From e960f715b73aa82e6fa61a6edf8a6ff7d431adbb Mon Sep 17 00:00:00 2001
From: Ray Speth <speth@mit.edu>
Date: Tue, 17 Jan 2012 04:09:58 +0000
Subject: [PATCH] Fixed a bunch of compiler warnings (MSVC) in the f2c code

---
 ext/f2c_blas/isamax.c   |  8 ++++----
 ext/f2c_lapack/dlasq2.c | 14 +++++++-------
 ext/f2c_lapack/dlasq3.c |  8 ++++----
 ext/f2c_lapack/dlasq5.c | 12 ++++++------
 ext/f2c_lapack/dlasq6.c |  6 +++---
 ext/f2c_libs/c_cos.c    |  4 ++--
 ext/f2c_libs/c_div.c    |  6 +++---
 ext/f2c_libs/c_exp.c    |  4 ++--
 ext/f2c_libs/c_log.c    |  4 ++--
 ext/f2c_libs/c_sin.c    |  4 ++--
 ext/f2c_libs/c_sqrt.c   |  9 +++++----
 ext/f2c_libs/dtime_.c   |  2 +-
 ext/f2c_libs/etime_.c   |  2 +-
 ext/f2c_libs/fmtlib.c   |  2 +-
 ext/f2c_libs/inquire.c  |  2 +-
 ext/f2c_libs/lread.c    |  8 ++++----
 ext/f2c_libs/lwrite.c   |  2 +-
 ext/f2c_libs/open.c     |  2 +-
 ext/f2c_libs/pow_ci.c   |  4 ++--
 ext/f2c_libs/rdfmt.c    |  8 ++++----
 ext/f2c_libs/wref.c     |  2 +-
 ext/f2c_libs/wrtfmt.c   |  2 +-
 ext/f2c_math/ddaspk.c   |  6 +++---
 ext/f2c_math/j4save.c   |  2 +-
 ext/f2c_math/polfit.c   | 12 ++++++------
 ext/f2c_math/pvalue.c   |  4 ++--
 ext/f2c_math/xersve.c   | 12 ++++++------
 27 files changed, 76 insertions(+), 75 deletions(-)

diff --git a/ext/f2c_blas/isamax.c b/ext/f2c_blas/isamax.c
index b5113adf0..2d3400b30 100644
--- a/ext/f2c_blas/isamax.c
+++ b/ext/f2c_blas/isamax.c
@@ -51,7 +51,7 @@ integer isamax_(integer *n, real *sx, integer *incx)
 /*        code for increment not equal to 1 */
 
     ix = 1;
-    smax = dabs(sx[1]);
+    smax = (real) dabs(sx[1]);
     ix += *incx;
     i__1 = *n;
     for (i__ = 2; i__ <= i__1; ++i__) {
@@ -59,7 +59,7 @@ integer isamax_(integer *n, real *sx, integer *incx)
 	    goto L5;
 	}
 	ret_val = i__;
-	smax = (r__1 = sx[ix], dabs(r__1));
+	smax = (real) (r__1 = sx[ix], dabs(r__1));
 L5:
 	ix += *incx;
 /* L10: */
@@ -69,14 +69,14 @@ L5:
 /*        code for increment equal to 1 */
 
 L20:
-    smax = dabs(sx[1]);
+    smax = (real) dabs(sx[1]);
     i__1 = *n;
     for (i__ = 2; i__ <= i__1; ++i__) {
 	if ((r__1 = sx[i__], dabs(r__1)) <= smax) {
 	    goto L30;
 	}
 	ret_val = i__;
-	smax = (r__1 = sx[i__], dabs(r__1));
+	smax = (real) (r__1 = sx[i__], dabs(r__1));
 L30:
 	;
     }
diff --git a/ext/f2c_lapack/dlasq2.c b/ext/f2c_lapack/dlasq2.c
index f3a47a875..f939bdfb4 100644
--- a/ext/f2c_lapack/dlasq2.c
+++ b/ext/f2c_lapack/dlasq2.c
@@ -187,7 +187,7 @@ static integer c__11 = 11;
     d__ = 0.;
     e = 0.;
 
