILON*DBL_EPSILON / 128) { + if (y == 1 && x < DBL_EPSILON * DBL_EPSILON / 128) { /* * fp is of order x^2, and fm = x/2. * A = 1 (inexactly). @@ -193,7 +193,7 @@ do_hard_work(double x, double y, double *rx, int *B_is_usable, double *B, * A = 1 (inexactly). */ *rx = x / sqrt((1 - y) * (1 + y)); - } else /* if (y > 1) */ { + } else { /* if (y > 1) */ /* * A-1 = y-1 (inexactly). */ @@ -251,9 +251,9 @@ do_hard_work(double x, double y, double *rx, int *B_is_usable, double *B, * scaling should avoid any underflow problems. */ *sqrt_A2my2 = x * (4 / DBL_EPSILON / DBL_EPSILON) * y / - sqrt((y + 1) * (y - 1)); + sqrt((y + 1) * (y - 1)); *new_y = y * (4 / DBL_EPSILON / DBL_EPSILON); - } else /* if (y < 1) */ { + } else { /* if (y < 1) */ /* * fm = 1-y >= DBL_EPSILON, fp is of order x^2, and * A = 1 (inexactly). @@ -298,7 +298,6 @@ casinh(double complex z) * C99 leaves it optional whether to raise invalid if one of * the arguments is not NaN, so we opt not to raise it. */ - /* Bruce Evans tells me this is the way to do this: */ return (cpack(x + 0.0L + (y + 0), x + 0.0L + (y + 0))); } @@ -337,6 +336,7 @@ double complex casin(double complex z) { double complex w = casinh(cpack(cimag(z), creal(z))); + return (cpack(cimag(w), creal(w))); } @@ -402,17 +402,17 @@ cacos(double complex z) /* All remaining cases are inexact. */ raise_inexact(); - if (ax < SQRT_6_EPSILON / 4 && ay < SQRT_6_EPSILON/4) + if (ax < SQRT_6_EPSILON / 4 && ay < SQRT_6_EPSILON / 4) return (cpack(pio2_hi - (x - pio2_lo), -y)); do_hard_work(ay, ax, &ry, &B_is_usable, &B, &sqrt_A2mx2, &new_x); if (B_is_usable) { - if (sx==0) + if (sx == 0) rx = acos(B); else rx = acos(-B); } else { - if (sx==0) + if (sx == 0) rx = atan2(sqrt_A2mx2, new_x); else rx = atan2(sqrt_A2mx2, -new_x); @@ -488,10 +488,6 @@ clog_for_large_values(double complex z) } /* - *============================================================================= - */ - -/* * ================= * | catanh, catan | * ================= @@ -511,6 +507,7 @@ sum_squares(double x, double y) /* Avoid underflow when y is small. */ if (y < SQRT_MIN) return (x * x); + return (x * x + y * y); } @@ -578,7 +575,7 @@ catanh(double complex z) /* This helps handle many cases. */ if (y == 0 && ax <= 1) - return (cpack(atanh(x), y)); + return (cpack(atanh(x), y)); /* To ensure the same accuracy as atan(), and to filter out z = 0. */ if (x == 0) @@ -589,10 +586,9 @@ catanh(double complex z) if (isinf(x)) return (cpack(copysign(0, x), y + y)); /* catanh(NaN + I*+-Inf) = sign(NaN)0 + I*+-PI/2 */ - if (isinf(y)) { + if (isinf(y)) return (cpack(copysign(0, x), - copysign(pio2_hi + pio2_lo, y))); - } + copysign(pio2_hi + pio2_lo, y))); /* * All other cases involving NaN return NaN + I*NaN. * C99 leaves it optional whether to raise invalid if one of @@ -601,10 +597,9 @@ catanh(double