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authorKarl Berry <karl@freefriends.org>2012-05-18 00:35:36 +0000
committerKarl Berry <karl@freefriends.org>2012-05-18 00:35:36 +0000
commitff3def13189580da6fe5254355c8f3b8091bb0fb (patch)
tree13092e119e26dd5354f66cf3746dd0a0cbdd8cb2 /Build/source/utils/pmx/pmx-2.6.18/libf2c/r_mod.c
parent2721345a8954f1846ff48ba10e634bc65e7b954d (diff)
pmx 2.6.18 (16may12)
git-svn-id: svn://tug.org/texlive/trunk@26478 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/utils/pmx/pmx-2.6.18/libf2c/r_mod.c')
-rw-r--r--Build/source/utils/pmx/pmx-2.6.18/libf2c/r_mod.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/Build/source/utils/pmx/pmx-2.6.18/libf2c/r_mod.c b/Build/source/utils/pmx/pmx-2.6.18/libf2c/r_mod.c
new file mode 100644
index 00000000000..63ed1753689
--- /dev/null
+++ b/Build/source/utils/pmx/pmx-2.6.18/libf2c/r_mod.c
@@ -0,0 +1,46 @@
+#include "f2c.h"
+
+#ifdef KR_headers
+#ifdef IEEE_drem
+double drem();
+#else
+double floor();
+#endif
+double r_mod(x,y) real *x, *y;
+#else
+#ifdef IEEE_drem
+double drem(double, double);
+#else
+#undef abs
+#include "math.h"
+#ifdef __cplusplus
+extern "C" {
+#endif
+#endif
+double r_mod(real *x, real *y)
+#endif
+{
+#ifdef IEEE_drem
+ double xa, ya, z;
+ if ((ya = *y) < 0.)
+ ya = -ya;
+ z = drem(xa = *x, ya);
+ if (xa > 0) {
+ if (z < 0)
+ z += ya;
+ }
+ else if (z > 0)
+ z -= ya;
+ return z;
+#else
+ double quotient;
+ if( (quotient = (double)*x / *y) >= 0)
+ quotient = floor(quotient);
+ else
+ quotient = -floor(-quotient);
+ return(*x - (*y) * quotient );
+#endif
+}
+#ifdef __cplusplus
+}
+#endif