-    i__1 = *n - 1 << 1;
+    i__1 = (*n - 1) << 1;
     for (k = 1; k <= i__1; k += 2) {
 	if (z__[k] < 0.) {
 	    *info = -(k + 200);
@@ -266,8 +266,8 @@ static integer c__11 = 11;
 /*     Reverse the qd-array, if warranted. */
 
     if (z__[(i0 << 2) - 3] * 1.5 < z__[(n0 << 2) - 3]) {
-	ipn4 = i0 + n0 << 2;
-	i__1 = i0 + n0 - 1 << 1;
+	ipn4 = (i0 + n0) << 2;
+	i__1 = (i0 + n0 - 1) << 1;
 	for (i4 = i0 << 2; i4 <= i__1; i4 += 4) {
 	    temp = z__[i4 - 3];
 	    z__[i4 - 3] = z__[ipn4 - i4 - 3];
@@ -287,7 +287,7 @@ static integer c__11 = 11;
 
 	d__ = z__[(n0 << 2) + pp - 3];
 	i__1 = (i0 << 2) + pp;
-	for (i4 = (n0 - 1 << 2) + pp; i4 >= i__1; i4 += -4) {
+	for (i4 = ((n0 - 1) << 2) + pp; i4 >= i__1; i4 += -4) {
 	    if (z__[i4 - 1] <= tol2 * d__) {
 		z__[i4 - 1] = 0.;
 		d__ = z__[i4 - 3];
@@ -301,7 +301,7 @@ static integer c__11 = 11;
 
 	emin = z__[(i0 << 2) + pp + 1];
 	d__ = z__[(i0 << 2) + pp - 3];
-	i__1 = (n0 - 1 << 2) + pp;
+	i__1 = ((n0 - 1) << 2) + pp;
 	for (i4 = (i0 << 2) + pp; i4 <= i__1; i4 += 4) {
 	    z__[i4 - (pp << 1) - 2] = d__ + z__[i4 - 1];
 	    if (z__[i4 - 1] <= tol2 * d__) {
@@ -345,7 +345,7 @@ static integer c__11 = 11;
 
     iter = 2;
     nfail = 0;
-    ndiv = n0 - i0 << 1;
+    ndiv = (n0 - i0) << 1;
 
     i__1 = *n + 1;
     for (iwhila = 1; iwhila <= i__1; ++iwhila) {
@@ -442,7 +442,7 @@ L100:
 		    qmax = z__[(i0 << 2) - 3];
 		    emin = z__[(i0 << 2) - 1];
 		    oldemn = z__[i0 * 4];
-		    i__3 = n0 - 3 << 2;
+		    i__3 = (n0 - 3) << 2;
 		    for (i4 = i0 << 2; i4 <= i__3; i4 += 4) {
 			if (z__[i4] <= tol2 * z__[i4 - 3] || z__[i4 - 1] <= 
 				tol2 * sigma) {
diff --git a/ext/f2c_lapack/dlasq3.c b/ext/f2c_lapack/dlasq3.c
index bd4cf32df..a1934a9b5 100644
--- a/ext/f2c_lapack/dlasq3.c
+++ b/ext/f2c_lapack/dlasq3.c
@@ -177,8 +177,8 @@ L50:
 
     if (*dmin__ <= 0. || *n0 < n0in) {
 	if (z__[(*i0 << 2) + *pp - 3] * 1.5 < z__[(*n0 << 2) + *pp - 3]) {
-	    ipn4 = *i0 + *n0 << 2;
-	    i__1 = *i0 + *n0 - 1 << 1;
+	    ipn4 = (*i0 + *n0) << 2;
+	    i__1 = (*i0 + *n0 - 1) << 1;
 	    for (j4 = *i0 << 2; j4 <= i__1; j4 += 4) {
 		temp = z__[j4 - 3];
 		z__[j4 - 3] = z__[ipn4 - j4 - 3];
@@ -247,12 +247,12 @@ L80:
 
 	    goto L100;
 
-	} else if (*dmin__ < 0. && dmin1 > 0. && z__[(*n0 - 1 << 2) - *pp] < 
+	} else if (*dmin__ < 0. && dmin1 > 0. && z__[((*n0 - 1) << 2) - *pp] <
 		tol * (*sigma + dn1) && abs(dn) < tol * *sigma) {
 