complex z) return (cpack(x + 0.0L + (y + 0), x + 0.0L + (y + 0))); } - if (ax > RECIP_EPSILON || ay > RECIP_EPSILON) { + if (ax > RECIP_EPSILON || ay > RECIP_EPSILON) return (cpack(real_part_reciprocal(x, y), - copysign(pio2_hi + pio2_lo, y))); - } + copysign(pio2_hi + pio2_lo, y))); if (ax < SQRT_3_EPSILON / 2 && ay < SQRT_3_EPSILON / 2) { /* @@ -617,7 +612,7 @@ catanh(double complex z) } if (ax == 1 && ay < DBL_EPSILON) - rx = (log(ay) - m_ln2) / -2; + rx = (m_ln2 - log(ay)) / 2; else rx = log1p(4 * ax / sum_squares(ax - 1, ay)) / 4; @@ -639,5 +634,6 @@ double complex catan(double complex z) { double complex w = catanh(cpack(cimag(z), creal(z))); + return (cpack(cimag(w), creal(w))); } diff --git a/lib/msun/src/catrigf.c b/lib/msun/src/catrigf.c index cf0caef..08ebef7 100644 --- a/lib/msun/src/catrigf.c +++ b/lib/msun/src/catrigf.c @@ -31,7 +31,11 @@ * Mathematical Software, Volume 23 Issue 3, 1997, Pages 299-335, * http://dl.acm.org/citation.cfm?id=275324. * - * The code for catrig.c contains complete comments. + * See catrig.c for complete comments. + * + * XXX comments were removed automatically, and even short ones on the right + * of statements were removed (all of them), contrary to normal style. Only + * a few comments on the right of declarations remain. */ #include <sys/cdefs.h> @@ -82,7 +86,7 @@ f(float a, float b, float hypot_a_b) static inline void do_hard_work(float x, float y, float *rx, int *B_is_usable, float *B, - float *sqrt_A2my2, float *new_y) + float *sqrt_A2my2, float *new_y) { float R, S, A; float Am1, Amy; @@ -101,7 +105,7 @@ do_hard_work(float x, float y, float *rx, int *B_is_usable, float *B, Am1 = f(x, 1 + y, R) + f(x, 1 - y, S); *rx = log1pf(Am1 + sqrtf(Am1 * (A + 1))); } else if (y < 1) { - *rx = x / sqrtf((1 - y)*(1 + y)); + *rx = x / sqrtf((1 - y) * (1 + y)); } else { *rx = log1pf((y - 1) + sqrtf((y - 1) * (y + 1))); } @@ -130,7 +134,7 @@ do_hard_work(float x, float y, float *rx, int *B_is_usable, float *B, *sqrt_A2my2 = sqrtf(Amy * (A + y)); } else if (y > 1) { *sqrt_A2my2 = x * (4 / FLT_EPSILON / FLT_EPSILON) * y / - sqrtf((y + 1) * (y - 1)); + sqrtf((y + 1) * (y - 1)); *new_y = y * (4 / FLT_EPSILON / FLT_EPSILON); } else { *sqrt_A2my2 = sqrtf((1 - y) * (1 + y)); @@ -166,7 +170,7 @@ casinhf(float complex z) else w = clog_for_large_values(-z) + m_ln2; return (cpackf(copysignf(crealf(w), x), - copysignf(cimagf(w), y))); + copysignf(cimagf(w), y))); } if (x == 0 && y == 0) @@ -189,6 +193,7 @@ float complex casinf(float complex z) { float complex w = casinhf(cpackf(cimagf(z), crealf(z))); + return (cpackf(cimagf(w), crealf(w))); } @@ -212,7 +217,8 @@ cacosf(float complex z) return (cpackf(y + y, -INFINITY)); if (isinf(y)) return (cpackf(x + x, -y)); - if (x == 0) return (cpackf(pio2_hi + pio2_lo, y + y)); + if (x == 0) + return (cpackf(pio2_hi + pio2_lo, y + y)); return (cpackf(x + 0.0L + (y + 0), x + 0.0L + (y + 0))); } @@ -235,17 +241,17 @@ cacosf(float complex z) do_hard_work(ay, ax, &ry, &B_is_usable, &B, &sqrt_A2mx2, &new_x); if (B_is_usable) { - if (sx==0) + if (sx == 0) rx = acosf(B); else rx = acosf(-B); } else { - if (sx==0) + if (sx == 0) rx = atan2f(sqrt_A2mx2, new_x); else rx = atan2f(sqrt_A2mx2, -new_x); } - if (sy==0) + if (sy == 0) ry = -ry; return (cpackf(rx, ry)); } @@ -284,10 +290,9 @@ clog_for_large_values(float complex z) ay = t; } - if (ax > FLT_MAX / 2) { + if (ax > FLT_MAX / 2) return (cpackf(logf(hypotf(x / m_e, y / m_e)) + 1, - atan2f(y, x))); - } + atan2f(y, x))); if (ax > QUARTER_SQRT_MAX || ay < SQRT_MIN) return (cpackf(logf(hypotf(x, y)), atan2f(y, x))); @@ -300,8 +305,9 @@ sum_squares(float x, float y) { if (y < SQRT_MIN) - return (x*x); - return (x*x + y*y); + return (x * x); + + return (x * x + y * y); } static inline float @@ -318,9 +324,9 @@ real_part_reciprocal(float x, float y) #define BIAS (FLT_MAX_EXP - 1) #define CUTOFF (FLT_MANT_DIG / 2 + 1) if (ix - iy >= CUTOFF << 23 || isinf(x)) - return (1/x); + return (1 / x); if (iy - ix >= CUTOFF << 23) - return (x/y/y); + return (x / y / y); if (ix <= (BIAS + FLT_MAX_EXP / 2 - CUTOFF) << 23) return (x / (x * x + y * y)); SET_FLOAT_WORD(scale, 0x7f800000 - ix); @@ -340,25 +346,23 @@ catanhf(float complex z) ay = fabsf(y); if (y == 0 && ax <= 1) - return (cpackf(atanhf(x), y)); + return (cpackf(atanhf(x), y)); if (x == 0) return (cpackf(x, atanf(y))); if (isnan(x) || isnan(y)) { if (isinf(x)) - return (cpackf(copysignf(0, x), y+y)); - if (isinf(y)) { + return (cpackf(copysignf(0, x), y + y)); + if (isinf(y)) return (cpackf(copysignf(0, x), - copysignf(pio2_hi + pio2_lo, y))); - } + copysignf(pio2_hi + pio2_lo, y))); return (cpackf(x + 0.0L + (y + 0), x + 0.0L + (y + 0))); } - if (ax > RECIP_EPSILON || ay > RECIP_EPSILON) { + if (ax > RECIP_EPSILON || ay > RECIP_EPSILON) return (cpackf(real_part_reciprocal(x, y), - copysignf(pio2_hi + pio2_lo, y))); - } + copysignf(pio2_hi + pio2_lo, y))); if (ax < SQRT_3_EPSILON / 2 && ay < SQRT_3_EPSILON / 2) { raise_inexact(); @@ -366,7 +370,7 @@ catanhf(float complex z) } if (ax == 1 && ay < FLT_EPSILON) - rx = (logf(ay) - m_ln2) / -2; + rx = (m_ln2 - logf(ay)) / 2; else rx = log1pf(4 * ax / sum_squares(ax - 1, ay)) / 4; @@ -384,5 +388,6 @@ float complex catanf(float complex z) { float complex w = catanhf(cpackf(cimagf(z), crealf(z))); + return (cpackf(cimagf(w), crealf(w))); } diff --git a/lib/msun/src/e_log2.c b/lib/msun/src/e_log2.c index d737f04..4766cdb 100644 --- a/lib/msun/src/e_log2.c +++ b/lib/msun/src/e_log2.c @@ -24,6 +24,8 @@ __FBSDID("$FreeBSD$"); * in not-quite-routine extra precision. */ +#include <float.h> + #include "math.h" #include "math_private.h" #include "k_log.h" |