 /*           Convergence hidden by negative DN. */
 
-	    z__[(*n0 - 1 << 2) - *pp + 2] = 0.;
+	    z__[((*n0 - 1) << 2) - *pp + 2] = 0.;
 	    *dmin__ = 0.;
 	    goto L100;
 	} else if (*dmin__ < 0.) {
diff --git a/ext/f2c_lapack/dlasq5.c b/ext/f2c_lapack/dlasq5.c
index 835530b20..439e49036 100644
--- a/ext/f2c_lapack/dlasq5.c
+++ b/ext/f2c_lapack/dlasq5.c
@@ -90,7 +90,7 @@ extern "C" {
 /*        Code for IEEE arithmetic. */
 
 	if (*pp == 0) {
-	    i__1 = *n0 - 3 << 2;
+	    i__1 = (*n0 - 3) << 2;
 	    for (j4 = *i0 << 2; j4 <= i__1; j4 += 4) {
 		z__[j4 - 2] = d__ + z__[j4 - 1];
 		temp = z__[j4 + 1] / z__[j4 - 2];
@@ -103,7 +103,7 @@ extern "C" {
 /* L10: */
 	    }
 	} else {
-	    i__1 = *n0 - 3 << 2;
+	    i__1 = (*n0 - 3) << 2;
 	    for (j4 = *i0 << 2; j4 <= i__1; j4 += 4) {
 		z__[j4 - 3] = d__ + z__[j4];
 		temp = z__[j4 + 2] / z__[j4 - 3];
@@ -121,7 +121,7 @@ extern "C" {
 
 	*dnm2 = d__;
 	*dmin2 = *dmin__;
-	j4 = (*n0 - 2 << 2) - *pp;
+	j4 = ((*n0 - 2) << 2) - *pp;
 	j4p2 = j4 + (*pp << 1) - 1;
 	z__[j4 - 2] = *dnm2 + z__[j4p2];
 	z__[j4] = z__[j4p2 + 2] * (z__[j4p2] / z__[j4 - 2]);
@@ -141,7 +141,7 @@ extern "C" {
 /*        Code for non IEEE arithmetic. */
 
 	if (*pp == 0) {
-	    i__1 = *n0 - 3 << 2;
+	    i__1 = (*n0 - 3) << 2;
 	    for (j4 = *i0 << 2; j4 <= i__1; j4 += 4) {
 		z__[j4 - 2] = d__ + z__[j4 - 1];
 		if (d__ < 0.) {
@@ -157,7 +157,7 @@ extern "C" {
 /* L30: */
 	    }
 	} else {
-	    i__1 = *n0 - 3 << 2;
+	    i__1 = (*n0 - 3) << 2;
 	    for (j4 = *i0 << 2; j4 <= i__1; j4 += 4) {
 		z__[j4 - 3] = d__ + z__[j4];
 		if (d__ < 0.) {
@@ -178,7 +178,7 @@ extern "C" {
 
 	*dnm2 = d__;
 	*dmin2 = *dmin__;
-	j4 = (*n0 - 2 << 2) - *pp;
+	j4 = ((*n0 - 2) << 2) - *pp;
 	j4p2 = j4 + (*pp << 1) - 1;
 	z__[j4 - 2] = *dnm2 + z__[j4p2];
 	if (*dnm2 < 0.) {
diff --git a/ext/f2c_lapack/dlasq6.c b/ext/f2c_lapack/dlasq6.c
index 4a6cbb793..57b802c37 100644
--- a/ext/f2c_lapack/dlasq6.c
+++ b/ext/f2c_lapack/dlasq6.c
@@ -89,7 +89,7 @@ extern "C" {
     *dmin__ = d__;
 
     if (*pp == 0) {
-	i__1 = *n0 - 3 << 2;
+	i__1 = (*n0 - 3) << 2;
 	for (j4 = *i0 << 2; j4 <= i__1; j4 += 4) {
 	    z__[j4 - 2] = d__ + z__[j4 - 1];
 	    if (z__[j4 - 2] == 0.) {
@@ -113,7 +113,7 @@ extern "C" {
 /* L10: */
 	}
     } else {
-	i__1 = *n0 - 3 << 2;
+	i__1 = (*n0 - 3) << 2;
 	for (j4 = *i0 << 2; j4 <= i__1; j4 += 4) {
 	    z__[j4 - 3] = d__ + z__[j4];
 	    if (z__[j4 - 3] == 0.) {
@@ -142,7 +142,7 @@ extern "C" {
 
     *dnm2 = d__;
     *dmin2 = *dmin__;
-    j4 = (*n0 - 2 << 2) - *pp;
+    j4 = ((*n0 - 2) << 2) - *pp;
     j4p2 = j4 + (*pp << 1) - 1;
     z__[j4 - 2] = *dnm2 + z__[j4p2];
     if (z__[j4 - 2] == 0.) {
diff --git a/ext/f2c_libs/c_cos.c b/ext/f2c_libs/c_cos.c
index 29fe49e3c..ceb873d5d 100644
--- a/ext/f2c_libs/c_cos.c
+++ b/ext/f2c_libs/c_cos.c
@@ -15,8 +15,8 @@ void c_cos(complex *r, complex *z)
 #endif
 {
 	double zi = z->i, zr = z->r;
-	r->r =   cos(zr) * cosh(zi);
-	r->i = - sin(zr) * sinh(zi);
+	r->r = (real) (cos(zr) * cosh(zi));
+	r->i = (real) (- sin(zr) * sinh(zi));
 	}
 #ifdef __cplusplus
 }
diff --git a/ext/f2c_libs/c_div.c b/ext/f2c_libs/c_div.c
index 59425e7aa..db8aa38c1 100644
--- a/ext/f2c_libs/c_div.c
+++ b/ext/f2c_libs/c_div.c
@@ -36,7 +36,7 @@ void c_div(complex *c, complex *a, complex *b)
 		ratio = (double)b->r / b->i ;
 		den = b->i * (1 + ratio*ratio);
 		cr = (a->r*ratio + a->i) / den;
-		c->i = (a->i*ratio - a->r) / den;
+		c->i = (real) ((a->i*ratio - a->r) / den);
 		}
 
 	else
@@ -44,9 +44,9 @@ void c_div(complex *c, complex *a, complex *b)
 		ratio = (double)b->i / b->r ;
 		den = b->r * (1 + ratio*ratio);
 		cr = (a->r + a->i*ratio) / den;
-		c->i = (a->i - a->r*ratio) / den;
+		c->i = (real) ((a->i - a->r*ratio) / den);
 		}
-	c->r = cr;
+	c->r = (real) cr;
 	}
 #ifdef __cplusplus
 }
diff --git a/ext/f2c_libs/c_exp.c b/ext/f2c_libs/c_exp.c
index f46508d35..bfc1b1a30 100644
--- a/ext/f2c_libs/c_exp.c
+++ b/ext/f2c_libs/c_exp.c
@@ -17,8 +17,8 @@ void c_exp(complex *r, complex *z)
 	double expx, zi = z->i;
 
 	expx = exp(z->r);
-	r->r = expx * cos(zi);
-	r->i = expx * sin(zi);
+	r->r = (real) (expx * cos(zi));
+	r->i = (real) (expx * sin(zi));
 	}
 #ifdef __cplusplus
 }
diff --git a/ext/f2c_libs/c_log.c b/ext/f2c_libs/c_log.c
index a0ba3f0d8..c8eec926e 100644
--- a/ext/f2c_libs/c_log.c
+++ b/ext/f2c_libs/c_log.c
@@ -15,8 +15,8 @@ void c_log(complex *r, complex *z)
 #endif
 {
 	double zi, zr;
-	r->i = atan2(zi = z->i, zr = z->r);
-	r->r = log( f__cabs(zr, zi) );
+	r->i = (real) atan2(zi = z->i, zr = z->r);
+	r->r = (real) log( f__cabs(zr, zi) );
 	}
 #ifdef __cplusplus
 }
diff --git a/ext/f2c_libs/c_sin.c b/ext/f2c_libs/c_sin.c
index c8bc30f2d..b55fcb5dd 100644
--- a/ext/f2c_libs/c_sin.c
+++ b/ext/f2c_libs/c_sin.c
@@ -15,8 +15,8 @@ void c_sin(complex *r, complex *z)
 #endif
 {
 	double zi = z->i, zr = z->r;
-	r->r = sin(zr) * cosh(zi);
-	r->i = cos(zr) * sinh(zi);
+	r->r = (real) (sin(zr) * cosh(zi));
+	r->i = (real) (cos(zr) * sinh(zi));
 	}
 #ifdef __cplusplus
 }
diff --git a/ext/f2c_libs/c_sqrt.c b/ext/f2c_libs/c_sqrt.c
index 1678c534d..714743580 100644
--- a/ext/f2c_libs/c_sqrt.c
+++ b/ext/f2c_libs/c_sqrt.c
@@ -22,18 +22,19 @@ void c_sqrt(complex *r, complex *z)
 		r->r = r->i = 0.;
 	else if(zr > 0)
 		{
-		r->r = t = sqrt(0.5 * (mag + zr) );
+		t = sqrt(0.5 * (mag + zr) );
+		r->r = (real) t;
 		t = zi / t;
-		r->i = 0.5 * t;
+		r->i = (real) (0.5 * t);
 		}
 	else
 		{
 		t = sqrt(0.5 * (mag - zr) );
 		if(zi < 0)
 			t = -t;
-		r->i = t;
+		r->i = (real) t;
 		t = zi / t;
-		r->r = 0.5 * t;
+		r->r = (real) (0.5 * t);
 		}
 	}
 #ifdef __cplusplus
diff --git a/ext/f2c_libs/dtime_.c b/ext/f2c_libs/dtime_.c
index 6a09b3e98..f7694247b 100644
--- a/ext/f2c_libs/dtime_.c
+++ b/ext/f2c_libs/dtime_.c
@@ -44,7 +44,7 @@ dtime_(float *tarray)
 	static double t0;
 	double t = clock();
 	tarray[1] = 0;
-	tarray[0] = (t - t0) / CLOCKS_PER_SECOND;
+	tarray[0] = (float) ((t - t0) / CLOCKS_PER_SECOND);
 	t0 = t;
 	return tarray[0];
 #else
diff --git a/ext/f2c_libs/etime_.c b/ext/f2c_libs/etime_.c
index 2d9a36d8a..c6a1f108e 100644
--- a/ext/f2c_libs/etime_.c
+++ b/ext/f2c_libs/etime_.c
@@ -43,7 +43,7 @@ etime_(float *tarray)
 #endif
 	double t = clock();
 	tarray[1] = 0;
-	return tarray[0] = t / CLOCKS_PER_SECOND;
+	return (float) (tarray[0] = t / CLOCKS_PER_SECOND);
 #else
 	struct tms t;
 
diff --git a/ext/f2c_libs/fmtlib.c b/ext/f2c_libs/fmtlib.c
index 279f66f43..acbfbc37f 100644
--- a/ext/f2c_libs/fmtlib.c
+++ b/ext/f2c_libs/fmtlib.c
@@ -39,7 +39,7 @@ char *f__icvt(longint value, int *ndigit, int *sign, int base)
 		}
 	i = MAXINTLENGTH;
 	do {
-		buf[--i] = (uvalue%base) + '0';
+		buf[--i] = (char) ((uvalue%base) + '0');
 		uvalue /= base;
 		}
 		while(uvalue > 0);
diff --git a/ext/f2c_libs/inquire.c b/ext/f2c_libs/inquire.c
index 033e9c019..96db855eb 100644
--- a/ext/f2c_libs/inquire.c
+++ b/ext/f2c_libs/inquire.c
@@ -74,7 +74,7 @@ integer f_inqu(inlist *a)
 		if(byfile) *a->inopen=(p!=NULL);
 		else *a->inopen=(p!=NULL && p->ufd!=NULL);
         }
-	if(a->innum!=NULL) *a->innum= p-f__units;
+	if(a->innum!=NULL) *a->innum= (ftnint) (p-f__units);
 	if(a->innamed!=NULL) {
 		if(byfile || (p!=NULL && p->ufnm!=NULL))
 			*a->innamed=1;
diff --git a/ext/f2c_libs/lread.c b/ext/f2c_libs/lread.c
index c23c0ad58..c9e1598c0 100644
--- a/ext/f2c_libs/lread.c
+++ b/ext/f2c_libs/lread.c
@@ -181,7 +181,7 @@ retry:
 			GETC(ch);
 			}
 		}
-	havenum += sp - sp1;
+	havenum += (int) (sp - sp1);
 	se = 0;
 	if (issign(ch))
 		goto signonly;
@@ -751,15 +751,15 @@ l_read(ftnint *number, char *ptr, ftnlen len, ftnint type)
 			break;
 #endif
 		case TYREAL:
-			Ptr->flreal=f__lx;
+			Ptr->flreal= (real) f__lx;
 			break;
 		case TYDREAL:
 			Ptr->fldouble=f__lx;
 			break;
 		case TYCOMPLEX:
 			xx=(real *)ptr;
-			*xx++ = f__lx;
-			*xx = f__ly;
+			*xx++ = (real) f__lx;
+			*xx = (real) f__ly;
 			break;
 		case TYDCOMPLEX:
 			yy=(doublereal *)ptr;
diff --git a/ext/f2c_libs/lwrite.c b/ext/f2c_libs/lwrite.c
index 9e0d93deb..5b5fe249d 100644
--- a/ext/f2c_libs/lwrite.c
+++ b/ext/f2c_libs/lwrite.c
@@ -169,7 +169,7 @@ l_g(char *buf, double n)
 			}
 		}
  f__ret:
-	return b - buf;
+	return (int) (b - buf);
 #endif
 	}
 
diff --git a/ext/f2c_libs/open.c b/ext/f2c_libs/open.c
index 6e3def121..16594690c 100644
--- a/ext/f2c_libs/open.c
+++ b/ext/f2c_libs/open.c
@@ -286,7 +286,7 @@ fk_open(int seq, int fmt, ftnint n)
 	a.oerr=1;
 	a.ounit=n;
 	a.ofnm=nbuf;
-	a.ofnmlen=strlen(nbuf);
+	a.ofnmlen= (ftnlen) strlen(nbuf);
 	a.osta=NULL;
 	a.oacc= (char*)(seq==SEQ?"s":"d");
 	a.ofm = (char*)(fmt==FMT?"f":"u");
diff --git a/ext/f2c_libs/pow_ci.c b/ext/f2c_libs/pow_ci.c
index 574e0b1eb..070622236 100644
--- a/ext/f2c_libs/pow_ci.c
+++ b/ext/f2c_libs/pow_ci.c
@@ -18,8 +18,8 @@ a1.i = a->i;
 
 pow_zi(&p1, &a1, b);
 
-p->r = p1.r;
-p->i = p1.i;
+p->r = (real) p1.r;
+p->i = (real) p1.i;
 }
 #ifdef __cplusplus
 }
diff --git a/ext/f2c_libs/rdfmt.c b/ext/f2c_libs/rdfmt.c
index 62b280534..817d379b9 100644
--- a/ext/f2c_libs/rdfmt.c
+++ b/ext/f2c_libs/rdfmt.c
@@ -64,8 +64,8 @@ rd_Z(Uint *n, int w, ftnlen len)
 	if (bad)
 		return errno = 115;
 	w = (int)len;
-	w1 = s - s0;
-	w2 = w1+1 >> 1;
+	w1 = (int) (s - s0);
+	w2 = (w1+1) >> 1;
 	t = (char *)n;
 	if (*(char *)&one) {
 		/* little endian */
@@ -87,7 +87,7 @@ rd_Z(Uint *n, int w, ftnlen len)
 		t += i;
 		}
 	do {
-		*t = hex[*s0 & 0xff]-1 << 4 | hex[s0[1] & 0xff]-1;
+		*t = (hex[*s0 & 0xff]-1) << 4 | hex[s0[1] & 0xff]-1;
 		t += i;
 		s0 += 2;
 		}
@@ -383,7 +383,7 @@ done:
 		}
 zero:
 	if (len == sizeof(real))
-		p->pf = x;
+		p->pf = (real) x;
 	else
 		p->pd = x;
 	return(0);
diff --git a/ext/f2c_libs/wref.c b/ext/f2c_libs/wref.c
index f2074b75e..a9ecec70a 100644
--- a/ext/f2c_libs/wref.c
+++ b/ext/f2c_libs/wref.c
@@ -96,7 +96,7 @@ nogood:
 			case 'N':
 				signspace = 0;	/* no sign for NaNs */
 			}
-		delta = w - strlen(buf) - signspace;
+		delta = w - (int) strlen(buf) - signspace;
 		if (delta < 0)
 			goto nogood;
 		while(--delta >= 0)
diff --git a/ext/f2c_libs/wrtfmt.c b/ext/f2c_libs/wrtfmt.c
index a970db959..8fef6763b 100644
--- a/ext/f2c_libs/wrtfmt.c
+++ b/ext/f2c_libs/wrtfmt.c
@@ -93,7 +93,7 @@ wrt_Z(Uint *n, int w, int minlen, ftnlen len)
 	for(;; s += i)
 		if (s == se || *s)
 			break;
-	w1 = (i*(se-s) << 1) + 1;
+	w1 = (int) (i*(se-s) << 1) + 1;
 	if (*s & 0xf0)
 		w1++;
 	if (w1 > w)
diff --git a/ext/f2c_math/ddaspk.c b/ext/f2c_math/ddaspk.c
index 44ffb2319..052eb72cd 100644
--- a/ext/f2c_math/ddaspk.c
+++ b/ext/f2c_math/ddaspk.c
@@ -8561,7 +8561,7 @@ L30:
 	}
 	i__2 = km1;
 	for (j = 1; j <= i__2; ++j) {
-	    i__ = (j - 1 << 1) + 1;
+	    i__ = ((j - 1) << 1) + 1;
 	    t1 = a[j + k * a_dim1];
 	    t2 = a[j + 1 + k * a_dim1];
 	    c__ = q[i__];
@@ -8617,7 +8617,7 @@ L70:
 /* ----------------------------------------------------------------------- */
     i__1 = nm1;
     for (k = 1; k <= i__1; ++k) {
-	i__ = (k - 1 << 1) + 1;
+	i__ = ((k - 1) << 1) + 1;
 	t1 = a[k + *n * a_dim1];
 	t2 = a[k + 1 + *n * a_dim1];
 	c__ = q[i__];
@@ -8745,7 +8745,7 @@ L130:
     i__1 = *n;
     for (k = 1; k <= i__1; ++k) {
 	kp1 = k + 1;
-	iq = (k - 1 << 1) + 1;
+	iq = ((k - 1) << 1) + 1;
 	c__ = q[iq];
 	s = q[iq + 1];
 	t1 = b[k];
diff --git a/ext/f2c_math/j4save.c b/ext/f2c_math/j4save.c
index 733e9e848..db219b885 100644
--- a/ext/f2c_math/j4save.c
+++ b/ext/f2c_math/j4save.c
@@ -69,7 +69,7 @@ integer j4save_(integer *iwhich, integer *ivalue, logical *iset)
 /* ***END PROLOGUE  J4SAVE */
 /*      SAVE IPARAM */
 /* ***FIRST EXECUTABLE STATEMENT  J4SAVE */
-    ret_val = iparam[(0 + (0 + (*iwhich - 1 << 2))) / 4];
+    ret_val = iparam[(0 + (0 + ((*iwhich - 1) << 2))) / 4];
     if (*iset) {
 	iparam[*iwhich - 1] = *ivalue;
     }
diff --git a/ext/f2c_math/polfit.c b/ext/f2c_math/polfit.c
index a3faea6a7..85ddb2018 100644
--- a/ext/f2c_math/polfit.c
+++ b/ext/f2c_math/polfit.c
@@ -174,7 +174,7 @@
 	k3 = 0;
 	k4 = 0;
 	k5 = 0;
-	etst = 1.0E-13;
+	etst = 1.0E-13f;
 	xm = 1.0;
 
     /* Function Body */
@@ -230,7 +230,7 @@ L16:
 	temd1 += (doublereal) x[i__] * (doublereal) w[i__] * temd2 * temd2;
 /* L18: */
     }
-    a[jp1] = temd1 / (doublereal) w11;
+    a[jp1] = (real) (temd1 / w11);
 
 /* EVALUATE ORTHOGONAL POLYNOMIAL AT DATA POINTS */
 
@@ -263,7 +263,7 @@ L16:
 	temd1 += temd2;
     }
     temd1 /= (doublereal) w11;
-    a[k2pj + 1] = temd1;
+    a[k2pj + 1] = (real) temd1;
 
 /* UPDATE POLYNOMIAL EVALUATIONS AT EACH OF THE DATA POINTS, AND */
 /* ACCUMULATE SUM OF SQUARES OF ERRORS.  THE POLYNOMIAL EVALUATIONS ARE */
@@ -278,8 +278,8 @@ L16:
 	k5pi = k5 + i__;
 	temd2 = (doublereal) r__[i__] + (doublereal) a[k5pi] + temd1 * (
 		doublereal) a[k4pi];
-	r__[i__] = temd2;
-	a[k5pi] = temd2 - (doublereal) r__[i__];
+	r__[i__] = (real) temd2;
+	a[k5pi] = (real) (temd2 - r__[i__]);
 /* L21: */
 /* Computing 2nd power */
 	r__1 = y[i__] - r__[i__] - a[k5pi];
@@ -397,7 +397,7 @@ L33:
 /* L35: */
     }
 L36:
-    *eps = sqrt(sig / xm);
+    *eps = (real) sqrt(sig / xm);
 L37:
     return 0;
 } /* polfit_ */
diff --git a/ext/f2c_math/pvalue.c b/ext/f2c_math/pvalue.c
index 1afe90937..cab59d9d3 100644
--- a/ext/f2c_math/pvalue.c
+++ b/ext/f2c_math/pvalue.c
@@ -87,11 +87,11 @@
     }
     ndo = max(*nder,0);
     ndo = min(ndo,*l);
-    maxord = a[1] + .5f;
+    maxord = (integer) (a[1] + .5f);
     k1 = maxord + 1;
     k2 = k1 + maxord;
     k3 = k2 + maxord + 2;
-    nord = a[k3] + .5f;
+    nord = (integer) (a[k3] + .5f);
     if (*l > nord) {
 	goto L11;
     }
diff --git a/ext/f2c_math/xersve.c b/ext/f2c_math/xersve.c
index 3c93c4161..4967c5a3e 100644
--- a/ext/f2c_math/xersve.c
+++ b/ext/f2c_math/xersve.c
@@ -143,8 +143,8 @@ static integer c__1 = 1;
 	    for (i__ = 1; i__ <= i__2; ++i__) {
 		io___9.ciunit = iunit;
 		s_wsfe(&io___9);
-		do_fio(&c__1, libtab + (i__ - 1 << 3), (ftnlen)8);
-		do_fio(&c__1, subtab + (i__ - 1 << 3), (ftnlen)8);
+		do_fio(&c__1, libtab + ((i__ - 1) << 3), (ftnlen)8);
+		do_fio(&c__1, subtab + ((i__ - 1) << 3), (ftnlen)8);
 		do_fio(&c__1, mestab + (i__ - 1) * 20, (ftnlen)20);
 		do_fio(&c__1, (char *)&nertab[i__ - 1], (ftnlen)sizeof(
 			integer));
@@ -187,8 +187,8 @@ static integer c__1 = 1;
 	s_copy(mes, messg, (ftnlen)20, messg_len);
 	i__1 = nmsg;
 	for (i__ = 1; i__ <= i__1; ++i__) {
-	    if (s_cmp(lib, libtab + (i__ - 1 << 3), (ftnlen)8, (ftnlen)8) == 
-		    0 && s_cmp(sub, subtab + (i__ - 1 << 3), (ftnlen)8, (
+	    if (s_cmp(lib, libtab + ((i__ - 1) << 3), (ftnlen)8, (ftnlen)8) ==
+		    0 && s_cmp(sub, subtab + ((i__ - 1) << 3), (ftnlen)8, (
 		    ftnlen)8) == 0 && s_cmp(mes, mestab + (i__ - 1) * 20, (
 		    ftnlen)20, (ftnlen)20) == 0 && *nerr == nertab[i__ - 1] &&
 		     *level == levtab[i__ - 1]) {
@@ -204,8 +204,8 @@ static integer c__1 = 1;
 /*           Empty slot found for new message. */
 
 	    ++nmsg;
-	    s_copy(libtab + (i__ - 1 << 3), lib, (ftnlen)8, (ftnlen)8);
-	    s_copy(subtab + (i__ - 1 << 3), sub, (ftnlen)8, (ftnlen)8);
+	    s_copy(libtab + ((i__ - 1) << 3), lib, (ftnlen)8, (ftnlen)8);
+	    s_copy(subtab + ((i__ - 1) << 3), sub, (ftnlen)8, (ftnlen)8);
 	    s_copy(mestab + (i__ - 1) * 20, mes, (ftnlen)20, (ftnlen)20);
 	    nertab[i__ - 1] = *nerr;
 	    levtab[i__ - 1] = *level;